{"id":"CVE-2026-115585","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-115585","summary":"pypdf is a free and open-source pure-python PDF library. Prior to 6.21.2, an incomplete remediation for repeated malformed cross-reference entries in GHSA-55h5-xmcq-c37v could still…","details":"pypdf is a free and open-source pure-python PDF library. Prior to 6.21.2, an incomplete remediation for repeated malformed cross-reference entries in GHSA-55h5-xmcq-c37v could still trigger a complete PDF stream reload during each recovery attempt even when a recovery cache was present, causing crafted cross-reference streams to produce long runtimes. This issue is fixed in version 6.21.2.","published":"2026-10-23T20:17:21.230","modified":"2026-10-23T20:17:21.230","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/py-pdf/pypdf/commit/68a0e5046cc9e14a6c24a21a713f3c7fbde18b4b","label":"py-pdf/pypdf@68a0e50"},"references":[{"type":"WEB","url":"https://github.com/py-pdf/pypdf/commit/68a0e5046cc9e14a6c24a21a713f3c7fbde18b4b"},{"type":"WEB","url":"https://github.com/py-pdf/pypdf/pull/4240"},{"type":"WEB","url":"https://github.com/py-pdf/pypdf/releases/tag/6.21.2"},{"type":"WEB","url":"https://github.com/py-pdf/pypdf/security/advisories/GHSA-jr96-gvgh-j3r4"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-23T20:17:21.230"}}