CVE-2015-7497
Heap-based buffer overflow in the xmlDictComputeFastQKey function in dict.c in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service via unspecified vectors.
02 Description
Heap-based buffer overflow in the xmlDictComputeFastQKey function in dict.c in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service via unspecified vectors.
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
- 7.15% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 94.2% 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
- 2015-12-15 21:00Z10 YR AGO
- Last updated
- 2024-08-06 07:51Z2 YR AGO
- Reserved
- 2015-09-29
- Assigning CNA
- redhat
- 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
- d9d116cce21e25a116a02aa8e43d1822055559fb1de429c846c631c07cc0b891
05 Affected products
06 References
- rhn.redhat.comRHSA-2015:2550http://rhn.redhat.com/errata/RHSA-2015-2550.html
- lists.opensuse.orgopenSUSE-SU-2016:0106http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1281862
- www.debian.orgDSA-3430http://www.debian.org/security/2015/dsa-3430
- xmlsoft.orghttp://xmlsoft.org/news.html
- www.securityfocus.com79508http://www.securityfocus.com/bid/79508
- rhn.redhat.comRHSA-2016:1089http://rhn.redhat.com/errata/RHSA-2016-1089.html
- git.gnome.orghttps://git.gnome.org/browse/libxml2/commit/?id=6360a31a84efe69d155ed96306b9a931a40beab9
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- www.ubuntu.comUSN-2834-1http://www.ubuntu.com/usn/USN-2834-1
- www.securitytracker.com1034243http://www.securitytracker.com/id/1034243
- rhn.redhat.comRHSA-2015:2549http://rhn.redhat.com/errata/RHSA-2015-2549.html
- marc.infoHPSBGN03537http://marc.info/?l=bugtraq&m=145382616617563&w=2
- h20566.www2.hpe.comhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172
- security.gentoo.orgGLSA-201701-37https://security.gentoo.org/glsa/201701-37
- lists.opensuse.orgopenSUSE-SU-2015:2372http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
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+dfsg1-3ubuntu4.6
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.