{"cve":"CVE-2026-59938","nvd":{"published":"2026-07-08T18:16:35.097","modified":"2026-10-25T17:10:00.197","status":"Analyzed","description":"pypdf is a free and open-source pure-python PDF library. Prior to 6.14.0, an attacker can craft a PDF with declared image size values that are much too large compared to the actual data, causing large memory usage in pypdf image parsing. This issue is fixed in version 6.14.0.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":6.9},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":["CWE-789"],"references":["https://github.com/py-pdf/pypdf/commit/c64583be16b8e8763d8777075f8ecbf382014b7a","https://github.com/py-pdf/pypdf/pull/3888","https://github.com/py-pdf/pypdf/releases/tag/6.14.0","https://github.com/py-pdf/pypdf/security/advisories/GHSA-5qjq-93h5-hrgp"],"products":["pypdf_project:pypdf"],"source":"nvd","synced_at":"2026-10-25T17:50:06.907763985+00:00"},"epss":{"cve":"CVE-2026-59938","score":0.00515,"percentile":0.43609,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-5qjq-93h5-hrgp","url":"https://osv.dev/vulnerability/GHSA-5qjq-93h5-hrgp","summary":"pypdf: Possible large memory usage for wrong image dimensions","modified":"2026-09-10T03:51:10.495417380Z","packages":[{"ecosystem":"PyPI","name":"pypdf","purl":"pkg:pypi/pypdf","ranges":["<6.14.0"],"fixed":["6.14.0"]}]},{"id":"PYSEC-2026-3611","url":"https://osv.dev/vulnerability/PYSEC-2026-3611","summary":"pypdf: Possible large memory usage for wrong image dimensions","modified":"2026-08-04T14:30:29.975242941Z","packages":[{"ecosystem":"PyPI","name":"pypdf","purl":"pkg:pypi/pypdf","ranges":["<6.14.0"],"fixed":["6.14.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}