CVE-2012-6656
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…
Does this matter?
Lower severity and a low EPSS score (3.44%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 3.44% probability · 89th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- debian/debian linux · canonical/ubuntu linux · gnu/glibc
- Source
- secalert@redhat.com
EPSS 3.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.debian.org/security/2015/dsa-3142Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:175Broken Link
- http://www.openwall.com/lists/oss-security/2014/08/29/3Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2014/09/02/1Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/69472Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2432-1Third Party Advisory
- https://security.gentoo.org/glsa/201503-04
- https://sourceware.org/bugzilla/show_bug.cgi?id=14134Exploit, Issue Tracking
- https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=6e230d11837f3ae7b375ea69d7905f0d18eb79e5
- http://www.debian.org/security/2015/dsa-3142Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:175Broken Link
- http://www.openwall.com/lists/oss-security/2014/08/29/3Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2014/09/02/1Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/69472Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2432-1Third Party Advisory
- https://security.gentoo.org/glsa/201503-04
- https://sourceware.org/bugzilla/show_bug.cgi?id=14134Exploit, Issue Tracking
- https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=6e230d11837f3ae7b375ea69d7905f0d18eb79e5
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.