Critical Vulnerabilities in Perl's Archive::Tar Module Affect Multiple Linux Distributions
ID: 150c8886-e7ae-584c-be9a-d810d7d492c2
STIX ID: report--150c8886-e7ae-584c-be9a-d810d7d492c2
Feed Name: ThreatCluster
Threat Score
Critical vulnerabilities in Perl's Archive::Tar module (CVE-2026-42496, CVE-2026-42497, CVE-2026-9538) affecting multiple Linux distributions including Ubuntu and Mageia were disclosed on May 26, 2026; the flaws allow unauthorized file access via symlink/hardlink extraction and memory exhaustion via crafted tar headers, and patches are available—administrators should update immediately to avoid potential service disruption.
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