{"id":"CVE-2021-0563","aliases":["A-172908358","EUVD-2021-3182","GHSA-27xw-w55h-qcr4","PUB-A-172908358"],"status":"published","title":"In ih264e_fmt_conv_422i_to_420sp of ih264e_fmt_conv.c, there is a possible out of bounds read due...","description":"In ih264e_fmt_conv_422i_to_420sp of ih264e_fmt_conv.c, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-172908358","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00121,"percentile":0.01881,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2021-06-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/external/libavc","fixed_in":["11:2021-06-01"],"sources":["osv"]},{"ecosystem":"Android","package":"platform/frameworks/av","fixed_in":["11:2021-06-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/external/libavc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2021-06-01"}]}],"versions":["11"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/av","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2021-06-01"}]}],"versions":["11"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2021-06-01","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0563"},{"url":"https://github.com/advisories/GHSA-27xw-w55h-qcr4"},{"url":"https://source.android.com/security/bulletin/2021-06-01","tags":["advisory"]},{"url":"https://android.googlesource.com/platform/external/libavc/+/a073696092f26e5060af792b917738602d85686d","tags":["fix"]},{"url":"https://android.googlesource.com/platform/frameworks/av/+/af7ae3bf72c9cac13616959247dd3c51b2bc08d4","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-0563","description":"In ih264e_fmt_conv_422i_to_420sp of ih264e_fmt_conv.c, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-172908358","status":"published","published":"2021-06-22T11:01:00Z","modified":"2024-08-03T15:47:27.781Z","updated_at":"2026-11-02T14:33:10.555814Z"}],"euvd":[{"id":"EUVD-2021-3182","description":"In ih264e_fmt_conv_422i_to_420sp of ih264e_fmt_conv.c, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-172908358","status":"published","published":"2021-06-22T11:01:00Z","modified":"2024-08-03T15:47:27Z","updated_at":"2026-11-03T03:25:16.987587Z"}],"ghsa":[{"id":"GHSA-27xw-w55h-qcr4","title":"In ih264e_fmt_conv_422i_to_420sp of ih264e_fmt_conv.c, there is a possible out of bounds read due...","description":"In ih264e_fmt_conv_422i_to_420sp of ih264e_fmt_conv.c, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-172908358","status":"published","published":"2022-05-24T19:05:56Z","modified":"2023-01-29T05:07:06Z","cwes":["CWE-125"],"updated_at":"2026-11-02T14:46:09.170985Z"}],"nvd":[{"id":"CVE-2021-0563","description":"In ih264e_fmt_conv_422i_to_420sp of ih264e_fmt_conv.c, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-172908358","status":"published","published":"2021-06-22T11:15:08.46Z","modified":"2026-06-17T03:30:19.92Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:06:54.892562Z"}],"osv":[{"id":"PUB-A-172908358","description":"In ih264e_fmt_conv_422i_to_420sp of ih264e_fmt_conv.c, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2021-06-01T00:00:00Z","modified":"2026-11-05T16:32:28.703711716Z","updated_at":"2026-11-05T17:55:17.023074Z"}]}}