{"id":"AZL-99729","summary":"CVE-2026-18238 affecting package libpcap 1.10.6-1","details":"The rpcap client code that processes a RPCAP_MSG_PACKET message received from the server incorrectly validates its headers.  A malicious server can send a crafted message and cause the client to treat up to 20 bytes of the client process memory beyond the end of the buffer as if it was a part of the captured packet.","modified":"2026-09-06T14:18:06.620760082Z","published":"2026-09-05T19:16:55Z","upstream":["CVE-2026-18238"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18238"}],"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-99729.json"}}],"schema_version":"1.9.0"}