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Vulnerability record · CVE-2011-3193 · published 16 June 2012

CVE-2011-3193: Gnome pango out-of-bounds write vulnerability

Gnome · Pango

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.

9.3 CVSS 2.0 High EPSS 7.3% · top 5.9% CWE-787 · Out-of-bounds write
9.3CVSS 2.0 base score
7.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
56References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65 PatchThird Party Advisory
http://cgit.freedesktop.org/harfbuzz/commit/src/harfbuzz-gpos.c?id=da2c52abcd75d46929b34cad55c4fb2c8892bc08 PatchThird Party Advisory
http://git.gnome.org/browse/pango/commit/pango/opentype/harfbuzz-gpos.c?id=a7a715480db66148b1f487528887508a7991dcd0 PatchVendor Advisory
http://lists.opensuse.org/opensuse-updates/2011-10/msg00007.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2011-10/msg00008.html Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1323.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1324.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1325.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1326.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1327.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1328.html Third Party Advisory
http://secunia.com/advisories/41537 Third Party Advisory
http://secunia.com/advisories/46117 Third Party Advisory
http://secunia.com/advisories/46118 Third Party Advisory
http://secunia.com/advisories/46119 Third Party Advisory
http://secunia.com/advisories/46128 Third Party Advisory
http://secunia.com/advisories/46371 Third Party Advisory
http://secunia.com/advisories/46410 Third Party Advisory
http://secunia.com/advisories/49895 Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/08/22/6 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2011/08/24/8 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2011/08/25/1 Mailing ListThird Party Advisory
http://www.osvdb.org/75652 Broken Link
http://www.securityfocus.com/bid/49723 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-1504-1 Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/69991 Third Party AdvisoryVDB Entry
https://hermes.opensuse.org/messages/12056605 Broken Link
https://qt.gitorious.org/qt/qt/commit/9ae6f2f9a57f0c3096d5785913e437953fa6775c Broken Link
http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65 PatchThird Party Advisory
http://cgit.freedesktop.org/harfbuzz/commit/src/harfbuzz-gpos.c?id=da2c52abcd75d46929b34cad55c4fb2c8892bc08 PatchThird Party Advisory
http://git.gnome.org/browse/pango/commit/pango/opentype/harfbuzz-gpos.c?id=a7a715480db66148b1f487528887508a7991dcd0 PatchVendor Advisory
http://lists.opensuse.org/opensuse-updates/2011-10/msg00007.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2011-10/msg00008.html Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1323.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1324.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1325.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1326.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1327.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1328.html Third Party Advisory
http://secunia.com/advisories/41537 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2011-3193), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.