{"id":"CVE-2026-48735","aliases":["GHSA-wjqc-6w8f-h24c","PYSEC-2026-3025"],"url":"https://o3.security/vulnerability/CVE-2026-48735","summary":"pypdf: Manipulated XMP metadata streams can exhaust RAM","details":"pypdf is a free and open-source pure-python PDF library. Prior to 6.12.1, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing large XMP metadata, possibly with lots of unnecessary elements. This vulnerability is fixed in 6.12.1.","published":"2026-05-28T14:49:11.814Z","modified":"2026-08-12T03:51:19.626424661Z","cvss":null,"epss":{"score":0.00128,"percentile":0.02766,"asOf":"2026-09-02"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"pypdf","fixedVersion":"6.12.1"}],"fix":{"url":"https://github.com/py-pdf/pypdf/pull/3796","label":"py-pdf/pypdf#3796"},"references":[{"type":"WEB","url":"https://github.com/py-pdf/pypdf/releases/tag/6.12.1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48735.json"},{"type":"ADVISORY","url":"https://github.com/py-pdf/pypdf/security/advisories/GHSA-wjqc-6w8f-h24c"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48735"},{"type":"FIX","url":"https://github.com/py-pdf/pypdf/pull/3796"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:19.626424661Z"}}