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Red Hat Security Advisory

RHSA-2026:80172

Red Hat Hardened Images RPMs Security Update

Released 2026-10-09 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Fixes 1 record

Priority LOW 36

Poppler 0.42.0 through 26.10.0 contains a stack-based buffer overflow in Decrypt::revision6Hash() that allows attackers controlling the password to overwrite stack memory when opening AESV3/R6 encrypted PDFs.

CVSS 4.0HIGH 8.3 Network No auth No interaction EPSS 0.00324 Published 2026-10-08 Partial fix CWE-121