Description (CNA)
Archive::Tar versions before 3.08 for Perl extract symlinks with attacker controlled targets outside the extraction directory. _make_special_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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| BINGOS / Archive::Tar | affected 0 before 3.08 |
CWE
CWE-59
References
- https://github.com/jib/archive-tar-new/commit/17c873492a05eddc0de18c1485e0b2cccd5a9158.patch
- https://metacpan.org/release/BINGOS/Archive-Tar-3.08/changes
- https://www.cve.org/CVERecord?id=CVE-2026-42497
ADP enrichment
No English description supplied.
No references supplied.
A flaw was found in perl-Archive-Tar. Versions before 3.08 for Perl are vulnerable to a path traversal issue. An attacker can craft a malicious tar archive containing symlinks with targets outside the intended extraction directory. This vulnerability allows the attacker to read or write to arbitrary files on the system, leading to potential information disclosure or data corruption.
- https://access.redhat.com/security/cve/CVE-2026-42496
- https://bugzilla.redhat.com/show_bug.cgi?id=2481314
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42496.json
- https://access.redhat.com/errata/RHSA-2026:30857
- https://access.redhat.com/errata/RHSA-2026:30851
- https://access.redhat.com/errata/RHSA-2026:30856
- https://access.redhat.com/errata/RHSA-2026:30852