Vulnerability-Lookup

alsa-2025:17162

Vulnerability from osv_almalinux

Published

2025-10-01 00:00

Modified

2025-10-20 12:33

Summary

Moderate: perl-JSON-XS security update

Details

This module converts Perl data structures to JSON and vice versa. Its primary goal is to be correct and its secondary goal is to be fast. To reach the latter goal it was written in C.

Security Fix(es):

JSON-XS: integer buffer overflow causing a segfault when parsing crafted JSON (CVE-2025-40928)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "perl-JSON-XS"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:4.04-1.el9_6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "This module converts Perl data structures to JSON and vice versa. Its primary goal is to be correct and its secondary goal is to be fast. To reach the latter goal it was written in C.  \n\nSecurity Fix(es):  \n\n  * JSON-XS: integer buffer overflow causing a segfault when parsing crafted JSON (CVE-2025-40928)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
  "id": "ALSA-2025:17162",
  "modified": "2025-10-20T12:33:11Z",
  "published": "2025-10-01T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:17162"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-40928"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2393878"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/9/ALSA-2025-17162.html"
    }
  ],
  "related": [
    "CVE-2025-40928"
  ],
  "summary": "Moderate: perl-JSON-XS security update"
}

CVE-2025-40928 (GCVE-0-2025-40928)

Vulnerability from cvelistv5 – Published: 2025-09-08 15:08 – Updated: 2025-11-04 21:10

Title

JSON::XS before version 4.04 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact

Summary

JSON::XS before version 4.04 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

CPANSec

References

URL

Tags

	https://metacpan.org/release/MLEHMANN/JSON-XS-4.0…	related
	https://security.metacpan.org/patches/J/JSON-XS/4…	patch

Impacted products

	Vendor	Product	Version
	MLEHMANN	JSON::XS	Affected: 0 , < 4.04 (custom)

Credits

Michael Hudak of rasotec

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-40928",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-09-08T15:52:04.063980Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-09-08T18:47:47.992Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T21:10:22.058Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/09/msg00033.html"
          },
          {
            "url": "http://www.openwall.com/lists/oss-security/2025/09/08/2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "JSON-XS",
          "product": "JSON::XS",
          "programFiles": [
            "XS.xs"
          ],
          "repo": "https://cvs.schmorp.de/JSON-XS/",
          "vendor": "MLEHMANN",
          "versions": [
            {
              "lessThan": "4.04",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Michael Hudak of rasotec"
        }
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          ],
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      "references": [
        {
          "tags": [
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          "url": "https://metacpan.org/release/MLEHMANN/JSON-XS-4.03/source/XS.xs#L256"
        },
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            "patch"
          ],
          "url": "https://security.metacpan.org/patches/J/JSON-XS/4.03/CVE-2025-40928-r1.patch"
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  "cveMetadata": {
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    "cveId": "CVE-2025-40928",
    "datePublished": "2025-09-08T15:08:21.860Z",
    "dateReserved": "2025-04-16T09:05:34.363Z",
    "dateUpdated": "2025-11-04T21:10:22.058Z",
    "state": "PUBLISHED"
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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.

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