CVE-2015-7941
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 2.9.2+really2.9.1+dfsg1-0.1 |
| debian | bullseye | fixed | 2.9.2+really2.9.1+dfsg1-0.1 |
| debian | forky | fixed | 2.9.2+really2.9.1+dfsg1-0.1 |
| debian | sid | fixed | 2.9.2+really2.9.1+dfsg1-0.1 |
| debian | trixie | fixed | 2.9.2+really2.9.1+dfsg1-0.1 |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 15.04 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| xmlsoft | libxml2 | 2.9.2 | |
References
- https://www.suse.com/security/cve/CVE-2015-7941.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177341.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177381.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
- http://marc.info/?l=bugtraq&m=145382616617563&w=2
- http://rhn.redhat.com/errata/RHSA-2015-2549.html
- http://rhn.redhat.com/errata/RHSA-2015-2550.html
- http://rhn.redhat.com/errata/RHSA-2016-1089.html
- http://www.debian.org/security/2015/dsa-3430
- http://www.openwall.com/lists/oss-security/2015/10/22/5
- http://www.openwall.com/lists/oss-security/2015/10/22/8
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/74241
- http://www.securitytracker.com/id/1034243
- http://www.ubuntu.com/usn/USN-2812-1
- http://xmlsoft.org/news.html
- https://bugzilla.gnome.org/show_bug.cgi?id=744980
- https://git.gnome.org/browse/libxml2/commit/?id=9b8512337d14c8ddf662fcb98b0135f225a1c489
- https://git.gnome.org/browse/libxml2/commit/?id=a7dfab7411cbf545f359dd3157e5df1eb0e7ce31
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172
- https://security.gentoo.org/glsa/201701-37
- https://security-tracker.debian.org/tracker/CVE-2015-7941
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.