Red Hat Security Advisory: libxml2 security update
The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fix(es): * libxslt: Heap Use-After-Free in libxslt caused by atype corruption in xmlAttrPtr (CVE-2025-7425) 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.
AI Analysis
Technical Summary
The libxml2 library, which implements various XML standards, contains a heap use-after-free vulnerability in its libxslt component caused by a type corruption in the xmlAttrPtr structure (CVE-2025-7425). This flaw can lead to memory corruption issues. Red Hat has issued security advisories and updated packages for Red Hat Enterprise Linux versions 7, 8, and 9 on multiple architectures including x86_64, s390x, ppc64le, and aarch64. The advisories provide updated libxml2 packages that fix this vulnerability.
Potential Impact
The vulnerability allows for heap use-after-free conditions which can cause memory corruption. This may lead to application crashes or potentially allow an attacker to execute arbitrary code or cause denial of service depending on the context in which libxslt is used. Red Hat rates the security impact as Important (high). No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released official security updates that address this vulnerability. Users should apply the provided libxml2 package updates for their respective Red Hat Enterprise Linux versions and architectures as detailed in the Red Hat advisories RHSA-2025:12450 and RHSA-2025:12447. Refer to https://access.redhat.com/articles/11258 for update instructions. No additional mitigation is required beyond applying these official patches.
Red Hat Security Advisory: libxml2 security update
Description
The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fix(es): * libxslt: Heap Use-After-Free in libxslt caused by atype corruption in xmlAttrPtr (CVE-2025-7425) 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.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The libxml2 library, which implements various XML standards, contains a heap use-after-free vulnerability in its libxslt component caused by a type corruption in the xmlAttrPtr structure (CVE-2025-7425). This flaw can lead to memory corruption issues. Red Hat has issued security advisories and updated packages for Red Hat Enterprise Linux versions 7, 8, and 9 on multiple architectures including x86_64, s390x, ppc64le, and aarch64. The advisories provide updated libxml2 packages that fix this vulnerability.
Potential Impact
The vulnerability allows for heap use-after-free conditions which can cause memory corruption. This may lead to application crashes or potentially allow an attacker to execute arbitrary code or cause denial of service depending on the context in which libxslt is used. Red Hat rates the security impact as Important (high). No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released official security updates that address this vulnerability. Users should apply the provided libxml2 package updates for their respective Red Hat Enterprise Linux versions and architectures as detailed in the Red Hat advisories RHSA-2025:12450 and RHSA-2025:12447. Refer to https://access.redhat.com/articles/11258 for update instructions. No additional mitigation is required beyond applying these official patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:13308
- Cve Count
- 1
- State
- PUBLISHED
Threat ID: 6a1f4e87e29bf47b5008036a
Added to database: 06/02/2026, 21:43:35 UTC
Last enriched: 08/16/2026, 16:56:07 UTC
Last updated: 09/10/2026, 19:42:38 UTC
Views: 66
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