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Last updated: 5/28/2016 11:39:48 PM

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Vulnerability Summary for CVE-2011-3193

Original release date: 06/15/2012
Last revised: 02/07/2013


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 9.3 HIGH
Impact Subscore: 10.0
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable - Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: REDHAT
Name: RHSA-2011:1328
External Source: REDHAT
Name: RHSA-2011:1325
External Source: BID
Name: 49723
External Source: REDHAT
Name: RHSA-2011:1324
External Source: CONFIRM
Name: https://qt.gitorious.org/qt/qt/commit/9ae6f2f9a57f0c3096d5785913e437953fa6775c
External Source: UBUNTU
Name: USN-1504-1
External Source: SUSE
Name: openSUSE-SU-2011:1120
External Source: SUSE
Name: openSUSE-SU-2011:1119
External Source: REDHAT
Name: RHSA-2011:1323
External Source: REDHAT
Name: RHSA-2011:1326
External Source: SUSE
Name: SUSE-SU-2011:1113
External Source: MLIST
Name: [oss-security] 20120822 CVE request: libqt4: two memory issues
External Source: REDHAT
Name: RHSA-2011:1327
External Source: MISC
Name: http://cgit.freedesktop.org/harfbuzz/commit/src/harfbuzz-gpos.c?id=da2c52abcd75d46929b34cad55c4fb2c8892bc08
External Source: XF
Name: pango-harfbuzz-bo(69991)
External Source: MLIST
Name: [oss-security] 20120825 Re: CVE request: libqt4: two memory issues
External Source: MISC
Name: http://git.gnome.org/browse/pango/commit/pango/opentype/harfbuzz-gpos.c?id=a7a715480db66148b1f487528887508a7991dcd0
External Source: CONFIRM
Name: http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65
Type: Patch Information
External Source: MLIST
Name: [oss-security] 20120824 Re: CVE request: libqt4: two memory issues

Technical Details

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