CVE-2015-7497
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.0
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
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 |
|---|---|---|---|
| debian | bookworm | fixed | 2.9.3+dfsg1-1 |
| debian | bullseye | fixed | 2.9.3+dfsg1-1 |
| debian | forky | fixed | 2.9.3+dfsg1-1 |
| debian | sid | fixed | 2.9.3+dfsg1-1 |
| debian | trixie | fixed | 2.9.3+dfsg1-1 |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 15.04 | affected | |
| ubuntu | 15.10 | affected | |
| rhel | 6.0 | affected | |
| debian | 7.0 | affected | |
| debian | 8.0 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| xmlsoft | libxml2 | {"endIncluding":"2.9.2"} | |
| hp | icewall_federation_agent | 3.0 | |
| hp | icewall_file_manager | 3.0 | |
References
- 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.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/79508
- http://www.securitytracker.com/id/1034243
- http://www.ubuntu.com/usn/USN-2834-1
- http://xmlsoft.org/news.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1281862
- https://git.gnome.org/browse/libxml2/commit/?id=6360a31a84efe69d155ed96306b9a931a40beab9
- 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-2015-7497
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.