CVE-2026-42310
medium
CVSS v3
5.5
CVSS v4 NEW
5.1
VIR risk
5.5
Description
Pillow has a PDF Parsing Trailer Infinite Loop (DoS)
Predictions
Exploit likelihood
55%
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.
โ 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 withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| โ | Affected | โ |
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Affected | โ |
| sid | Fixed | 12.2.0-1 |
| forky | Fixed | 12.2.0-1 |
| bullseye | Affected | โ |
| bookworm | Affected | โ |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| python | pillow | {"startIncluding":"4.2.0","endExcluding":"12.2.0"} | 12.2.0 |
References
- https://github.com/python-pillow/Pillow/commit/3bf614e4b8615d0ce1d5039efaf6db447fe7c468
- https://github.com/python-pillow/Pillow/pull/9519
- https://github.com/python-pillow/Pillow/releases/tag/12.2.0
- https://github.com/python-pillow/Pillow/security/advisories/GHSA-r73j-pqj5-w3x7
- https://nvd.nist.gov/vuln/detail/CVE-2026-42310
- https://github.com/python-pillow/Pillow
- https://www.suse.com/security/cve/CVE-2026-42310.html
- https://security-tracker.debian.org/tracker/CVE-2026-42310
- https://github.com/advisories/GHSA-r73j-pqj5-w3x7
CWEs
CWE-835
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.