Debian Advisory DSA-5979-1 Addresses libxslt Critical Info Disclosure Issue
debian
August 19, 2025
Two vunlerabilities were found in libxslt, the XSLT 1.0 processing library, which may lead to information disclosure and DoS attack
Topics Covered
Summary
CVE-2023-40403
Information disclosure with weak memory handling of generated-id()
CVE-2025-7424
Type confusion in xmlNode.psvi between stylesheet and source nodes,
which may allow an attacker to crash the application or corrupt memory.
For the oldstable distribution (bookworm), these problems have been fixed
in version 1.1.35-1+deb12u2.
For the stable distribution (trixie), these problems have been fixed in
version 1.1.35-1.2+deb13u1.
We recommend that you upgrade your libxslt packages.
For the detailed security status of libxslt please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/libxslt
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
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Package: libxslt
CVE ID: CVE-2023-40403 CVE-2025-7424
Topics Covered
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