CVE-2011-3193

critical
Published 2012-06-16 ยท Modified 2026-04-29
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
9.3

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.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

redhat Red Hat Affected 4 releases
VersionStatusFixed in
6.1 Affected โ€”
6.0 Affected โ€”
5.0 Affected โ€”
4.0 Affected โ€”
suse SUSE Affected 2 releases
VersionStatusFixed in
11.4 Affected โ€”
11.3 Affected โ€”
ubuntu Ubuntu Affected 2 releases
VersionStatusFixed in
11.04 Affected โ€”
10.04 Affected โ€”
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 1.28.3-1
sid Fixed 1.28.3-1
forky Fixed 1.28.3-1
bullseye Fixed 1.28.3-1
bookworm Fixed 1.28.3-1

Application impact

VendorProductVersionsFixed
gnomepango{"endExcluding":"1.25.1"}1.25.1
qtqt{"endExcluding":"4.7.4"}4.7.4

References

CWEs

CWE-787

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.