CVE-2016-4447
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName.
Predictions
Exploit likelihood
83%
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 |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 2.9.3+dfsg1-1.1 |
| debian | bullseye | fixed | 2.9.3+dfsg1-1.1 |
| debian | forky | fixed | 2.9.3+dfsg1-1.1 |
| debian | sid | fixed | 2.9.3+dfsg1-1.1 |
| debian | trixie | fixed | 2.9.3+dfsg1-1.1 |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 15.10 | affected | |
| ubuntu | 16.04 | affected | |
| debian | 7.0 | affected | |
| debian | 8.0 | affected | |
| macos | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| hp | icewall_federation_agent | 3.0 | |
| apple | itunes | 12.4.1 | |
| xmlsoft | libxml2 | {"endIncluding":"2.9.3"} | |
| mcafee | web_gateway | {"startIncluding":"7.5.0.0","endIncluding":"7.5.2.10"} | |
References
- https://www.suse.com/security/cve/CVE-2016-4447.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html
- http://rhn.redhat.com/errata/RHSA-2016-2957.html
- http://www.openwall.com/lists/oss-security/2016/05/25/2
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/90864
- http://www.securitytracker.com/id/1036348
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.404722
- http://www.ubuntu.com/usn/USN-2994-1
- http://xmlsoft.org/news.html
- https://access.redhat.com/errata/RHSA-2016:1292
- https://git.gnome.org/browse/libxml2/commit/?id=00906759053986b8079985644172085f74331f83
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05194709
- https://kc.mcafee.com/corporate/index?page=content&id=SB10170
- https://support.apple.com/HT206899
- https://support.apple.com/HT206901
- https://support.apple.com/HT206902
- https://support.apple.com/HT206903
- https://support.apple.com/HT206904
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.