USN-5291-1: libarchive vulnerabilities
It was discovered that libarchive incorrectly handled symlinks. If a
user or automated system were tricked into processing a specially crafted
archive, an attacker could possibly use this issue to change modes, times,
ACLs, and flags on arbitrary files. (CVE-2021-23177, CVE-2021-31566)
It was discovered that libarchive incorrectly handled certain RAR archives.
If a user or automated system were tricked into processing a specially
crafted RAR archive, an attacker could use this issue to cause libarchive
to crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2021-36976)
Source: USN-5291-1: libarchive vulnerabilities
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