{"id":"AZL-80403","summary":"CVE-2026-4424 affecting package libarchive for versions less than 3.7.7-6","details":"A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this by providing a specially crafted RAR archive, leading to the disclosure of sensitive heap memory information without requiring authentication or user interaction.","modified":"2026-09-02T06:51:55Z","published":"2026-03-19T15:16:28Z","upstream":["CVE-2026-4424"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4424"}],"affected":[{"package":{"name":"libarchive","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/libarchive"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.7-6"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-80403.json"}}],"schema_version":"1.9.0"}