CVE-2026-107705

MediumCVSS 6.5/10Last modified Oct 14, 2026

Description

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. Attackers can supply a password longer than 127 bytes through applications using the libpoppler, libpoppler-glib or C++ API to overflow the K1 and E buffers, crashing the process or corrupting memory.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

Weakness enumeration

CWE-121

Affected software

No affected versions have been published.

Timeline

Published: Oct 8, 2026
Last modified: Oct 14, 2026
NVD status: Deferred

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