CVE-2023-36810
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
PyPDF2 quadratic runtime with malformed PDF missing xref marker
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 withsource_tier=community-verified.
OS impact
Debian Fixed 2 releases
| Version | Status | Fixed in |
|---|---|---|
| bullseye | Fixed | 1.26.0-4+deb11u1 |
| bookworm | Fixed | 1.27.9-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | pypdf2 | <1.27.9 | 1.27.9 |
References
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-jrm6-h9cq-8gqw
- https://nvd.nist.gov/vuln/detail/CVE-2023-36810
- https://github.com/py-pdf/pypdf/issues/582
- https://github.com/py-pdf/pypdf/pull/808
- https://github.com/py-pdf/pypdf/commit/c6c56f550bb384e05f0139c796ba1308837d6373
- https://github.com/py-pdf/pypdf
- https://lists.debian.org/debian-lts-announce/2023/07/msg00019.html
- https://security-tracker.debian.org/tracker/CVE-2023-36810
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.