Red Hat Security Advisory: libxml2 security update
A heap use-after-free vulnerability (CVE-2025-7425) exists in the libxslt component of the libxml2 library due to atype corruption in xmlAttrPtr. This vulnerability affects Red Hat Enterprise Linux 8. 2 AUS versions and related packages. Red Hat has issued a security advisory (RHSA-2025:13308) and released updated packages to address this issue. The vulnerability is rated as having an important security impact by Red Hat. No known exploits in the wild have been reported at this time.
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 atype corruption in the xmlAttrPtr structure (CVE-2025-7425). This vulnerability affects Red Hat Enterprise Linux 8.2 AUS and related packages. Red Hat Product Security has released an update to fix this issue, as detailed in advisory RHSA-2025:13308. The vulnerability is classified under CWE-416 (Use After Free). No CVSS score is provided in the advisory, but Red Hat rates the impact as important.
Potential Impact
The vulnerability allows for a heap use-after-free condition, which could potentially lead to memory corruption. This may result in application crashes or other unintended behavior when processing XML data using libxslt. The advisory does not report any known exploits in the wild. The impact is rated as important by Red Hat, indicating a significant security concern but not necessarily critical.
Mitigation Recommendations
Red Hat has released updated libxml2 packages that address this vulnerability. Users of affected Red Hat Enterprise Linux 8.2 AUS systems should apply the security update as described in Red Hat advisory RHSA-2025:13308 and the related article https://access.redhat.com/articles/11258. Applying these official patches is the recommended remediation. No additional mitigation steps are indicated or required by the vendor advisory.
Red Hat Security Advisory: libxml2 security update
Description
A heap use-after-free vulnerability (CVE-2025-7425) exists in the libxslt component of the libxml2 library due to atype corruption in xmlAttrPtr. This vulnerability affects Red Hat Enterprise Linux 8. 2 AUS versions and related packages. Red Hat has issued a security advisory (RHSA-2025:13308) and released updated packages to address this issue. The vulnerability is rated as having an important security impact by Red Hat. No known exploits in the wild have been reported at this time.
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 atype corruption in the xmlAttrPtr structure (CVE-2025-7425). This vulnerability affects Red Hat Enterprise Linux 8.2 AUS and related packages. Red Hat Product Security has released an update to fix this issue, as detailed in advisory RHSA-2025:13308. The vulnerability is classified under CWE-416 (Use After Free). No CVSS score is provided in the advisory, but Red Hat rates the impact as important.
Potential Impact
The vulnerability allows for a heap use-after-free condition, which could potentially lead to memory corruption. This may result in application crashes or other unintended behavior when processing XML data using libxslt. The advisory does not report any known exploits in the wild. The impact is rated as important by Red Hat, indicating a significant security concern but not necessarily critical.
Mitigation Recommendations
Red Hat has released updated libxml2 packages that address this vulnerability. Users of affected Red Hat Enterprise Linux 8.2 AUS systems should apply the security update as described in Red Hat advisory RHSA-2025:13308 and the related article https://access.redhat.com/articles/11258. Applying these official patches is the recommended remediation. No additional mitigation steps are indicated or required by the vendor advisory.
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
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a1f4e87e29bf47b5008036a
Added to database: 6/2/2026, 9:43:35 PM
Last enriched: 6/2/2026, 10:04:37 PM
Last updated: 6/3/2026, 5:07:38 AM
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.