PT-2026-120633 · Py Pdf+1 · Pypdf
CVE-2026-113786
·
Published
2026-10-21
·
Updated
2026-10-21
CVSS v4.0
2.3
Low
| Vector | AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N |
Impact
An attacker who uses this vulnerability can craft a PDF which leads to arbitrary image parsers being called. This requires loading an image which claims to use the
/DCTDecode filter (JPEG data).Users which do not have the optional Pillow dependency installed in their environment are not affected.
Patches
This has been fixed in pypdf==6.21.1.
Workarounds
If you cannot upgrade yet, consider applying the changes from PR #4222.
Fix
RCE
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Related Identifiers
Affected Products
Pypdf