Detailed Report: https://oss-fuzz.com/testcase?key=5662930544099328
Project: xvid
Fuzzing Engine: libFuzzer
Fuzz Target: fuzzer-decoder
Job Type: libfuzzer_msan_xvid
Platform Id: linux
Crash Type: Use-of-uninitialized-value
Crash Address:
Crash State:
interpolate8x8_halfpel_h_c
interpolate16x16_switch
decoder_mbinter
Sanitizer: memory (MSAN)
Recommended Security Severity: Medium
Crash Revision: https://oss-fuzz.com/revisions?job=libfuzzer_msan_xvid&revision=201909210420
Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5662930544099328
Issue filed automatically.
See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally.
When you fix this bug, please
* mention the fix revision(s).
* state whether the bug was a short-lived regression or an old bug in any stable releases.
* add any other useful information.
This information can help downstream consumers.
If you need to contact the OSS-Fuzz team with a question, concern, or any other feedback, please file an issue at https://github.com/google/oss-fuzz/issues. Comments on individual Monorail issues are not monitored.
This bug is subject to a 90 day disclosure deadline. If 90 days elapse
without an upstream patch, then the bug report will automatically
become visible to the public.
{"id": "OSSFUZZ-18729", "type": "ossfuzz", "bulletinFamily": "software", "title": "xvid:fuzzer-decoder: Use-of-uninitialized-value in interpolate8x8_halfpel_h_c", "description": "Detailed Report: https://oss-fuzz.com/testcase?key=5662930544099328\n\nProject: xvid\nFuzzing Engine: libFuzzer\nFuzz Target: fuzzer-decoder\nJob Type: libfuzzer_msan_xvid\nPlatform Id: linux\n\nCrash Type: Use-of-uninitialized-value\nCrash Address: \nCrash State:\n interpolate8x8_halfpel_h_c\n interpolate16x16_switch\n decoder_mbinter\n \nSanitizer: memory (MSAN)\n\nRecommended Security Severity: Medium\n\nCrash Revision: https://oss-fuzz.com/revisions?job=libfuzzer_msan_xvid&revision=201909210420\n\nReproducer Testcase: https://oss-fuzz.com/download?testcase_id=5662930544099328\n\nIssue filed automatically.\n\nSee https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally.\nWhen you fix this bug, please\n * mention the fix revision(s).\n * state whether the bug was a short-lived regression or an old bug in any stable releases.\n * add any other useful information.\nThis information can help downstream consumers.\n\nIf you need to contact the OSS-Fuzz team with a question, concern, or any other feedback, please file an issue at https://github.com/google/oss-fuzz/issues. Comments on individual Monorail issues are not monitored.\n\nThis bug is subject to a 90 day disclosure deadline. If 90 days elapse\nwithout an upstream patch, then the bug report will automatically\nbecome visible to the public.", "published": "2019-11-04T16:34:02", "modified": "2019-12-05T16:42:06", "cvss": {}, "href": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18729", "reporter": "Google", "references": [], "cvelist": [], "lastseen": "2020-04-03T13:41:33", "viewCount": 4, "enchantments": {"dependencies": {}, "score": {"value": -0.6, "vector": "NONE"}, "backreferences": {}, "exploitation": null, "vulnersScore": -0.6}, "ossfuzz": {"issue": 18729, "status": "Verified", "project": "xvid", "ref": "https://oss-fuzz.com/revisions?job=libfuzzer_msan_xvid&range=201911030420:201911040535", "crashType": "Use-of-uninitialized-value", "revisions": [], "error": "no_rev"}, "affectedSoftware": [{"name": "xvid", "version": "unknown", "operator": "eq"}], "immutableFields": [], "cvss2": {}, "cvss3": {}, "_state": {"dependencies": 1645819203, "score": 1684000228, "affected_software_major_version": 1677286885, "epss": 1678893030}, "_internal": {"score_hash": "cd67456fd5f323a0fb2eddeba9f7ff08"}}