CVE catalog

CVE-2017-11742

expat: CVE-2017-11742

Severity: Low
Source: [NVD] · [CVE record]
EPSS: 0.46% · Oct 27, 2026

The writeRandomBytes_RtlGenRandom function in xmlparse.c in libexpat in Expat 2.2.1 and 2.2.2 on Windows allows local users to gain privileges via a Trojan horse ADVAPI32.DLL in the current working directory because of an untrusted search path, aka DLL hijacking.

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	expat	sid	`2.9.0-1`	not affected
Debian	expat	forky	`2.9.0-1`	not affected
Debian	expat	trixie	`2.8.3-1~deb13u1`	not affected
Debian	expat	trixie-security	`2.9.0-1~deb13u1`	not affected
Debian	expat	bookworm	`2.5.0-1+deb12u2`	not affected
Debian	expat	bookworm-security	`2.5.0-1+deb12u5`	not affected
Debian	libxmltok	bookworm	`1.2-4`	not affected

Fixed-version evidence

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

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[expat]Unknown
Details (4)
- 2.5.0-1+deb12u2 · amd64 · bookworm
  Not affected
  dsa · expat · debian · bookworm
- 2.5.0-1+deb12u2 · arm64 · bookworm
  Not affected
  dsa · expat · debian · bookworm
- 2.5.0-1+deb12u3 · amd64 · bookworm-security
  Not affected
  dsa · expat · debian · bookworm
- 2.5.0-1+deb12u3 · arm64 · bookworm-security
  Not affected
  dsa · expat · debian · bookworm
[libexpat1]Unknown
Source package: [expat]
Details (4)
- 2.5.0-1+deb12u2 · amd64 · bookworm
  Not affected
  dsa · expat · debian · bookworm
- 2.5.0-1+deb12u2 · arm64 · bookworm
  Not affected
  dsa · expat · debian · bookworm
- 2.5.0-1+deb12u3 · amd64 · bookworm-security
  Not affected
  dsa · expat · debian · bookworm
- 2.5.0-1+deb12u3 · arm64 · bookworm-security
  Not affected
  dsa · expat · debian · bookworm
[libexpat1-dev]Unknown
Source package: [expat]
Details (4)
- 2.5.0-1+deb12u2 · amd64 · bookworm
  Not affected
  dsa · expat · debian · bookworm
- 2.5.0-1+deb12u2 · arm64 · bookworm
  Not affected
  dsa · expat · debian · bookworm
- 2.5.0-1+deb12u3 · amd64 · bookworm-security
  Not affected
  dsa · expat · debian · bookworm
- 2.5.0-1+deb12u3 · arm64 · bookworm-security
  Not affected
  dsa · expat · debian · bookworm
[libxmltok1]Unknown
Source package: [libxmltok]
Details (2)
- 1.2-4 · amd64 · bookworm
  Not affected
  dsa · libxmltok · debian · bookworm
- 1.2-4 · arm64 · bookworm
  Not affected
  dsa · libxmltok · debian · bookworm
[libxmltok1-dev]Unknown
Source package: [libxmltok]
Details (2)
- 1.2-4 · amd64 · bookworm
  Not affected
  dsa · libxmltok · debian · bookworm
- 1.2-4 · arm64 · bookworm
  Not affected
  dsa · libxmltok · debian · bookworm

Observed: Oct 23, 2026, 5:25:54 PM UTC

References

[https://security-tracker.debian.org/tracker/CVE-2017-11742]

[Debian Security Tracker] · [FIRST EPSS]