CVE-2012-6656
MEDIUM · CVSS 5.0EPSS 3.4%EU EUVD
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.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-20
- EPSS score
- 3.4% (89th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-6502)
- Published
- December 5, 2014
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-6502 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- debian / debian linux
- gnu / glibc
References
- http://www.debian.org/security/2015/dsa-3142(Third Party Advisory)
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:175(Broken Link)
- http://www.openwall.com/lists/oss-security/2014/08/29/3(Mailing List, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2014/09/02/1(Mailing List, Third Party Advisory)
- http://www.securityfocus.com/bid/69472(Third Party Advisory, VDB Entry)
- http://www.ubuntu.com/usn/USN-2432-1(Third Party Advisory)
- https://security.gentoo.org/glsa/201503-04
- https://sourceware.org/bugzilla/show_bug.cgi?id=14134(Exploit, Issue Tracking)
- https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=6e230d11837f3ae7b375ea69d7905f0d18eb79e5
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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