{"id":"OSV-2020-448","aliases":[],"status":"published","title":"Heap-use-after-free in read_chunks_before_idat","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16051\n\n```\nCrash type: Heap-use-after-free READ 2\nCrash state:\nread_chunks_before_idat\nget_ancillary\nspng_decoded_image_size\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2020-07-01T00:00:10.15977Z","modified":"2022-04-13T03:04:33Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"libspng","ranges":[{"type":"GIT","events":[{"introduced":"cba3f1c1a704609f47090b46858b08732ad5ab6d"},{"fixed":"d876b1d23f0642304c758194045889a19ea823a0"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16051","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2020-448","title":"Heap-use-after-free in read_chunks_before_idat","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16051\n\n```\nCrash type: Heap-use-after-free READ 2\nCrash state:\nread_chunks_before_idat\nget_ancillary\nspng_decoded_image_size\n```\n","status":"published","published":"2020-07-01T00:00:10.15977Z","modified":"2022-04-13T03:04:33.677865Z","updated_at":"2026-11-02T15:52:48.780247Z"}]}}