CVE-2026-93313

A vulnerability was found in Freedesktop Poppler 26.07.0. The impacted element is the function JBIG2Stream::readCodeTableSeg of the file poppler/JBIG2Stream.cc. Performing a manipulation results in integer overflow. The attack can be initiated remotely. The exploit has been made public and could be used. The patch is named eb87cf711563894649bd0c365baa479401dc6d51. To fix this issue, it is recommended to deploy a patch.

• CWE-189
• CWE-190

• https://github.com/r1ck9-2q/cve_summit/blob/main/Signed-integer-overflow-in-JBIG2Stream-readCodeTableSeg-JBIG2Stream.cc-4118.md
• https://gitlab.freedesktop.org/poppler/poppler/-/commit/eb87cf711563894649bd0c365baa479401dc6d51?merge_request_iid=2322
• https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2322
• https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1760
• https://vuldb.com/cve/CVE-2026-93313
• https://vuldb.com/submit/942346
• https://vuldb.com/vuln/406612
• https://vuldb.com/vuln/406612/cti

Published

Sep 18, 2026

Last Modified

Sep 18, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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