CVE-2015-7941
Advisory lineage Upstream: 0 Downstream: 16
Modified
Published: 18 Nov 2015, 16:00
Last modified:06 Aug 2024, 08:06
Vulnerability Summary
Overall Risk (default)
low
17/100 CVSS Score
4.3 MEDIUM
v2.0 (nvd)
EPSS Score
0.43% LOW
0% probability -0.81%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
18 Nov 2015, 16:00
Published
Vulnerability first disclosed
06 Aug 2024, 08:06
Last Modified
Vulnerability information updated
Description
libxml2 2.9.2 does not properly stop parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and libxml2 crash) via crafted XML data to the (1) xmlParseEntityDecl or (2) xmlParseConditionalSections function in parser.c, as demonstrated by non-terminated entities.
CVSS Metrics
- v2.0•MEDIUM•Score: 4.3AV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 0.43%• Percentile: 63%
Techniques & Countermeasures
- CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
Affected Systems
- canonical•ubuntu_linux
12.04 | 14.04 | 15.04
- xmlsoft•libxml2
2.9.2
References (22)
- http://rhn.redhat.com/errata/RHSA-2015-2550.html
- http://www.securityfocus.com/bid/74241
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
- http://www.openwall.com/lists/oss-security/2015/10/22/5
- https://git.gnome.org/browse/libxml2/commit/?id=9b8512337d14c8ddf662fcb98b0135f225a1c489
- http://www.debian.org/security/2015/dsa-3430
- http://xmlsoft.org/news.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177381.html
- https://bugzilla.gnome.org/show_bug.cgi?id=744980
- http://rhn.redhat.com/errata/RHSA-2016-1089.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securitytracker.com/id/1034243
- http://rhn.redhat.com/errata/RHSA-2015-2549.html
- http://www.ubuntu.com/usn/USN-2812-1
- http://marc.info/?l=bugtraq&m=145382616617563&w=2
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177341.html
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
- https://security.gentoo.org/glsa/201701-37
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
- http://www.openwall.com/lists/oss-security/2015/10/22/8
- https://git.gnome.org/browse/libxml2/commit/?id=a7dfab7411cbf545f359dd3157e5df1eb0e7ce31