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Δ / VULNERABILITY RECORD

CVE-2026-3381.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSCRITICAL / 9.8No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Mar 25, 2026

Disclosure summary

Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib

Source-reported weakness categories

CWE-1395

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

Microsoft Security Updates (CVRF) · 2026-Mar

Open original source · Updated Mar 25, 2026

Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib

Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.

Microsoft maximum product score: 9.8

VendorProduct / associationVersion / bounds
Microsoft update guidecbl2 cloud-hypervisor 32.0-7 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 cloud-hypervisor-cvm 38.0.72.2-5 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 conda 4.11.0-1 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 erlang 25.3.2.21-4 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 cloud-hypervisor 48.0.246-3 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 erlang 26.2.5.17-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 kata-containers 3.19.1.kata2-6 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 rubygem-mini_portile2 2.8.0-1 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 rust 1.72.0-14 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 tcl 8.6.13-3 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 zlib 1.2.13-2 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 rubygem-mini_portile2 2.8.4-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 tcl 8.6.13-3 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 zlib 1.3.1-1 on Azure Linux 3.0 (MSRC status code 3)

Vendor remediation references

  • CBL-Mariner Releases · build 1.3.2-1 · product IDs 18109-17084
  • Vendor guidance · product IDs 18109-17084

Original records & references

PUBLISHED 2026-03-06T20:03:39-05:00
MODIFIED 2026-03-25T21:39:38-04:00
INGESTED 2026-10-08T12:45:09-04:00