| Name | CVE-2012-6656 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-97-1, DSA-3142-1 |
| NVD severity | medium (attack range: remote) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| glibc (PTS) | jessie (security), jessie | 2.19-18+deb8u10 | fixed |
| stretch | 2.24-11+deb9u4 | fixed | |
| stretch (security) | 2.24-11+deb9u1 | fixed | |
| buster | 2.28-10 | fixed | |
| bullseye, sid | 2.29-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| eglibc | source | (unstable) | (unfixed) | medium | ||
| eglibc | source | squeeze | 2.11.3-4+deb6u2 | medium | DLA-97-1 | |
| eglibc | source | wheezy | 2.13-38+deb7u7 | medium | DSA-3142-1 | |
| glibc | source | (unstable) | 2.17-1 | medium |
[wheezy] - eglibc <no-dsa> (Will be fixed in a point update)
https://sourceware.org/bugzilla/show_bug.cgi?id=14134
https://sourceware.org/git/?p=glibc.git;a=commit;h=6e230d11837f3ae7b375ea69d7905f0d18eb79e5