VIR Vulnerability Intelligence Relay

CVE-2011-0226

critical
Published 2011-07-19 · Modified 2026-04-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
9.3

Description

Integer signedness error in psaux/t1decode.c in FreeType before 2.4.6, as used in CoreGraphics in Apple iOS before 4.2.9 and 4.3.x before 4.3.4 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted Type 1 font in a PDF document, as exploited in the wild in July 2011.

Predictions

Exploit likelihood
20%
Patch ETA
—

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 — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → 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
macos macOS Affected 37 releases
VersionStatusFixed in
4.3.3 Affected —
4.3.2 Affected —
4.3.1 Affected —
4.3.0 Affected —
4.2.5 Affected —
4.2.1 Affected —
4.2 Affected —
4.1 Affected —
4.0.2 Affected —
4.0.1 Affected —
4.0 Affected —
3.2.2 Affected —
3.2.1 Affected —
3.2 Affected —
3.1.3 Affected —
3.1.2 Affected —
3.1 Affected —
3.0.1 Affected —
3.0 Affected —
2.2.1 Affected —
2.2 Affected —
2.1.1 Affected —
2.1 Affected —
2.0.2 Affected —
2.0.1 Affected —
2.0.0 Affected —
2.0 Affected —
1.1.5 Affected —
1.1.4 Affected —
1.1.3 Affected —
1.1.2 Affected —
1.1.1 Affected —
1.1.0 Affected —
1.0.2 Affected —
1.0.1 Affected —
1.0.0 Affected —
— Affected —
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 2.4.6-1
sid Fixed 2.4.6-1
forky Fixed 2.4.6-1
bullseye Fixed 2.4.6-1
bookworm Fixed 2.4.6-1

Application impact
VendorProductVersionsFixed
freetypefreetype{"endIncluding":"2.4.5"}
freetypefreetype2.2.1
freetypefreetype2.2.10
freetypefreetype2.3.0
freetypefreetype2.3.1
freetypefreetype2.3.2
freetypefreetype2.3.3
freetypefreetype2.3.4
freetypefreetype2.3.5
freetypefreetype2.3.6
freetypefreetype2.3.7
freetypefreetype2.3.8
freetypefreetype2.3.9
freetypefreetype2.3.10
freetypefreetype2.3.11
freetypefreetype2.3.12
freetypefreetype2.4.0
freetypefreetype2.4.1
freetypefreetype2.4.2
freetypefreetype2.4.3
freetypefreetype2.4.4

References

CWEs

CWE-189

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

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