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Package "bison"

Name: bison

Description:

YACC-compatible parser generator
Latest version: 2:3.8.2+dfsg-1ubuntu0.22.04.1
Release: jammy (22.04)
Level: security
Repository: main
Homepage: https://www.gnu.org/software/bison/

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base main 2:3.8.2+dfsg-1build1

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Changelog

Version: 2:3.8.2+dfsg-1ubuntu0.22.04.1 2026-09-17 14:07:44 UTC

bison (2:3.8.2+dfsg-1ubuntu0.22.04.1) jammy-security; urgency=medium

  * SECURITY UPDATE: Arbitrary Code Execution
    - debian/patches/CVE-2026-56389.patch: html: use xsltproc from PATH in
      src/print-xml.c, src/reader.c.
    - CVE-2026-56389

 -- John Breton Wed, 16 Sep 2026 09:15:37 -0400
CVE-2026-56389 GNU Bison allows for an execution of an arbitrary program during HTML report generation due to improper handling of grammar-defined configuration var


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