{"id":"ASB-A-242544249", "published":"2023-04-01T00:00:00Z", "modified":"2026-05-01T15:24:27.653932157Z", "aliases":["CVE-2023-21100", "A-242544249"], "details":"In inflate of inflate.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/angle", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"13-next:0"}, {"fixed":"13-next:2023-04-01"}]}], "versions":["13-next"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/external/angle/+/be373a02bd86e8eebae0b18e0d6a61d145ba8a2e"], "severity":"High", "spl":"2023-04-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["158253382744967794372166426227829451328", "208646129568712116042670616434092925745", "267897132422978847766130599021982102399", "89021460256006972424927287623588351745", "257784892650917064621950304120855216852"], "threshold":0.9}, "id":"ASB-A-242544249-07f3683e", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/angle/+/be373a02bd86e8eebae0b18e0d6a61d145ba8a2e", "target":{"file":"third_party/zlib/contrib/optimizations/inflate.c"}}, {"deprecated":false, "digest":{"line_hashes":["158253382744967794372166426227829451328", "208646129568712116042670616434092925745", "267897132422978847766130599021982102399", "89021460256006972424927287623588351745", "257784892650917064621950304120855216852"], "threshold":0.9}, "id":"ASB-A-242544249-af970915", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/angle/+/be373a02bd86e8eebae0b18e0d6a61d145ba8a2e", "target":{"file":"third_party/zlib/inflate.c"}}]}}, {"package":{"name":"platform/external/angle", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"12:0"}, {"fixed":"12:2023-04-01"}]}], "versions":["12"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/external/angle/+/b8b2479b4456ff06b3d5496818b836af1dc88818"], "severity":"High", "spl":"2023-04-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["158253382744967794372166426227829451328", "208646129568712116042670616434092925745", "267897132422978847766130599021982102399", "89021460256006972424927287623588351745", "257784892650917064621950304120855216852"], "threshold":0.9}, "id":"ASB-A-242544249-56b0216e", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/angle/+/b8b2479b4456ff06b3d5496818b836af1dc88818", "target":{"file":"third_party/zlib/contrib/optimizations/inflate.c"}}, {"deprecated":false, "digest":{"line_hashes":["158253382744967794372166426227829451328", "208646129568712116042670616434092925745", "267897132422978847766130599021982102399", "89021460256006972424927287623588351745", "257784892650917064621950304120855216852"], "threshold":0.9}, "id":"ASB-A-242544249-a553569c", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/angle/+/b8b2479b4456ff06b3d5496818b836af1dc88818", "target":{"file":"third_party/zlib/inflate.c"}}]}}, {"package":{"name":"platform/external/angle", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"12L:0"}, {"fixed":"12L:2023-04-01"}]}], "versions":["12L"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/external/angle/+/4d608de988d2105ea265db2fe3c93d599adf360c"], "severity":"High", "spl":"2023-04-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["158253382744967794372166426227829451328", "208646129568712116042670616434092925745", "267897132422978847766130599021982102399", "89021460256006972424927287623588351745", "257784892650917064621950304120855216852"], "threshold":0.9}, "id":"ASB-A-242544249-2e79a141", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/angle/+/4d608de988d2105ea265db2fe3c93d599adf360c", "target":{"file":"third_party/zlib/inflate.c"}}, {"deprecated":false, "digest":{"line_hashes":["158253382744967794372166426227829451328", "208646129568712116042670616434092925745", "267897132422978847766130599021982102399", "89021460256006972424927287623588351745", "257784892650917064621950304120855216852"], "threshold":0.9}, "id":"ASB-A-242544249-a10b0012", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/angle/+/4d608de988d2105ea265db2fe3c93d599adf360c", "target":{"file":"third_party/zlib/contrib/optimizations/inflate.c"}}]}}, {"package":{"name":"platform/external/angle", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"13:0"}, {"fixed":"13:2023-04-01"}]}], "versions":["13"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/external/angle/+/d738ba585e361ec65a29716931f4cff3eab2b81a"], "severity":"High", "spl":"2023-04-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["158253382744967794372166426227829451328", "208646129568712116042670616434092925745", "267897132422978847766130599021982102399", "89021460256006972424927287623588351745", "257784892650917064621950304120855216852"], "threshold":0.9}, "id":"ASB-A-242544249-8a0850fd", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/angle/+/d738ba585e361ec65a29716931f4cff3eab2b81a", "target":{"file":"third_party/zlib/inflate.c"}}, {"deprecated":false, "digest":{"line_hashes":["158253382744967794372166426227829451328", "208646129568712116042670616434092925745", "267897132422978847766130599021982102399", "89021460256006972424927287623588351745", "257784892650917064621950304120855216852"], "threshold":0.9}, "id":"ASB-A-242544249-d8c6d404", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/external/angle/+/d738ba585e361ec65a29716931f4cff3eab2b81a", "target":{"file":"third_party/zlib/contrib/optimizations/inflate.c"}}]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2023-04-01"}, {"type":"FIX", "url":"https://android.googlesource.com/platform/external/angle/+/6a020bf505f4eb6d860eccf72ae6d6b4c4b720e9"}]}