qt/harfbuzz buffer overflow
Published Jun 16, 2012
9.3
HIGHCVSS 2.0
EPSS 7.25%
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.
Affected products
No data.
Configuration 2
- 10.04
- 11.04
Configuration 3
- 4.0
- 5.0
- 6.0
- 6.1
- 4.0
- 5.0
- 6.0
- 4.0
- 5.0
- 6.0
No data.
Red Hat Enterprise Linux 4
evolution28-pango-0:1.14.9-13.el4_11
Fixed · RHSA-2011:1325
Red Hat Enterprise Linux 4
frysk-0:0.0.1.2007.08.03-8.el4
Fixed · RHSA-2011:1327
Red Hat Enterprise Linux 5
pango-0:1.14.9-8.el5_7.3
Fixed · RHSA-2011:1326
Red Hat Enterprise Linux 5
qt4-0:4.2.1-1.el5_7.1
Fixed · RHSA-2011:1324
Red Hat Enterprise Linux 6
qt-1:4.6.2-17.el6_1.1
Fixed · RHSA-2011:1323
Red Hat Enterprise Linux 6
qt-1:4.6.2-20.el6
Fixed · RHSA-2011:1328
Red Hat Enterprise Linux 4
freetype
Not affected
Red Hat Enterprise Linux 4
pango
Not affected
Red Hat Enterprise Linux 4
qt
Not affected
Red Hat Enterprise Linux 5
freetype
Not affected
Red Hat Enterprise Linux 5
qt
Not affected
Red Hat Enterprise Linux 6
freetype
Not affected
Red Hat Enterprise Linux 6
pango
Not affected
Red Hat Enterprise Linux 6
qt3
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | evolution28-pango-0:1.14.9-13.el4_11 | Fixed | RHSA-2011:1325 |
| Red Hat Enterprise Linux 4 | frysk-0:0.0.1.2007.08.03-8.el4 | Fixed | RHSA-2011:1327 |
| Red Hat Enterprise Linux 5 | pango-0:1.14.9-8.el5_7.3 | Fixed | RHSA-2011:1326 |
| Red Hat Enterprise Linux 5 | qt4-0:4.2.1-1.el5_7.1 | Fixed | RHSA-2011:1324 |
| Red Hat Enterprise Linux 6 | qt-1:4.6.2-17.el6_1.1 | Fixed | RHSA-2011:1323 |
| Red Hat Enterprise Linux 6 | qt-1:4.6.2-20.el6 | Fixed | RHSA-2011:1328 |
| Red Hat Enterprise Linux 4 | freetype | Not affected | n/a |
| Red Hat Enterprise Linux 4 | pango | Not affected | n/a |
| Red Hat Enterprise Linux 4 | qt | Not affected | n/a |
| Red Hat Enterprise Linux 5 | freetype | Not affected | n/a |
| Red Hat Enterprise Linux 5 | qt | Not affected | n/a |
| Red Hat Enterprise Linux 6 | freetype | Not affected | n/a |
| Red Hat Enterprise Linux 6 | pango | Not affected | n/a |
| Red Hat Enterprise Linux 6 | qt3 | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.25% (0.07252) | 94.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.54% (0.07543) | 93.71th | v5 (v2026.06.15) |
| Jun 13, 2026 | 12.65% (0.12652) | 94.16th | v4 (v2025.03.14) |
| May 24, 2026 | 9.73% (0.09726) | 93.04th | v4 (v2025.03.14) |
| Apr 3, 2025 | 4.04% (0.04038) | 87.45th | v4 (v2025.03.14) |
| Mar 30, 2025 | 5.13% (0.05126) | 88.86th | v4 (v2025.03.14) |
| Mar 29, 2025 | 7.16% (0.07162) | 85.63th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.50% (0.04498) | 88.38th | v4 (v2025.03.14) |
| Feb 4, 2025 | 11.59% (0.11586) | 95.28th | v3 (v2023.03.01) |
| Dec 17, 2024 | 10.08% (0.10078) | 94.90th | v3 (v2023.03.01) |
| Dec 15, 2024 | 3.22% (0.03216) | 91.58th | v3 (v2023.03.01) |
| May 12, 2024 | 2.19% (0.02193) | 89.37th | v3 (v2023.03.01) |
| Jan 14, 2024 | 2.16% (0.02159) | 88.17th | v3 (v2023.03.01) |
| Nov 11, 2023 | 2.29% (0.02289) | 88.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.83% (0.01831) | 86.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.60% (0.06604) | 91.53th | v2 (v2022.01.01) |
| Feb 13, 2023 | 6.60% (0.06604) | 91.21th | v2 (v2022.01.01) |
| Feb 3, 2023 | 2.69% (0.02686) | 82.44th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.60% (0.06604) | 90.72th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.60% (0.06604) | 78.62th | v2 (v2022.01.01) |
References (32)
- http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65 x_refsource_CONFIRMPatchThird Party Advisory
- http://cgit.freedesktop.org/harfbuzz/commit/src/harfbuzz-gpos.c?id=da2c52abcd75d46929b34cad55c4fb2c8892bc08 x_refsource_MISCPatchThird Party Advisory
- http://git.gnome.org/browse/pango/commit/pango/opentype/harfbuzz-gpos.c?id=a7a715480db66148b1f487528887508a7991dcd0 x_refsource_MISCPatchVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2011-10/msg00007.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2011-10/msg00008.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-1323.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-1324.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-1325.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-1326.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-1327.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-1328.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://secunia.com/advisories/41537 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/46117 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/46118 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/46119 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/46128 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/46371 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/46410 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/49895 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://www.openwall.com/lists/oss-security/2011/08/22/6 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2011/08/24/8 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2011/08/25/1 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.osvdb.org/75652 vdb-entryx_refsource_OSVDBBroken Link
- http://www.securityfocus.com/bid/49723 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-1504-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2011-3193 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=733118 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69991 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://hermes.opensuse.org/messages/12056605 vendor-advisoryx_refsource_SUSEBroken Link
- https://nvd.nist.gov/vuln/detail/CVE-2011-3193
- https://qt.gitorious.org/qt/qt/commit/9ae6f2f9a57f0c3096d5785913e437953fa6775c x_refsource_CONFIRMBroken Link
- https://www.cve.org/CVERecord?id=CVE-2011-3193
Change history (0)
No recorded changes yet.