{"id":"UBUNTU-CVE-2026-82821","details":"A vulnerability was determined in FLVMeta up to 1.2.2. Affected by this vulnerability is the function amf_object_get of the file src/amf.c of the component AMF Object Parsing. This manipulation causes null pointer dereference. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 52642f7dfb76ec7334016622dde60b1ae963d79b. To fix this issue, it is recommended to deploy a patch. The project maintainer doubts the security impact: \"While I acknowledged the bugs and provided fixes, I have yet to see any way to exploit these alleged vulnerabilities.\"","modified":"2026-09-02T16:28:28Z","published":"2026-08-31T19:17:00Z","upstream":["CVE-2026-82821"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-82821"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-82821"},{"type":"REPORT","url":"https://github.com/noirotm/flvmeta/issues/28"},{"type":"REPORT","url":"https://github.com/noirotm/flvmeta/commit/52642f7dfb76ec7334016622dde60b1ae963d79b"},{"type":"REPORT","url":"https://github.com/raind20001020/Poc/blob/main/flvmeta_SEGV"},{"type":"REPORT","url":"https://vuldb.com/cve/CVE-2026-82821"},{"type":"REPORT","url":"https://vuldb.com/submit/876597"},{"type":"REPORT","url":"https://vuldb.com/vuln/397244"},{"type":"REPORT","url":"https://vuldb.com/vuln/397244/cti"}],"affected":[{"package":{"name":"flvmeta","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/flvmeta?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.2-1"],"ecosystem_specific":{"binaries":[{"binary_name":"flvmeta","binary_version":"1.1.2-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82821.json"}},{"package":{"name":"flvmeta","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/flvmeta?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2.1-1","binary_name":"flvmeta"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82821.json"}},{"package":{"name":"flvmeta","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/flvmeta?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"flvmeta","binary_version":"1.2.1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82821.json"}},{"package":{"name":"flvmeta","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/flvmeta?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"flvmeta","binary_version":"1.2.1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82821.json"}},{"package":{"name":"flvmeta","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/flvmeta?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.1-1","1.2.1-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"flvmeta","binary_version":"1.2.1-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82821.json"}},{"package":{"name":"flvmeta","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/flvmeta?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.2-1","1.2.2-1build1","1.2.2-2"],"ecosystem_specific":{"binaries":[{"binary_name":"flvmeta","binary_version":"1.2.2-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82821.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"},{"type":"Ubuntu","score":"medium"}]}