Medium severity5.5GHSA Advisory· Published Jun 22, 2026· Updated Jun 25, 2026
CVE-2026-54531
CVE-2026-54531
Description
pypdf is a free and open-source pure-python PDF library. Prior to 6.13.0, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires merging a file with outlines into a writer. This vulnerability is fixed in 6.13.0.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
pypdfPyPI | < 6.13.0 | 6.13.0 |
Affected products
5- osv-coords3 versions
< 0.9.6-r5+ 2 more
- (no CPE)range: < 0.9.6-r5
- (no CPE)range: < 0.9.6-r5
- (no CPE)range: < 6.13.0
Patches
Vulnerability mechanics
References
4- github.com/py-pdf/pypdf/pull/3830nvdIssue TrackingPatchWEB
- github.com/py-pdf/pypdf/releases/tag/6.13.0nvdPatchRelease NotesWEB
- github.com/py-pdf/pypdf/security/advisories/GHSA-m2v9-299j-rv96nvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-m2v9-299j-rv96ghsaADVISORY
News mentions
0No linked articles in our index yet.