Detections
Analytics
CVE-2026-17591
low
Description
A flaw was found in libarchive. An attacker can cause a Denial of Service (DoS) or potential information disclosure due to a use-after-free vulnerability, which occurs when a program reads memory that has already been released. This issue arises when the archive_entry_copy_mac_metadata() function deallocates an internal buffer before completing a data copy. An attacker who can supply input to an application utilizing this function can trigger the flaw to crash the application or read uninitialized memory data.
References
https://github.com/libarchive/libarchive/pull/3318
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-103190
https://bugzilla.redhat.com/show_bug.cgi?id=2554209