What is CVE-2026-9538?

CVE-2026-9538 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Archive::Tar versions before 3.10 for Perl allow memory exhaustion via attacker controlled entry size field in tar header

Which CVE IDs does CVE-2026-9538 cover?

CVE-2026-9538 covers the following CVE IDs: CVE-2026-9538. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-9538?

CVE-2026-9538 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-9538HighCVSS 7.5

Archive::Tar versions before 3.10 for Perl allow memory exhaustion via attacker controlled entry size field in tar header

Vendor

Microsoft Security Response Center (MSRC)

Published

June 1, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-9538 →