CVE-2026-31826
unknown
CVSS v3
—
VIR risk
—
Description
pypdf: manipulated stream length values can exhaust RAM
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | affected | |
| debian | forky | fixed | 6.9.0-1 |
| debian | sid | fixed | 6.9.0-1 |
| debian | trixie | affected | |
| debian | bullseye | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | pypdf | <6.8.0 | 6.8.0 |
References
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-hqmh-ppp3-xvm7
- https://nvd.nist.gov/vuln/detail/CVE-2026-31826
- https://github.com/py-pdf/pypdf/pull/3675
- https://github.com/py-pdf/pypdf/commit/3c550b3196adeba1506a26e57c09c09fac75e9aa
- https://github.com/py-pdf/pypdf
- https://github.com/py-pdf/pypdf/releases/tag/6.8.0
- https://security-tracker.debian.org/tracker/CVE-2026-31826
💬 Discuss CVE-2026-31826 on VIR Community →
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.