CVE-2026-119209 — Vulnerability intelligence
— pypdf
Published:
- CVSS
- 0
- CISA KEV
- Not listed; not proof of no exploitation
Original source text (not a translation)
pypdf has possible large memory usage when parsing cross-reference streams
### Impact
An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires opening a file with cross-reference streams.
### Patches
This has been fixed in [pypdf==6.21.3](https://github.com/py-pdf/pypdf/releases/tag/6.21.3).
### Workarounds
If you cannot upgrade yet, consider applying the changes from PR [#4269](https://github.com/py-pdf/pypdf/pull/4269).