The _bdf_parse_glyphs function in FreeType before 2.4.11 allows context-dependent attackers to cause a denial of service (out-of-bounds write and crash) via vectors related to BDF fonts and an ENCODING field with a negative value.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
| Link | Tags |
|---|---|
| http://www.securitytracker.com/id?1027921 | vdb entry |
| http://www.freetype.org/ | |
| http://www.ubuntu.com/usn/USN-1686-1 | vendor advisory |
| http://lists.opensuse.org/opensuse-updates/2013-01/msg00078.html | vendor advisory |
| http://www.openwall.com/lists/oss-security/2012/12/25/2 | mailing list |
| http://lists.opensuse.org/opensuse-updates/2013-01/msg00056.html | vendor advisory |
| http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=7f2e4f4f553f6836be7683f66226afac3fa979b8 | |
| https://savannah.nongnu.org/bugs/?37907 | |
| http://www.slackware.com/security/viewer.php?l=slackware-security&y=2013&m=slackware-security.520186 | vendor advisory |
| http://secunia.com/advisories/51900 | third party advisory vendor advisory |
| http://secunia.com/advisories/51826 | third party advisory vendor advisory |