Source: pypdf Version: 5.4.0-1 Severity: important Tags: security upstream Forwarded: https://github.com/py-pdf/pypdf/pull/3675 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for pypdf. CVE-2026-31826[0]: | pypdf is a free and open-source pure-python PDF library. Prior to | 6.8.0, an attacker who uses this vulnerability can craft a PDF which | leads to large memory usage. This requires parsing a content stream | with a rather large /Length value, regardless of the actual data | length inside the stream. This vulnerability is fixed in 6.8.0. 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-2026-31826 https://www.cve.org/CVERecord?id=CVE-2026-31826 [1] https://github.com/py-pdf/pypdf/pull/3675 [2] https://github.com/py-pdf/pypdf/security/advisories/GHSA-hqmh-ppp3-xvm7 [3] https://github.com/py-pdf/pypdf/commit/3c550b3196adeba1506a26e57c09c09fac75e9aa Please adjust the affected versions in the BTS as needed. Regards, Salvatore
