========================================================================== Ubuntu Security Notice USN-7972-1 January 21, 2026
opencc vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: OpenCC could be made to crash if it received specially crafted input. Software Description: - opencc: simplified-traditional Chinese conversion library Details: It was discovered that OpenCC incorrectly handled truncated UTF-8 input. An attacker could possibly use this issue to cause OpenCC to crash, resulting in a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 libopencc1.1 1.1.9+ds1-2ubuntu0.1 opencc 1.1.9+ds1-2ubuntu0.1 Ubuntu 24.04 LTS libopencc1.1 1.1.7+ds1-1ubuntu0.1 opencc 1.1.7+ds1-1ubuntu0.1 Ubuntu 22.04 LTS libopencc1.1 1.1.3+ds1-3ubuntu3.1 opencc 1.1.3+ds1-3ubuntu3.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7972-1 CVE-2025-15536 Package Information: https://launchpad.net/ubuntu/+source/opencc/1.1.9+ds1-2ubuntu0.1 https://launchpad.net/ubuntu/+source/opencc/1.1.7+ds1-1ubuntu0.1 https://launchpad.net/ubuntu/+source/opencc/1.1.3+ds1-3ubuntu3.1
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Description: OpenPGP digital signature
