GHSA-87mj-5ggw-8qc3
Suggest an improvement- Source
- https://github.com/advisories/GHSA-87mj-5ggw-8qc3
- Import Source
- https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-87mj-5ggw-8qc3/GHSA-87mj-5ggw-8qc3.json
- JSON Data
- https://api.osv.dev/v1/vulns/GHSA-87mj-5ggw-8qc3
- Aliases
- Downstream
ECHO (1)
- Published
- 2026-03-25T20:05:22Z
- Modified
- 2026-09-10T03:51:00Z
- Severity
-
- 4.6 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U CVSS Calculator
- Summary
- pypdf: Possible infinite loop during recovery attempts in DictionaryObject.read_from_stream
- Details
-
Impact
An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading a file in non-strict mode.
Patches
This has been fixed in pypdf==6.9.2.
Workarounds
If users cannot upgrade yet, consider applying the changes from PR #3693.
- Database specific
{ "cwe_ids": [ "CWE-835" ], "github_reviewed": true, "github_reviewed_at": "2026-03-25T20:05:22Z", "nvd_published_at": "2026-03-27T01:16:19Z", "severity": "MODERATE" }- References
Affected packages
PyPI / pypdf
Package
- Name
- pypdf
- View open source insights on deps.dev
- Purl
- pkg:pypi/pypdf
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affectedFixed6.9.2
Affected versions
1.*
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
1.10
1.11
1.12
1.13
3.*
3.1.0
3.2.0
3.2.1
3.3.0
3.4.0
3.4.1
3.5.0
3.5.1
3.5.2
3.6.0
3.7.0
3.7.1
3.8.0
3.8.1
3.9.0
3.9.1
3.10.0
3.11.0
3.11.1
3.12.0
3.12.1
3.12.2
3.13.0
3.14.0
3.15.0
3.15.1
3.15.2
3.15.3
3.15.4
3.15.5
3.16.0
3.16.1
3.16.2
3.16.3
3.16.4
3.17.0
3.17.1
3.17.2
3.17.3
3.17.4
4.*
4.0.0
4.0.1
4.0.2
4.1.0
4.2.0
4.3.0
4.3.1
5.*
5.0.0
5.0.1
5.1.0
5.2.0
5.3.0
5.3.1
5.4.0
5.5.0
5.6.0
5.6.1
5.7.0
5.8.0
5.9.0
6.*
6.0.0
6.1.0
6.1.1
6.1.2
6.1.3
6.2.0
6.3.0
6.4.0
6.4.1
6.4.2
6.5.0
6.6.0
6.6.1
6.6.2
6.7.0
6.7.1
6.7.2
6.7.3
6.7.4
6.7.5
6.8.0
6.9.0
6.9.1