CVE-2026-1761 (GCVE-0-2026-1761)

Vulnerability from cvelistv5 – Published: 2026-02-02 14:01 – Updated: 2026-02-17 18:23
VLAI?
Title
Libsoup: stack-based buffer overflow in libsoup multipart response parsingmultipart http response
Summary
A flaw was found in libsoup. This stack-based buffer overflow vulnerability occurs during the parsing of multipart HTTP responses due to an incorrect length calculation. A remote attacker can exploit this by sending a specially crafted multipart HTTP response, which can lead to memory corruption. This issue may result in application crashes or arbitrary code execution in applications that process untrusted server responses, and it does not require authentication or user interaction.
Severity ?
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
https://access.redhat.com/errata/RHSA-2026:1948 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2005 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2006 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2007 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2008 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2049 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2182 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2214 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2215 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2216 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2396 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2402 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2410 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2512 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2513 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2514 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2528 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2529 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2628 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:2844 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-1761 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2435961 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:3.6.5-3.el10_1.9 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.1
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:3.6.5-3.el10_1.10 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.1
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 0:3.6.5-3.el10_0.14 , < * (rpm)
    cpe:/o:redhat:enterprise_linux_eus:10.0
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 0:2.62.2-11.el7_9 , < * (rpm)
    cpe:/o:redhat:rhel_els:7
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:8.10-7 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.62.3-13.el8_10 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
    cpe:/a:redhat:enterprise_linux:8::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.62.3-13.el8_10 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
    cpe:/a:redhat:enterprise_linux:8::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 0:2.62.3-1.el8_2.8 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/o:redhat:rhel_aus:8.2::baseos
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 0:8.10-7.el8_2.1 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.2::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:2.62.3-2.el8_4.8 , < * (rpm)
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/o:redhat:rhel_aus:8.4::baseos
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:8.10-7.el8_4.1 , < * (rpm)
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 0:2.62.3-2.el8_4.8 , < * (rpm)
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/o:redhat:rhel_aus:8.4::baseos
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 0:8.10-7.el8_4.1 , < * (rpm)
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:2.62.3-2.el8_6.8 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/a:redhat:rhel_aus:8.6::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:8.10-7.el8_6.1 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service Unaffected: 0:2.62.3-2.el8_6.8 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/a:redhat:rhel_aus:8.6::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service Unaffected: 0:8.10-7.el8_6.1 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Unaffected: 0:2.62.3-2.el8_6.8 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/a:redhat:rhel_aus:8.6::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Unaffected: 0:8.10-7.el8_6.1 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 0:2.62.3-3.el8_8.8 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/a:redhat:rhel_e4s:8.8::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 0:8.10-7.el8_8.1 , < * (rpm)
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/a:redhat:rhel_e4s:8.8::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 0:2.62.3-3.el8_8.8 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/a:redhat:rhel_e4s:8.8::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 0:8.10-7.el8_8.1 , < * (rpm)
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/a:redhat:rhel_e4s:8.8::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.72.0-12.el9_7.5 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Unaffected: 0:2.72.0-8.el9_0.9 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.0::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:2.72.0-8.el9_2.10 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.2::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:2.72.0-8.el9_4.9 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.4::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Unaffected: 0:2.72.0-10.el9_6.6 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.6::appstream
 Create a notification for this product.
    Red Hat Red Hat OpenShift Dev Spaces (RHOSDS) 3.26 Unaffected: sha256:619c10386e0224e5228876a434c5b8d78d251bc383e2a9491503d6ceddd33c96 , < * (rpm)
    cpe:/a:redhat:openshift_devspaces:3.26::el9
 Create a notification for this product.
    Red Hat Red Hat OpenShift Dev Spaces (RHOSDS) 3.26 Unaffected: sha256:48d31aa446fe1033ad770ed74442053bcee5102035a9c618fb81cde1743a9692 , < * (rpm)
    cpe:/a:redhat:openshift_devspaces:3.26::el9
 Create a notification for this product.
    Red Hat Red Hat OpenShift Dev Spaces (RHOSDS) 3.26 Unaffected: sha256:bb9f0ee4fa785a4c3d4a3f6f5e177f4a41350ccef40bc53bfeedee2d52061472 , < * (rpm)
    cpe:/a:redhat:openshift_devspaces:3.26::el9
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
Credits
Red Hat would like to thank Naoki Wakamatsu for reporting this issue.
Show details on NVD website
To clipboard 

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              "version": "0:2.62.2-11.el7_9",
              "versionType": "rpm"
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        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:8::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "spice-client-win",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat",
          "versions": [
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              "versionType": "rpm"
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          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:8::baseos",
            "cpe:/a:redhat:enterprise_linux:8::appstream"
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          "packageName": "libsoup",
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          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:8::baseos",
            "cpe:/a:redhat:enterprise_linux:8::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "libsoup",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:2.62.3-13.el8_10",
              "versionType": "rpm"
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        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_aus:8.2::appstream",
            "cpe:/o:redhat:rhel_aus:8.2::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "libsoup",
          "product": "Red Hat Enterprise Linux 8.2 Advanced Update Support",
          "vendor": "Red Hat",
          "versions": [
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              "version": "0:2.62.3-1.el8_2.8",
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          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:rhel_eus_long_life:8.4::baseos",
            "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream",
            "cpe:/a:redhat:rhel_aus:8.4::appstream",
            "cpe:/o:redhat:rhel_aus:8.4::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "libsoup",
          "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
          "versions": [
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              "lessThan": "*",
              "status": "unaffected",
              "version": "0:2.62.3-2.el8_4.8",
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          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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            "cpe:/a:redhat:rhel_aus:8.4::appstream"
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            "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream",
            "cpe:/a:redhat:rhel_aus:8.4::appstream",
            "cpe:/o:redhat:rhel_aus:8.4::baseos"
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          "packageName": "libsoup",
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          "versions": [
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        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
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            "cpe:/a:redhat:rhel_aus:8.4::appstream"
          ],
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          "packageName": "spice-client-win",
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          "versions": [
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              "lessThan": "*",
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              "version": "0:8.10-7.el8_4.1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_e4s:8.6::appstream",
            "cpe:/o:redhat:rhel_tus:8.6::baseos",
            "cpe:/o:redhat:rhel_e4s:8.6::baseos",
            "cpe:/a:redhat:rhel_tus:8.6::appstream",
            "cpe:/o:redhat:rhel_aus:8.6::baseos",
            "cpe:/a:redhat:rhel_aus:8.6::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "libsoup",
          "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:2.62.3-2.el8_6.8",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
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            "cpe:/a:redhat:rhel_e4s:8.6::appstream"
          ],
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          "packageName": "spice-client-win",
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should be configured to only communicate with trusted endpoints. Implement network egress filtering to restrict vulnerable applications from connecting to untrusted external services, thereby reducing the exposure to specially crafted multipart HTTP responses.\"}], \"x_generator\": {\"engine\": \"cvelib 1.8.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A flaw was found in libsoup. This stack-based buffer overflow vulnerability occurs during the parsing of multipart HTTP responses due to an incorrect length calculation. A remote attacker can exploit this by sending a specially crafted multipart HTTP response, which can lead to memory corruption. This issue may result in application crashes or arbitrary code execution in applications that process untrusted server responses, and it does not require authentication or user interaction.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-121\", \"description\": \"Stack-based Buffer Overflow\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2026-02-17T18:23:08.912Z\"}, \"x_redhatCweChain\": \"CWE-121: Stack-based Buffer Overflow\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-1761\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-17T18:23:08.912Z\", \"dateReserved\": \"2026-02-02T12:54:30.233Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2026-02-02T14:01:03.802Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.