CVE-2015-8035
The xz_decomp function in xzlib.c in libxml2 2.9.1 does not properly detect compression errors, which allows context-dependent attackers to cause a denial of service (process hang) via crafted XML
02 Description
The xz_decomp function in xzlib.c in libxml2 2.9.1 does not properly detect compression errors, which allows context-dependent attackers to cause a denial of service (process hang) via crafted XML
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.26% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 88.3% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2015-11-18 16:00Z10 YR AGO
- Last updated
- 2024-08-06 08:06Z2 YR AGO
- Reserved
- 2015-11-02
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 66e98e608dbe9e39a3f8fc9e3a7c6f7c09f9de8071bd6b8b4d18d9c3b99c4817
05 Affected products
06 References
- lists.apple.comAPPLE-SA-2016-03-21-5http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
- lists.opensuse.orgopenSUSE-SU-2016:0106http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
- support.apple.comhttps://support.apple.com/HT206167
- support.apple.comhttps://support.apple.com/HT206168
- www.debian.orgDSA-3430http://www.debian.org/security/2015/dsa-3430
- h20566.www2.hpe.comhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05111017
- www.openwall.com[oss-security] 20151102 CVE request: DoS in libxml2 if xz is enabledhttp://www.openwall.com/lists/oss-security/2015/11/02/2
- lists.apple.comAPPLE-SA-2016-03-21-1http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html
- xmlsoft.orghttp://xmlsoft.org/news.html
- lists.fedoraproject.orgFEDORA-2016-a9ee80b01dhttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/177381.html
- h20566.www2.hpe.comhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
- rhn.redhat.comRHSA-2016:1089http://rhn.redhat.com/errata/RHSA-2016-1089.html
- lists.apple.comAPPLE-SA-2016-03-21-2http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html
- www.securitytracker.com1034243http://www.securitytracker.com/id/1034243
- www.ubuntu.comUSN-2812-1http://www.ubuntu.com/usn/USN-2812-1
- www.openwall.com[oss-security] 20151102 Re: CVE request: DoS in libxml2 if xz is enabledhttp://www.openwall.com/lists/oss-security/2015/11/02/4
- lists.fedoraproject.orgFEDORA-2016-189a7bf68chttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/177341.html
- www.openwall.com[oss-security] 20151103 Re: CVE request: DoS in libxml2 if xz is enabledhttp://www.openwall.com/lists/oss-security/2015/11/03/1
- security.gentoo.orgGLSA-201701-37https://security.gentoo.org/glsa/201701-37
- www.securityfocus.com77390http://www.securityfocus.com/bid/77390
- lists.opensuse.orgopenSUSE-SU-2015:2372http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
- lists.apple.comAPPLE-SA-2016-03-21-3http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html
- support.apple.comhttps://support.apple.com/HT206169
- support.apple.comhttps://support.apple.com/HT206166
- bugzilla.gnome.orghttps://bugzilla.gnome.org/show_bug.cgi?id=757466
07 Fixed in
Debian 12
- libxml2 Fixed in 2.9.3+dfsg1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libxml2 Fixed in 2.9.3+dfsg1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libxml2 Fixed in 2.9.3+dfsg1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- libxml2 Fixed in 2.9.1+dfsg1-3ubuntu4.5
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.