{"id":"CVE-2026-119207","published":"2026-10-29T21:17:19.953","lastModified":"2026-10-29T21:17:19.953","description":"pypdf is a free and open-source pure-python PDF library. Prior to 6.21.3, pypdf can consume excessive memory when strict mode loads a crafted invalid PDF dictionary. Nested parsing failures add repeated exception text to newly raised errors, allowing a small malformed dictionary to amplify into very large error messages. This issue is fixed in version 6.21.3.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":["CWE-400","CWE-405"],"vendors":[],"products":[],"references":[{"url":"https://github.com/py-pdf/pypdf/commit/64270258c0eced720f7960aecf8cef31afd39f8d","tags":[]},{"url":"https://github.com/py-pdf/pypdf/pull/4265","tags":[]},{"url":"https://github.com/py-pdf/pypdf/releases/tag/6.21.3","tags":[]},{"url":"https://github.com/py-pdf/pypdf/security/advisories/GHSA-4vqv-7265-gm2w","tags":[]}],"exploitRefs":[{"url":"https://github.com/py-pdf/pypdf/commit/64270258c0eced720f7960aecf8cef31afd39f8d","tags":[]},{"url":"https://github.com/py-pdf/pypdf/pull/4265","tags":[]},{"url":"https://github.com/py-pdf/pypdf/releases/tag/6.21.3","tags":[]},{"url":"https://github.com/py-pdf/pypdf/security/advisories/GHSA-4vqv-7265-gm2w","tags":[]}],"hasPoc":true,"ai":null}