CVE-2025-7425
Libxslt: libxml2: heap use-after-free in libxslt caused by atype corruption in xmlattrptr
At a glance
- Severity
- HIGH 7.8
- EPSS
- EPSS 0.44 % · percentile 38 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Deferred
Description
A flaw was found in libxslt where the attribute type, atype, flags are modified in a way that corrupts internal memory management. When XSLT functions, such as the key() process, result in tree fragments, this corruption prevents the proper cleanup of ID attributes. As a result, the system may access freed memory, causing crashes or enabling attackers to trigger heap corruption.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H | redhat |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H | NVD · secalert@redhat.com (Secondary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2025-20998
- GCVE · GCVE-0-2025-7425
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0565 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0218 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0199 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0093 — Multiples vulnérabilités dans Tenable Network Monitor · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0069 — Multiples vulnérabilités dans Oracle Java SE · cert.ssi.gouv.fr
- CERTFR-2025-AVI-1114 — Multiples vulnérabilités dans Tenable Nessus · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0969 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0938 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0935 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0756 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0754 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0746 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0642 — Multiples vulnérabilités dans Apple Safari · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0640 — Multiples vulnérabilités dans les produits Apple · cert.ssi.gouv.fr
Affected products
References
- https://access.redhat.com/errata/RHBA-2025:12345
- https://access.redhat.com/errata/RHSA-2025:12447
- https://access.redhat.com/errata/RHSA-2025:12450
- https://access.redhat.com/errata/RHSA-2025:13267
- https://access.redhat.com/errata/RHSA-2025:13308
- https://access.redhat.com/errata/RHSA-2025:13309
- https://access.redhat.com/errata/RHSA-2025:13310
- https://access.redhat.com/errata/RHSA-2025:13311
- https://access.redhat.com/errata/RHSA-2025:13312
- https://access.redhat.com/errata/RHSA-2025:13313
- https://access.redhat.com/errata/RHSA-2025:13314
- https://access.redhat.com/errata/RHSA-2025:13335
- https://access.redhat.com/errata/RHSA-2025:13464
- https://access.redhat.com/errata/RHSA-2025:13622
- https://access.redhat.com/errata/RHSA-2025:14059
- https://access.redhat.com/errata/RHSA-2025:14396
- https://access.redhat.com/errata/RHSA-2025:14818
- https://access.redhat.com/errata/RHSA-2025:14819
- https://access.redhat.com/errata/RHSA-2025:14853
- https://access.redhat.com/errata/RHSA-2025:14858
- https://access.redhat.com/errata/RHSA-2025:15308
- https://access.redhat.com/errata/RHSA-2025:15672
- https://access.redhat.com/errata/RHSA-2025:15827
- https://access.redhat.com/errata/RHSA-2025:15828
- https://access.redhat.com/errata/RHSA-2025:18219
- https://access.redhat.com/errata/RHSA-2025:21885
- https://access.redhat.com/errata/RHSA-2025:21913
- https://access.redhat.com/errata/RHSA-2026:0934
- https://access.redhat.com/errata/RHSA-2026:11503
- https://access.redhat.com/security/cve/CVE-2025-7425
- https://bugzilla.redhat.com/show_bug.cgi?id=2379274
- https://gitlab.gnome.org/GNOME/libxslt/-/issues/140
- https://lists.debian.org/debian-lts-announce/2025/09/msg00035.html
- http://seclists.org/fulldisclosure/2025/Aug/0
- http://seclists.org/fulldisclosure/2025/Jul/37
- http://seclists.org/fulldisclosure/2025/Jul/35
- http://seclists.org/fulldisclosure/2025/Jul/32
- http://seclists.org/fulldisclosure/2025/Jul/30
- http://www.openwall.com/lists/oss-security/2025/07/11/2
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://cert-portal.siemens.com/productcert/html/ssa-577017.html
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |