CVE-2026-49461 — pypdf: Possible large memory usage for form XObjects during text extraction
pypdf is a free and open-source pure-python PDF library. Prior to 6.12.2, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This require…
Published: 2026-06-22 · CVSS: 6.9 · CVSS 4.0
pypdf is a free and open-source pure-python PDF library. Prior to 6.12.2, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting the text of a page which contains a form XObject with self-references. This vulnerability is fixed in 6.12.2.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7