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Addressing Buffer Overflow Risks in Fedora 43 OpenCC CVE-2025-15536

fedora
Calendar Grey February 1, 2026
Dist Fedora Esm H88
Critical security fix for opencc in Fedora 43 addressing heap overflow vulnerability CVE-2025-15536.
Fix CVE-2025-15536

Summary

OpenCC is a library for converting characters and phrases between

Traditional Chinese and Simplified Chinese.

Update Information:

Fix CVE-2025-15536

Change Log

* Thu Jan 22 2026 Peng Wu - 1.1.9-5 - Add opencc-fixes-CVE.patch - Resolves: RHBZ#2430839

References


[ 1 ] Bug #2430839 - CVE-2025-15536 opencc: BYVoid OpenCC MaxMatchSegmentation.cpp MaxMatchSegmentation heap-based overflow [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2430839

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-b627cd8944' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
critical
Lowest
Low
Medium
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Critical

Name: opencc
Product: Fedora 43
Version: 1.1.9
Release: 5.fc43
Summary: Libraries for Simplified-Traditional Chinese Conversion

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