CVE-2012-6656
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.0
Description
iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a multibyte character value of "0xffff" to the iconv function when converting IBM930 encoded data to UTF-8.
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 | 2.17-1 |
| debian | bullseye | fixed | 2.17-1 |
| debian | forky | fixed | 2.17-1 |
| debian | sid | fixed | 2.17-1 |
| debian | trixie | fixed | 2.17-1 |
| debian | 7.0 | affected | |
| ubuntu | 10.04 | affected | |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 14.10 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| gnu | glibc | {"endIncluding":"2.16"} | |
References
- http://www.debian.org/security/2015/dsa-3142
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:175
- http://www.openwall.com/lists/oss-security/2014/08/29/3
- http://www.openwall.com/lists/oss-security/2014/09/02/1
- http://www.securityfocus.com/bid/69472
- http://www.ubuntu.com/usn/USN-2432-1
- https://security.gentoo.org/glsa/201503-04
- https://sourceware.org/bugzilla/show_bug.cgi?id=14134
- https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=6e230d11837f3ae7b375ea69d7905f0d18eb79e5
- https://security-tracker.debian.org/tracker/CVE-2012-6656
CWEs
CWE-20
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.