{"id":"OSV-2026-532","summary":"Heap-buffer-overflow in regsub","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=499446092\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nregsub\nformat_replace\nformat_expand1\n```\n","modified":"2026-04-05T00:06:36.291504Z","published":"2026-04-05T00:06:36.291055Z","references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=499446092"}],"affected":[{"package":{"name":"tmux","ecosystem":"OSS-Fuzz","purl":"pkg:generic/tmux"},"ranges":[{"type":"GIT","repo":"https://github.com/tmux/tmux.git","events":[{"introduced":"7620c03b7278ed631efa98455c5e116538c23ed7"},{"fixed":"3badbc50e0d1c45ebfca2d2d1fad059a055584a5"},{"fixed":"42dafcc62a9361eeaff286172f0e35d4ece12b5a"}]}],"ecosystem_specific":{"severity":"MEDIUM"},"database_specific":{"fixed_range":"66c324d7ef714e0658ae8525b3f8e4419f211fbe:42dafcc62a9361eeaff286172f0e35d4ece12b5a","introduced_range":"6324dae114a1f8c9e1454914a70cba0ded7f5b34:a30fc69f868fa0adf85b0957fe3f67357fe73d73","source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/tmux/OSV-2026-532.yaml"}}],"schema_version":"1.7.5"}