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CVE-2011-3193

33
FAUCET Score

CVE-2011-3193 is a heap-based buffer overflow vulnerability in the HarfBuzz module, affecting products like Qt and Pango. This critical vulnerability (CVSS 9.3) allows remote attackers to cause a denial of service or potentially execute arbitrary code through crafted font files, requiring moderate attack complexity. Despite its high severity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.25.1CPE matchmatch criteria
cpe:2.3:a:gnome:pango:*:*:*:*:*:*:*:*
< 4.7.4CPE matchmatch criteria
cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
10.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*
11.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:4.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
7.54%
Probability of exploitation in next 30 days
EPSS Percentile
93.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0754 is in the 72nd percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: evolution28-pango-0:1.14.9-13.el4_11
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: frysk-0:0.0.1.2007.08.03-8.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: qt4-0:4.2.1-1.el5_7.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: pango-0:1.14.9-8.el5_7.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: qt-1:4.6.2-17.el6_1.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: qt-1:4.6.2-20.el6
View patch

Vendor Advisories (1)

redhatCVE-2011-3193Moderate

qt/harfbuzz buffer overflow

Jul 19, 2011

References

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