Is CVE-2011-3193 being actively exploited?

CVE-2011-3193 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-3193?

CVE-2011-3193 has a CVSS 2.0 base score of 9.3 (HIGH).

CVE-2011-3193

HIGH · CVSS 9.3EPSS 7.2%EU EUVD

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.

Key facts

CVSS score: 9.3 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-787
EPSS score: 7.2% (94th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-3157)
Published: June 16, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-3157 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
gnome / pango
opensuse / opensuse
opensuse / opensuse
qt / qt
redhat / enterprise linux desktop
redhat / enterprise linux desktop
redhat / enterprise linux desktop
redhat / enterprise linux eus
redhat / enterprise linux server
redhat / enterprise linux server
redhat / enterprise linux server
redhat / enterprise linux workstation
redhat / enterprise linux workstation
redhat / enterprise linux workstation

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical

References

http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65(Patch, Third Party Advisory)
http://cgit.freedesktop.org/harfbuzz/commit/src/harfbuzz-gpos.c?id=da2c52abcd75d46929b34cad55c4fb2c8892bc08(Patch, Third Party Advisory)
http://git.gnome.org/browse/pango/commit/pango/opentype/harfbuzz-gpos.c?id=a7a715480db66148b1f487528887508a7991dcd0(Patch, Vendor Advisory)
http://lists.opensuse.org/opensuse-updates/2011-10/msg00007.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2011-10/msg00008.html(Mailing List, Third 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 List, Third Party Advisory)
http://www.openwall.com/lists/oss-security/2011/08/24/8(Mailing List, Third Party Advisory)
http://www.openwall.com/lists/oss-security/2011/08/25/1(Mailing List, Third Party Advisory)
http://www.osvdb.org/75652(Broken Link)
http://www.securityfocus.com/bid/49723(Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/USN-1504-1(Third Party Advisory)
https://exchange.xforce.ibmcloud.com/vulnerabilities/69991(Third Party Advisory, VDB Entry)
https://hermes.opensuse.org/messages/12056605(Broken Link)
https://qt.gitorious.org/qt/qt/commit/9ae6f2f9a57f0c3096d5785913e437953fa6775c(Broken Link)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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