{"schema_version":"1.9.1","id":"OSV-2022-336","published":"2022-04-12T00:00:32.150063Z","modified":"2026-10-19T14:30:19.309690Z","summary":"Use-of-uninitialized-value in grk::N_SCALAR::DecompressIrrev::vtrans","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=46594\n\nCrash type: Use-of-uninitialized-value\nCrash state:\ngrk::N_SCALAR::DecompressIrrev::vtrans\nunsigned long grk::N_SCALAR::vscheduler<grk::N_SCALAR::DecompressIrrev>\nstd::__1::__function::__func<unsigned long grk::N_SCALAR::vscheduler<grk::N_SCAL\n","affected":[{"package":{"name":"grok","ecosystem":"OSS-Fuzz","purl":"pkg:generic/grok"},"ranges":[{"type":"GIT","repo":"https://github.com/GrokImageCompression/grok.git","events":[{"introduced":"6b45934c6d0682de97d8e9652da85213648f9df8"}]}],"versions":["v9.7.5.debian","v9.7.6","v9.7.7","v9.7.8","v10.0.0","v10.0.0.debian","v10.0.1","v10.0.2","v10.0.3","v10.0.4","v10.0.5","v10.0.5.debian","v10.0.6","v10.0.7","v10.0.8"],"ecosystem_specific":{"severity":"MEDIUM"},"database_specific":{"source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2022-336.yaml"}}],"references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=46594"}]}