{"id":"ASB-A-505000651", "published":"2026-09-01T00:00:00Z", "modified":"2026-09-10T15:43:18.983809180Z", "aliases":["CVE-2026-55294", "A-505000651"], "details":"In ihevcd_get_tu_data_size of ihevcd_utils.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.", "affected":[{"package":{"name":"platform/external/libhevc", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"17-next:0"}, {"fixed":"17-next:2026-09-01"}]}], "versions":["17-next"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/external/libhevc/+/ffc26dcdf3206e23b11e0820066a6c83732adc25"], "severity":"High", "spl":"2026-09-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["37024804441686510328907379308902825293", "38871093222115889223987085505646429980", "37538706351115388229078593855276826255", "82659660966223890994995672664636585838"], "threshold":0.9}, "id":"ASB-A-505000651-e6e09c93", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/libhevc/+/ffc26dcdf3206e23b11e0820066a6c83732adc25", "target":{"file":"decoder/ihevcd_utils.c"}}]}}, {"package":{"name":"platform/external/libhevc", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"15:0"}, {"fixed":"15:2026-09-01"}]}], "versions":["15"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/external/libhevc/+/9c961b6658fba859843a63accdd635284fd3d55a"], "severity":"High", "spl":"2026-09-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["37024804441686510328907379308902825293", "38871093222115889223987085505646429980", "37538706351115388229078593855276826255", "82659660966223890994995672664636585838"], "threshold":0.9}, "id":"ASB-A-505000651-cb683dfb", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/libhevc/+/9c961b6658fba859843a63accdd635284fd3d55a", "target":{"file":"decoder/ihevcd_utils.c"}}]}}, {"package":{"name":"platform/external/libhevc", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"16:0"}, {"fixed":"16:2026-09-01"}]}], "versions":["16"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/external/libhevc/+/70bbd53ff780ea811ca83271d549b049fd0c2ed3"], "severity":"High", "spl":"2026-09-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["37024804441686510328907379308902825293", "38871093222115889223987085505646429980", "37538706351115388229078593855276826255", "82659660966223890994995672664636585838"], "threshold":0.9}, "id":"ASB-A-505000651-203adcad", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/libhevc/+/70bbd53ff780ea811ca83271d549b049fd0c2ed3", "target":{"file":"decoder/ihevcd_utils.c"}}]}}, {"package":{"name":"platform/external/libhevc", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"16-qpr2:0"}, {"fixed":"16-qpr2:2026-09-01"}]}], "versions":["16-qpr2"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/external/libhevc/+/e9cc833ec2b4ec7a8a2531d1ae213eb8c105f9b9"], "severity":"High", "spl":"2026-09-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["37024804441686510328907379308902825293", "38871093222115889223987085505646429980", "37538706351115388229078593855276826255", "82659660966223890994995672664636585838"], "threshold":0.9}, "id":"ASB-A-505000651-42613bab", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/libhevc/+/e9cc833ec2b4ec7a8a2531d1ae213eb8c105f9b9", "target":{"file":"decoder/ihevcd_utils.c"}}]}}, {"package":{"name":"platform/external/libhevc", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"17:0"}, {"fixed":"17:2026-09-01"}]}], "versions":["17"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/external/libhevc/+/c551ae45f0c651eab9262782a2726b21d46683cd"], "severity":"High", "spl":"2026-09-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["37024804441686510328907379308902825293", "38871093222115889223987085505646429980", "37538706351115388229078593855276826255", "82659660966223890994995672664636585838"], "threshold":0.9}, "id":"ASB-A-505000651-3585a362", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/libhevc/+/c551ae45f0c651eab9262782a2726b21d46683cd", "target":{"file":"decoder/ihevcd_utils.c"}}]}}, {"package":{"name":"platform/external/libhevc", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"14:0"}, {"fixed":"14:2026-09-01"}]}], "versions":["14"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/external/libhevc/+/ada940e51fc5c5997e6cf73df3791c67ff81c976"], "severity":"High", "spl":"2026-09-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["37024804441686510328907379308902825293", "38871093222115889223987085505646429980", "37538706351115388229078593855276826255", "82659660966223890994995672664636585838"], "threshold":0.9}, "id":"ASB-A-505000651-60a49bd7", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/libhevc/+/ada940e51fc5c5997e6cf73df3791c67ff81c976", "target":{"file":"decoder/ihevcd_utils.c"}}]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2026-09-01"}]}