{"id":"AZL-105558","summary":"CVE-2026-102559 affecting package libsoup 3.4.4-16","details":"A flaw was found in libsoup. When constructing a masked WebSocket client frame for a very large outgoing payload, size values passed to GByteArray allocation APIs could be truncated while the masking routine still used the full length, causing a heap buffer overflow.","modified":"2026-10-05T05:34:30Z","published":"2026-09-29T18:17:08Z","upstream":["CVE-2026-102559"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102559"}],"affected":[{"package":{"name":"libsoup","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/libsoup"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.4.4-16"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-105558.json"}}],"schema_version":"1.9.0"}