{"id":"CVE-2025-62707","aliases":["GHSA-vr63-x8vc-m265","PYSEC-2026-1833"],"title":"pypdf possibly loops infinitely when reading DCT inline images without EOF marker","summary":"pypdf possibly loops infinitely when reading DCT inline images without EOF marker","severity":"medium","vendor":"pypdf","product":"pypdf","ecosystem":"pip","affected":["pypdf < 6.1.3"],"patched":["pypdf 6.1.3"],"published":"2025-10-22","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:50:58.424138377Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-vr63-x8vc-m265","references":[{"url":"https://github.com/py-pdf/pypdf/security/advisories/GHSA-vr63-x8vc-m265"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-62707"},{"url":"https://github.com/py-pdf/pypdf/pull/3501"},{"url":"https://github.com/py-pdf/pypdf/commit/f2864d6dd9bac7cecd3f4f54308b25ebbfa178f8"},{"url":"https://github.com/py-pdf/pypdf"},{"url":"https://github.com/py-pdf/pypdf/releases/tag/6.1.3"}],"tags":["osv","pip"],"epss":0.00414,"epssPercentile":0.35321,"ingestedAt":"2026-07-08T18:25:53.371Z","slug":"CVE-2025-62707","body":"## Overview\n\n### Impact\n\nAn attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires parsing the content stream of a page which has an inline image using the DCTDecode filter.\n\n### Patches\nThis has been fixed in [pypdf==6.1.3](https://github.com/py-pdf/pypdf/releases/tag/6.1.3).\n\n### Workarounds\nIf you cannot upgrade yet, consider applying the changes from PR [#3501](https://github.com/py-pdf/pypdf/pull/3501).\n\n## Affected packages\n\n- `pypdf < 6.1.3`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `pypdf 6.1.3`","depth":"sunlit","depthScore":28,"depthScoreParts":{"impact":27.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}