CVE catalog

CVE-2013-4520

libxslt: CVE-2013-4520

Severity: Low
Published: Jun 29, 2023, 10:00:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 2.29% · Oct 25, 2026

xslt.c in libxslt before 1.1.25 allows context-dependent attackers to cause a denial of service (crash) via a stylesheet that embeds a DTD, which causes a structure to be accessed as a different type. NOTE: this issue is due to an incomplete fix for CVE-2012-2825.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	libxslt	sid	`1.1.45-0.1`	not affected
Debian	libxslt	forky	`1.1.45-0.1`	not affected
Debian	libxslt	trixie	`1.1.35-1.2+deb13u3`	not affected
Debian	libxslt	trixie-security	`1.1.35-1.2+deb13u2`	not affected
Debian	libxslt	bookworm	`1.1.35-1+deb12u4`	not affected
Debian	libxslt	bookworm-security	`1.1.35-1+deb12u3`	not affected

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	libxslt	source	sid	`Not affected`	unimportant	Not reported	Not reported
Debian	libxslt	source	forky	`Not affected`	unimportant	Not reported	Not reported
Debian	libxslt	source	trixie	`Not affected`	unimportant	Not reported	Not reported
Debian	libxslt	source	bookworm	`Not affected`	unimportant	Not reported	Not reported

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[libxslt1.1]Unknown
Source package: [libxslt]
Details (4)
- 1.1.35-1+deb12u4 · amd64 · bookworm
  Not affected
  dsa · libxslt · debian · bookworm
- 1.1.35-1+deb12u4 · arm64 · bookworm
  Not affected
  dsa · libxslt · debian · bookworm
- 1.1.35-1+deb12u3 · amd64 · bookworm-security
  Not affected
  dsa · libxslt · debian · bookworm
- 1.1.35-1+deb12u3 · arm64 · bookworm-security
  Not affected
  dsa · libxslt · debian · bookworm
[libxslt1-dev]Unknown
Source package: [libxslt]
Details (4)
- 1.1.35-1+deb12u4 · amd64 · bookworm
  Not affected
  dsa · libxslt · debian · bookworm
- 1.1.35-1+deb12u4 · arm64 · bookworm
  Not affected
  dsa · libxslt · debian · bookworm
- 1.1.35-1+deb12u3 · amd64 · bookworm-security
  Not affected
  dsa · libxslt · debian · bookworm
- 1.1.35-1+deb12u3 · arm64 · bookworm-security
  Not affected
  dsa · libxslt · debian · bookworm
[xsltproc]Unknown
Source package: [libxslt]
Details (4)
- 1.1.35-1+deb12u4 · amd64 · bookworm
  Not affected
  dsa · libxslt · debian · bookworm
- 1.1.35-1+deb12u4 · arm64 · bookworm
  Not affected
  dsa · libxslt · debian · bookworm
- 1.1.35-1+deb12u3 · amd64 · bookworm-security
  Not affected
  dsa · libxslt · debian · bookworm
- 1.1.35-1+deb12u3 · arm64 · bookworm-security
  Not affected
  dsa · libxslt · debian · bookworm

Observed: Oct 23, 2026, 5:08:48 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS]