Vulnerability-Lookup

alsa-2025:22175

Vulnerability from osv_almalinux

Published

2025-11-26 00:00

Modified

2025-12-03 12:07

Summary

Important: expat security update

Details

Expat is a C library for parsing XML documents.

Security Fix(es):

expat: libexpat in Expat allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing (CVE-2025-59375)

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

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "expat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.5.0-5.el9_7.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "expat-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.5.0-5.el9_7.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Expat is a C library for parsing XML documents.  \n\nSecurity Fix(es):  \n\n  * expat: libexpat in Expat allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing (CVE-2025-59375)\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-2025:22175",
  "modified": "2025-12-03T12:07:34Z",
  "published": "2025-11-26T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:22175"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-59375"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2395108"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/9/ALSA-2025-22175.html"
    }
  ],
  "related": [
    "CVE-2025-59375"
  ],
  "summary": "Important: expat security update"
}

CVE-2025-59375 (GCVE-0-2025-59375)

Vulnerability from cvelistv5 – Published: 2025-09-15 00:00 – Updated: 2025-11-04 21:13

Summary

libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.

Severity ?

7.5 (High)


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

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

mitre

References

URL

Tags

	https://github.com/libexpat/libexpat/issues/1018
	https://github.com/libexpat/libexpat/pull/1034
	https://github.com/libexpat/libexpat/blob/676a4c5…
	https://issues.oss-fuzz.com/issues/439133977
	https://github.com/libexpat/libexpat/blob/R_2_7_2…

Impacted products

	Vendor	Product	Version
	libexpat project	libexpat	Affected: 0 , < 2.7.2 (semver)

Show details on NVD website

JSON

To clipboard

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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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