VDB
CVE-2026-28804
CVE-2026-28804
PUBLISHED
CVSS 6.900000095367432 MEDIUM
pypdf is a free and open-source pure-python PDF library. Prior to version 6.7.5, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires accessing a stream which uses the /ASCIIHexDecode filter. This issue has been patched in version 6.7.5.
EPSS 0.02% · 4.2th percentile
Risk Scores
CVSS v4.0
6.900000095367432
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
EPSS Score
0.02%
4.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| pypdf_project | pypdf | 0, 0, 0 |
| PyPI | pypdf | 0, 0, 0 |
| py-pdf | pypdf | < 6.7.5, < 6.7.5, < 6.7.5 |
Timeline
- Mar 2, 2026 CVE Published
- Mar 6, 2026 CVE Updated
- Mar 6, 2026 EPSS Score
- Mar 6, 2026 PoC Published
- Mar 7, 2026 EPSS Score
- Mar 8, 2026 EPSS Score
- Mar 9, 2026 Security Advisory
- Mar 10, 2026 EPSS Score
- Mar 11, 2026 EPSS Score
- Mar 12, 2026 EPSS Score
- Mar 13, 2026 EPSS Score
- Mar 14, 2026 EPSS Score
References
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-9m86-7pmv-2852 url
- https://github.com/py-pdf/pypdf/pull/3666 url
- https://github.com/py-pdf/pypdf/commit/648c627d2657447dfb1773412af05a0a5103b98f url
- https://github.com/py-pdf/pypdf/releases/tag/6.7.5 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-28804 advisory
- https://github.com/py-pdf/pypdf package
- https://www.ibm.com/support/pages/node/7271707 advisory
- https://www.ibm.com/support/pages/node/7271922 advisory
- https://www.ibm.com/support/pages/node/7271681 advisory
- https://www.ibm.com/support/pages/node/7271765 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0512 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0513 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0509 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0510 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0505 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0515 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0507 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0506 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0508 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0504 advisory
…and 6 more