CVE-2011-3193
HIGH severity · CVSS 9.3 · Out-of-bounds write
9.3CVSS HIGH
Summary
Heap-based buffer overflow in the Lookup_MarkMarkPos function in the HarfBuzz module (harfbuzz-gpos.c), as used by Qt before 4.7.4 and Pango, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted font file.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)8%
AV:N/AC:M/Au:N/C:C/I:C/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65 ↗
Additional information
- NVD record
- http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65Patch
- http://cgit.freedesktop.org/harfbuzz/commit/src/harfbuzz-gpos.c?id=da2c52abcd75d46929b34cad55c4fb2c8892bc08Patch
- http://git.gnome.org/browse/pango/commit/pango/opentype/harfbuzz-gpos.c?id=a7a715480db66148b1f487528887508a7991dcd0Patch
- http://lists.opensuse.org/opensuse-updates/2011-10/msg00007.htmlAdvisory
- http://lists.opensuse.org/opensuse-updates/2011-10/msg00008.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2011-1323.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2011-1324.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2011-1325.htmlAdvisory