CVE catalog

CVE-2017-8872

libxml2: CVE-2017-8872

Severity: Critical · CVSS 9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Published: Jan 1, 2017, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 2.31% · Oct 25, 2026

The htmlParseTryOrFinish function in HTMLparser.c in libxml2 2.9.4 allows attackers to cause a denial of service (buffer over-read) or information disclosure.

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	libxml2	sid	`2.15.4+dfsg-1`	fixed
Debian	libxml2	forky	`2.15.4+dfsg-1`	fixed
Debian	libxml2	trixie	`2.12.7+dfsg+really2.9.14-2.1+deb13u3`	fixed
Debian	libxml2	trixie-security	`2.12.7+dfsg+really2.9.14-2.1+deb13u1`	fixed
Debian	libxml2	bookworm	`2.9.14+dfsg-1.3~deb12u6`	fixed
Debian	libxml2	bookworm-security	`2.9.14+dfsg-1.3~deb12u4`	fixed
Ubuntu	libxml2	pro	`2.9.2+zdfsg1-4`	vulnerable
Ubuntu	libxml2	pro	`2.9.2+zdfsg1-4ubuntu1`	vulnerable
Ubuntu	libxml2	pro	`2.9.2+zdfsg1-4ubuntu2`	vulnerable
Ubuntu	libxml2	pro	`2.9.2+zdfsg1-4ubuntu3`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1ubuntu0.1`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1ubuntu0.2`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1ubuntu0.3`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1ubuntu0.4`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1ubuntu0.5`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1ubuntu0.6`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1ubuntu0.7`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1ubuntu0.7+esm1`	fixed
Ubuntu	libxml2	18.04	`2.9.4+dfsg1-4ubuntu1`	vulnerable
Ubuntu	libxml2	18.04	`2.9.4+dfsg1-5ubuntu1`	vulnerable
Ubuntu	libxml2	18.04	`2.9.4+dfsg1-5ubuntu2`	vulnerable
Ubuntu	libxml2	18.04	`2.9.4+dfsg1-5.1ubuntu1`	vulnerable
Ubuntu	libxml2	18.04	`2.9.4+dfsg1-5.2ubuntu1`	vulnerable
Ubuntu	libxml2	18.04	`2.9.4+dfsg1-6.1ubuntu1`	vulnerable
Ubuntu	libxml2	18.04	`2.9.4+dfsg1-6.1ubuntu1.2`	vulnerable
Ubuntu	libxml2	18.04	`2.9.4+dfsg1-6.1ubuntu1.3`	vulnerable
Ubuntu	libxml2	18.04	`2.9.4+dfsg1-6.1ubuntu1.4`	fixed
Ubuntu	libxml2	20.04	`2.9.4+dfsg1-7ubuntu3`	vulnerable
Ubuntu	libxml2	20.04	`2.9.4+dfsg1-7ubuntu5`	vulnerable
Ubuntu	libxml2	20.04	`2.9.4+dfsg1-8ubuntu1`	vulnerable
Ubuntu	libxml2	20.04	`2.9.4+dfsg1-8ubuntu2`	vulnerable
Ubuntu	libxml2	20.04	`2.9.4+dfsg1-8ubuntu3`	vulnerable
Ubuntu	libxml2	20.04	`2.9.10+dfsg-1ubuntu3`	vulnerable
Ubuntu	libxml2	20.04	`2.9.10+dfsg-4build1`	vulnerable
Ubuntu	libxml2	20.04	`2.9.10+dfsg-5`	vulnerable
Ubuntu	libxml2	20.04	`2.9.10+dfsg-5ubuntu0.20.04.1`	fixed
Ubuntu	libxml2	pro	`2.9.2+zdfsg1-4`	vulnerable
Ubuntu	libxml2	pro	`2.9.2+zdfsg1-4ubuntu1`	vulnerable
Ubuntu	libxml2	pro	`2.9.2+zdfsg1-4ubuntu2`	vulnerable
Ubuntu	libxml2	pro	`2.9.2+zdfsg1-4ubuntu3`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1ubuntu0.1`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1ubuntu0.2`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1ubuntu0.3`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1ubuntu0.4`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1ubuntu0.5`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1ubuntu0.6`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1ubuntu0.7`	vulnerable
Ubuntu	libxml2	pro	`2.9.3+dfsg1-1ubuntu0.7+esm1`	fixed
Ubuntu	libxml2	18.04	`2.9.4+dfsg1-4ubuntu1`	vulnerable
Ubuntu	libxml2	18.04	`2.9.4+dfsg1-5ubuntu1`	vulnerable
Ubuntu	libxml2	18.04	`2.9.4+dfsg1-5ubuntu2`	vulnerable
Ubuntu	libxml2	18.04	`2.9.4+dfsg1-5.1ubuntu1`	vulnerable
Ubuntu	libxml2	18.04	`2.9.4+dfsg1-5.2ubuntu1`	vulnerable
Ubuntu	libxml2	18.04	`2.9.4+dfsg1-6.1ubuntu1`	fixed
Suse	libxml2	linux enterprise software development kit 11 sp4	`2.7.6-0.77.3.2`	fixed
Suse	libxml2	linux enterprise server 11 sp4	`2.7.6-0.77.3.2`	fixed
Suse	libxml2-python	linux enterprise server 11 sp4	`2.7.6-0.77.3.5`	fixed
Suse	libxml2	linux enterprise server for sap applications 11 sp4	`2.7.6-0.77.3.2`	fixed
Suse	libxml2-python	linux enterprise server for sap applications 11 sp4	`2.7.6-0.77.3.5`	fixed
Suse	libxml2	linux enterprise desktop 12 sp2	`2.9.4-46.3.2`	fixed
Suse	python-libxml2	linux enterprise desktop 12 sp2	`2.9.4-46.3.2`	fixed
Suse	libxml2	linux enterprise desktop 12 sp3	`2.9.4-46.3.2`	fixed
Suse	python-libxml2	linux enterprise desktop 12 sp3	`2.9.4-46.3.2`	fixed
Suse	libxml2	linux enterprise server for raspberry pi 12 sp2	`2.9.4-46.3.2`	fixed
Suse	python-libxml2	linux enterprise server for raspberry pi 12 sp2	`2.9.4-46.3.2`	fixed
Suse	libxml2	linux enterprise software development kit 12 sp2	`2.9.4-46.3.2`	fixed
Suse	libxml2	linux enterprise software development kit 12 sp3	`2.9.4-46.3.2`	fixed
Suse	libxml2	linux enterprise server 12 sp2	`2.9.4-46.3.2`	fixed
Suse	python-libxml2	linux enterprise server 12 sp2	`2.9.4-46.3.2`	fixed
Suse	libxml2	linux enterprise server for sap applications 12 sp2	`2.9.4-46.3.2`	fixed
Suse	python-libxml2	linux enterprise server for sap applications 12 sp2	`2.9.4-46.3.2`	fixed
Suse	libxml2	linux enterprise server 12 sp3	`2.9.4-46.3.2`	fixed
Suse	python-libxml2	linux enterprise server 12 sp3	`2.9.4-46.3.2`	fixed
Suse	libxml2	linux enterprise server for sap applications 12 sp3	`2.9.4-46.3.2`	fixed
Suse	python-libxml2	linux enterprise server for sap applications 12 sp3	`2.9.4-46.3.2`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	libxml2	source	sid	`2.9.4+dfsg1-6.1`	not yet assigned	Not reported	[862450]
Debian	libxml2	source	forky	`2.9.4+dfsg1-6.1`	not yet assigned	Not reported	[862450]
Debian	libxml2	source	trixie	`2.9.4+dfsg1-6.1`	not yet assigned	Not reported	[862450]
Debian	libxml2	source	bookworm	`2.9.4+dfsg1-6.1`	not yet assigned	Not reported	[862450]
Ubuntu	libxml2	deb	pro	`2.9.3+dfsg1-1ubuntu0.7+esm1`	Not reported	USN-4991-1	Not reported
Ubuntu	libxml2	deb	18.04	`2.9.4+dfsg1-6.1ubuntu1.4`	Not reported	USN-4991-1	Not reported
Ubuntu	libxml2	deb	20.04	`2.9.10+dfsg-5ubuntu0.20.04.1`	Not reported	USN-4991-1	Not reported
Ubuntu	libxml2	deb	pro	`2.9.3+dfsg1-1ubuntu0.7+esm1`	Not reported	UBUNTU-CVE-2017-8872	Not reported
Ubuntu	libxml2	deb	18.04	`2.9.4+dfsg1-6.1ubuntu1`	Not reported	UBUNTU-CVE-2017-8872	Not reported
Suse	libxml2	rpm	linux enterprise software development kit 11 sp4	`2.7.6-0.77.3.2`	Not reported	SUSE-SU-2017:2115-1	Not reported
Suse	libxml2	rpm	linux enterprise server 11 sp4	`2.7.6-0.77.3.2`	Not reported	SUSE-SU-2017:2115-1	Not reported
Suse	libxml2-python	rpm	linux enterprise server 11 sp4	`2.7.6-0.77.3.5`	Not reported	SUSE-SU-2017:2115-1	Not reported
Suse	libxml2	rpm	linux enterprise server for sap applications 11 sp4	`2.7.6-0.77.3.2`	Not reported	SUSE-SU-2017:2115-1	Not reported
Suse	libxml2-python	rpm	linux enterprise server for sap applications 11 sp4	`2.7.6-0.77.3.5`	Not reported	SUSE-SU-2017:2115-1	Not reported
Suse	libxml2	rpm	linux enterprise desktop 12 sp2	`2.9.4-46.3.2`	Not reported	SUSE-SU-2017:2141-1	Not reported
Suse	python-libxml2	rpm	linux enterprise desktop 12 sp2	`2.9.4-46.3.2`	Not reported	SUSE-SU-2017:2141-1	Not reported
Suse	libxml2	rpm	linux enterprise desktop 12 sp3	`2.9.4-46.3.2`	Not reported	SUSE-SU-2017:2141-1	Not reported
Suse	python-libxml2	rpm	linux enterprise desktop 12 sp3	`2.9.4-46.3.2`	Not reported	SUSE-SU-2017:2141-1	Not reported
Suse	libxml2	rpm	linux enterprise server for raspberry pi 12 sp2	`2.9.4-46.3.2`	Not reported	SUSE-SU-2017:2141-1	Not reported
Suse	python-libxml2	rpm	linux enterprise server for raspberry pi 12 sp2	`2.9.4-46.3.2`	Not reported	SUSE-SU-2017:2141-1	Not reported
Suse	libxml2	rpm	linux enterprise software development kit 12 sp2	`2.9.4-46.3.2`	Not reported	SUSE-SU-2017:2141-1	Not reported
Suse	libxml2	rpm	linux enterprise software development kit 12 sp3	`2.9.4-46.3.2`	Not reported	SUSE-SU-2017:2141-1	Not reported
Suse	libxml2	rpm	linux enterprise server 12 sp2	`2.9.4-46.3.2`	Not reported	SUSE-SU-2017:2141-1	Not reported
Suse	python-libxml2	rpm	linux enterprise server 12 sp2	`2.9.4-46.3.2`	Not reported	SUSE-SU-2017:2141-1	Not reported
Suse	libxml2	rpm	linux enterprise server for sap applications 12 sp2	`2.9.4-46.3.2`	Not reported	SUSE-SU-2017:2141-1	Not reported
Suse	python-libxml2	rpm	linux enterprise server for sap applications 12 sp2	`2.9.4-46.3.2`	Not reported	SUSE-SU-2017:2141-1	Not reported
Suse	libxml2	rpm	linux enterprise server 12 sp3	`2.9.4-46.3.2`	Not reported	SUSE-SU-2017:2141-1	Not reported
Suse	python-libxml2	rpm	linux enterprise server 12 sp3	`2.9.4-46.3.2`	Not reported	SUSE-SU-2017:2141-1	Not reported
Suse	libxml2	rpm	linux enterprise server for sap applications 12 sp3	`2.9.4-46.3.2`	Not reported	SUSE-SU-2017:2141-1	Not reported
Suse	python-libxml2	rpm	linux enterprise server for sap applications 12 sp3	`2.9.4-46.3.2`	Not reported	SUSE-SU-2017:2141-1	Not reported

[Debian bug #862450]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[libxml2]Unknown
Details (4)
- 2.9.14+dfsg-1.3~deb12u6 · amd64 · bookworm
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
- 2.9.14+dfsg-1.3~deb12u6 · arm64 · bookworm
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
- 2.9.14+dfsg-1.3~deb12u4 · amd64 · bookworm-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
- 2.9.14+dfsg-1.3~deb12u4 · arm64 · bookworm-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
[libxml2-dev]Unknown
Source package: [libxml2]
Details (4)
- 2.9.14+dfsg-1.3~deb12u6 · amd64 · bookworm
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
- 2.9.14+dfsg-1.3~deb12u6 · arm64 · bookworm
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
- 2.9.14+dfsg-1.3~deb12u4 · amd64 · bookworm-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
- 2.9.14+dfsg-1.3~deb12u4 · arm64 · bookworm-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
[libxml2-doc]Unknown
Source package: [libxml2]
Details (4)
- 2.9.14+dfsg-1.3~deb12u6 · all · bookworm
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
- 2.9.14+dfsg-1.3~deb12u6 · all · bookworm
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
- 2.9.14+dfsg-1.3~deb12u4 · all · bookworm-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
- 2.9.14+dfsg-1.3~deb12u4 · all · bookworm-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
[libxml2-utils]Unknown
Source package: [libxml2]
Details (4)
- 2.9.14+dfsg-1.3~deb12u6 · amd64 · bookworm
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
- 2.9.14+dfsg-1.3~deb12u6 · arm64 · bookworm
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
- 2.9.14+dfsg-1.3~deb12u4 · amd64 · bookworm-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
- 2.9.14+dfsg-1.3~deb12u4 · arm64 · bookworm-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
[python3-libxml2]Unknown
Source package: [libxml2]
Details (4)
- 2.9.14+dfsg-1.3~deb12u6 · amd64 · bookworm
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
- 2.9.14+dfsg-1.3~deb12u6 · arm64 · bookworm
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
- 2.9.14+dfsg-1.3~deb12u4 · amd64 · bookworm-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12
- 2.9.14+dfsg-1.3~deb12u4 · arm64 · bookworm-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · bookworm; dsa · libxml2 · debian · 12

[Debian 13 (Trixie)]

[libxml2]Unknown
Details (4)
- 2.12.7+dfsg+really2.9.14-2.1+deb13u3 · amd64 · trixie
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
- 2.12.7+dfsg+really2.9.14-2.1+deb13u3 · arm64 · trixie
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
- 2.12.7+dfsg+really2.9.14-2.1+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
- 2.12.7+dfsg+really2.9.14-2.1+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
[libxml2-dev]Unknown
Source package: [libxml2]
Details (4)
- 2.12.7+dfsg+really2.9.14-2.1+deb13u3 · amd64 · trixie
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
- 2.12.7+dfsg+really2.9.14-2.1+deb13u3 · arm64 · trixie
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
- 2.12.7+dfsg+really2.9.14-2.1+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
- 2.12.7+dfsg+really2.9.14-2.1+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
[libxml2-doc]Unknown
Source package: [libxml2]
Details (4)
- 2.12.7+dfsg+really2.9.14-2.1+deb13u3 · all · trixie
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
- 2.12.7+dfsg+really2.9.14-2.1+deb13u3 · all · trixie
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
- 2.12.7+dfsg+really2.9.14-2.1+deb13u1 · all · trixie-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
- 2.12.7+dfsg+really2.9.14-2.1+deb13u1 · all · trixie-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
[libxml2-utils]Unknown
Source package: [libxml2]
Details (4)
- 2.12.7+dfsg+really2.9.14-2.1+deb13u3 · amd64 · trixie
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
- 2.12.7+dfsg+really2.9.14-2.1+deb13u3 · arm64 · trixie
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
- 2.12.7+dfsg+really2.9.14-2.1+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
- 2.12.7+dfsg+really2.9.14-2.1+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
[python3-libxml2]Unknown
Source package: [libxml2]
Details (4)
- 2.12.7+dfsg+really2.9.14-2.1+deb13u3 · amd64 · trixie
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
- 2.12.7+dfsg+really2.9.14-2.1+deb13u3 · arm64 · trixie
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
- 2.12.7+dfsg+really2.9.14-2.1+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13
- 2.12.7+dfsg+really2.9.14-2.1+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 2.9.4+dfsg1-6.1
  dsa · libxml2 · debian · 13

Observed: Oct 23, 2026, 5:31:41 PM UTC

References

[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]