CVE-2026-113794

pypdf: pypdf is a free and open-source pure-python PDF library

CVE-2026-113794 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-113794, released October 24, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0035
29th percentile

pypdf is a free and open-source pure-python PDF library. Prior to 6.20.0, an attacker can craft an incomplete PDF that ends inside a standard cross-reference table, causing pypdf to mishandle the unexpected end of file and enter an infinite loop. This issue is fixed in version 6.20.0.

Where it's fixed

ProductFixed inFixReleased
Linux
pypdf · Debian 14 6.21.0-1 DEBIAN-CVE-2026-113794 Oct 24, 2026
python-pypdf · opensuse-leap 16.0 6.19.0-bp160.2.1 OPENSUSE-SU-2026:22188-1 Nov 7, 2026

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