{"id":"OESA-2026-1211","summary":"opencc security update","details":"Opencc is for between Traditional Chinese and Simplified Chinese characters and phrases conversion library.\r\n\r\nSecurity Fix(es):\n\nA vulnerability was found in BYVoid OpenCC up to 1.1.9 and classified as critical. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. The exploit is available at github.com. It is declared as proof-of-concept. Applying the patch 345c9a50ab07018f1b4439776bad78a0d40778ec is able to eliminate this problem. The bugfix is ready for download at github.com.(CVE-2025-15536)","modified":"2026-08-18T01:19:29.933184249Z","published":"2026-01-23T11:10:14Z","upstream":["CVE-2025-15536"],"database_specific":{"severity":"Medium"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1211"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-15536"}],"affected":[{"package":{"name":"opencc","ecosystem":"openEuler:22.03-LTS-SP4","purl":"pkg:rpm/openEuler/opencc&distro=openEuler-22.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3-3.oe2203sp4"}]}],"ecosystem_specific":{"src":["opencc-1.1.3-3.oe2203sp4.src.rpm"],"x86_64":["opencc-1.1.3-3.oe2203sp4.x86_64.rpm","opencc-debuginfo-1.1.3-3.oe2203sp4.x86_64.rpm","opencc-debugsource-1.1.3-3.oe2203sp4.x86_64.rpm","opencc-devel-1.1.3-3.oe2203sp4.x86_64.rpm","opencc-help-1.1.3-3.oe2203sp4.x86_64.rpm"],"aarch64":["opencc-1.1.3-3.oe2203sp4.aarch64.rpm","opencc-debuginfo-1.1.3-3.oe2203sp4.aarch64.rpm","opencc-debugsource-1.1.3-3.oe2203sp4.aarch64.rpm","opencc-devel-1.1.3-3.oe2203sp4.aarch64.rpm","opencc-help-1.1.3-3.oe2203sp4.aarch64.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2026-1211.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"}]}