What is CVE-2026-8376?

CVE-2026-8376 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Perl versions through 5.43.10 have a heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit builds

Which CVE IDs does CVE-2026-8376 cover?

CVE-2026-8376 covers the following CVE IDs: CVE-2026-8376. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-8376?

CVE-2026-8376 has a CVSS v3 base score of 5.7, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-8376?

CVE-2026-8376 affects 2 products, including: azl3 perl 5.38.2-509 on Azure Linux 3.0; azl3 perl 5.38.2-512 on Azure Linux 3.0.

CVE-2026-8376MediumCVSS 5.7

Perl versions through 5.43.10 have a heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit builds

Vendor

Microsoft Security Response Center (MSRC)

Published

May 28, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-8376 →

🎯 Affected products2

azl3 perl 5.38.2-509 on Azure Linux 3.0
azl3 perl 5.38.2-512 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 5.38.2-511 KBCBL-Mariner Releases (Security Update) — fixed build 5.38.2-512

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-8376
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade