SB2013012401 - NULL pointer dereference in FreeType
Published: January 24, 2013 Updated: July 28, 2020
Security Bulletin ID
SB2013012401
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2012-5668)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via vectors related to BDF fonts and the improper handling of an "allocation error" in the bdf_free_font function.
Remediation
Install update from vendor's website.
References
- http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=9b6b5754b57c12b820e01305eb69b8863a161e5a
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00056.html
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00068.html
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00078.html
- http://secunia.com/advisories/51826
- http://secunia.com/advisories/51900
- http://www.freetype.org/
- http://www.openwall.com/lists/oss-security/2012/12/25/2
- http://www.securitytracker.com/id?1027921
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2013&m=slackware-security.520186
- http://www.ubuntu.com/usn/USN-1686-1
- https://savannah.nongnu.org/bugs/?37905