CVE
CVE-2026-42496
CVE-2026-42496 perl
Archive::Tar versions before 3.08 for Perl extract symlinks with attacker controlled targets outside the extraction directory. makespecial_file() passes the tar header's linkname to symlink() without validating it against absolute paths or .. segments. The secure-extract mode check that guards regular file extraction does not cover the symlink target. A subsequent open through the extracted name reads or writes the attacker chosen path.
Package Versions Affected
Package Version
patch Availability
No items found.
Automatically patch vulnerabilities without upgrading
Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request
CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.1
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
C
H
U
-
C
H
U
-
Related Resources
No items found.
References
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-42496
Basic Information
Ecosystem
