Source: pypdf Version: 5.4.0-1 Severity: important Tags: security upstream Forwarded: https://github.com/py-pdf/pypdf/pull/3664 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for pypdf. CVE-2026-28351[0]: | pypdf is a free and open-source pure-python PDF library. Prior to | version 6.7.4, an attacker who uses this vulnerability can craft a | PDF which leads to large memory usage. This requires parsing the | content stream using the RunLengthDecode filter. This has been fixed | in pypdf 6.7.4. As a workaround, consider applying the changes from | PR #3664. 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-2026-28351 https://www.cve.org/CVERecord?id=CVE-2026-28351 [1] https://github.com/py-pdf/pypdf/pull/3664 [2] https://github.com/py-pdf/pypdf/security/advisories/GHSA-f2v5-7jq9-h8cg [3] https://github.com/py-pdf/pypdf/commit/f309c6003746414dc7b5048c19e6d879ff2dc858 Please adjust the affected versions in the BTS as needed. Regards, Salvatore
