{"id":"AZL-99744","summary":"CVE-2026-0799 affecting package libpcap 1.10.6-1","details":"In BPF instructions that load/store a value from/to a scratch memory register the register index is an unsigned 32-bit integer and must not exceed 15, but libpcap BPF interpreter does not validate the value.  In particular uncommon use cases a crafted filter program can cause the interpreter to try reading and writing the OS process memory in the 16GiB starting at the current stack frame on 64-bit architectures and in the entire address space on 32-bit architectures.","modified":"2026-09-06T14:18:06.629482973Z","published":"2026-09-05T19:16:55Z","upstream":["CVE-2026-0799"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0799"}],"affected":[{"package":{"name":"libpcap","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/libpcap"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.10.6-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-99744.json"}}],"schema_version":"1.9.0"}