CVE-2026-42308
medium
CVSS v3
5.5
CVSS v4 NEW
5.1
VIR risk
5.5
Description
Pillow is a Python imaging library. Prior to version 12.2.0, if a font advances for each glyph by an exceeding large amount, when Pillow keeps track of the current position, it may lead to an integer overflow. This issue has been patched in version 12.2.0.
Predictions
Exploit likelihood
55%
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 withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Affected | — |
| sid | Fixed | 12.2.0-1 |
| forky | Fixed | 12.2.0-1 |
| bullseye | Affected | — |
| bookworm | Affected | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| python | pillow | {"endExcluding":"12.2.0"} | 12.2.0 |
References
- https://github.com/python-pillow/Pillow/releases/tag/12.2.0
- https://github.com/python-pillow/Pillow/security/advisories/GHSA-wjx4-4jcj-g98j
- https://nvd.nist.gov/vuln/detail/CVE-2026-42308
- https://github.com/python-pillow/Pillow
- https://www.suse.com/security/cve/CVE-2026-42308.html
- https://security-tracker.debian.org/tracker/CVE-2026-42308
- https://github.com/advisories/GHSA-wjx4-4jcj-g98j
CWEs
CWE-190
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.