CVE-2016-4483
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
The xmlBufAttrSerializeTxtContent function in xmlsave.c in libxml2 allows context-dependent attackers to cause a denial of service (out-of-bounds read and application crash) via a non-UTF-8 attribute value, related to serialization. NOTE: this vulnerability may be a duplicate of CVE-2016-3627.
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 |
| debian | 8.0 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| xmlsoft | libxml2 | {"endExcluding":"2.9.4"} | 2.9.4 |
References
- https://www.suse.com/security/cve/CVE-2016-4483.html
- http://rhn.redhat.com/errata/RHSA-2016-2957.html
- http://www.debian.org/security/2016/dsa-3593
- http://www.openwall.com/lists/oss-security/2016/05/03/8
- http://www.openwall.com/lists/oss-security/2016/05/04/7
- http://www.openwall.com/lists/oss-security/2016/06/07/4
- http://www.openwall.com/lists/oss-security/2016/06/07/5
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.securityfocus.com/bid/90013
- http://www.securitytracker.com/id/1036348
- https://git.gnome.org/browse/libxml2/commit/?id=c97750d11bb8b6f3303e7131fe526a61ac65bcfd
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://security.gentoo.org/glsa/201701-37
- https://www.tenable.com/security/tns-2016-18
- https://security-tracker.debian.org/tracker/CVE-2016-4483
CWEs
CWE-502
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.