CVE Watch15 jul 2026

CVE-2026-42496

Archive::Tar versions before 3.08 for Perl extract symlinks with attacker controlled targets outside the extraction directory. _make_specia

CVSS

9.1

Crítico

EPSS

0.4%

p35

KEV

—

Exploit Today

0-100

Publicado: 26 may 2026 · Última mod.: 15 jul 2026 · CWE-59 · CWE-22

EPSS · 30d

0.4%EPSS · 30 días0.4%

2026-06-302026-07-18

Descripción técnica

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.

Referencias oficiales

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