CVE-2011-3193

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.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 4.04% Top 15%
Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory gnome.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/46371 third party advisory
http://git.gnome.org/browse/pango/commit/pango/opentype/harfbuzz-gpos.c?id=a7a715480db66148b1f487528887508a7991dcd0 patch vendor advisory
http://www.ubuntu.com/usn/USN-1504-1 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2011/08/24/8 third party advisory mailing list
http://lists.opensuse.org/opensuse-updates/2011-10/msg00007.html vendor advisory mailing list third party advisory
http://secunia.com/advisories/41537 third party advisory
http://secunia.com/advisories/46410 third party advisory
http://rhn.redhat.com/errata/RHSA-2011-1327.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2011-1325.html third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2011/08/22/6 third party advisory mailing list
http://secunia.com/advisories/46128 third party advisory
http://rhn.redhat.com/errata/RHSA-2011-1324.html third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2011/08/25/1 third party advisory mailing list
http://secunia.com/advisories/49895 third party advisory
http://secunia.com/advisories/46117 third party advisory
http://rhn.redhat.com/errata/RHSA-2011-1326.html third party advisory vendor advisory
http://secunia.com/advisories/46119 third party advisory
http://www.securityfocus.com/bid/49723 third party advisory vdb entry
http://cgit.freedesktop.org/harfbuzz/commit/src/harfbuzz-gpos.c?id=da2c52abcd75d46929b34cad55c4fb2c8892bc08 third party advisory patch
http://rhn.redhat.com/errata/RHSA-2011-1323.html third party advisory vendor advisory
https://hermes.opensuse.org/messages/12056605 vendor advisory broken link
http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65 third party advisory patch
http://rhn.redhat.com/errata/RHSA-2011-1328.html third party advisory vendor advisory
https://qt.gitorious.org/qt/qt/commit/9ae6f2f9a57f0c3096d5785913e437953fa6775c broken link
http://www.osvdb.org/75652 vdb entry broken link
http://secunia.com/advisories/46118 third party advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/69991 third party advisory vdb entry
http://lists.opensuse.org/opensuse-updates/2011-10/msg00008.html vendor advisory mailing list third party advisory

Frequently Asked Questions

What is the severity of CVE-2011-3193?
CVE-2011-3193 has been scored as a critical severity vulnerability.
How to fix CVE-2011-3193?
To fix CVE-2011-3193, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-3193 being actively exploited in the wild?
It is possible that CVE-2011-3193 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.