Source: pypdf Version: 5.4.0-1 Severity: important Tags: security upstream Forwarded: https://github.com/py-pdf/pypdf/pull/3666 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for pypdf. CVE-2026-28804[0]: | 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. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-28804 https://www.cve.org/CVERecord?id=CVE-2026-28804 [1] https://github.com/py-pdf/pypdf/pull/3666 [2] https://github.com/py-pdf/pypdf/commit/648c627d2657447dfb1773412af05a0a5103b98f [3] https://github.com/py-pdf/pypdf/security/advisories/GHSA-9m86-7pmv-2852 Please adjust the affected versions in the BTS as needed. Regards, Salvatore

