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Δ / VULNERABILITY RECORD

CVE-2026-33055.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSUnscoredNo severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Sep 24, 2026

Disclosure summary

tar-rs incorrectly ignores PAX size headers if header size is nonzero

Source-reported weakness categories

CWE-843

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 Sep 24, 2026

tar-rs incorrectly ignores PAX size headers if header size is nonzero

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

VendorProduct / associationVersion / bounds
Microsoft update guidecbl2 kata-containers 3.2.0.azl2-7 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 kata-containers-cc 3.2.0.azl2-8 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 kata-containers-cc 3.15.0.aks0-7 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 rpm-ostree 2022.1-8 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 rust 1.75.0-25 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 trident 0.21.0-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 kata-containers-cc 3.15.0.aks0-8 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 rust 1.72.0-15 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 rust 1.75.0-27 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 rust 1.90.0-6 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 rpm-ostree 2024.4-10 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 clamav 1.5.2-2 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 rust 1.72.0-15 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 guideazl3 rpm-ostree 2024.4-6 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 rust 1.90.0-4 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 rpm-ostree 2024.4-8 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 clamav 1.5.2-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 rpm-ostree 2022.1-8 on CBL-Mariner 2.0 (MSRC status code 3)

Vendor remediation references

  • CBL-Mariner Releases · build 2022.1-9 · product IDs 20878-17086
  • Vendor guidance · product IDs 20878-17086
  • CBL-Mariner Releases · build 0.22.0-1 · product IDs 20955-17084
  • Vendor guidance · product IDs 20955-17084
  • CBL-Mariner Releases · build 1.72.0-16 · product IDs 21108-17086
  • Vendor guidance · product IDs 21108-17086
  • CBL-Mariner Releases · build 1.75.0-28 · product IDs 21110-17084
  • Vendor guidance · product IDs 21110-17084
  • CBL-Mariner Releases · build 1.90.0-7 · product IDs 21123-17084
  • Vendor guidance · product IDs 21123-17084
  • CBL-Mariner Releases · build 2024.4-10 · product IDs 21254-17084, 21136-17084
  • Vendor guidance · product IDs 21254-17084, 21136-17084
  • CBL-Mariner Releases · build 1.5.2-2 · product IDs 21255-17084, 21223-17084
  • Vendor guidance · product IDs 21255-17084, 21223-17084
  • Release Notes · build 1.72.0-16 · product IDs 21108-21692
  • Vendor guidance · product IDs 21108-21692
  • Release Notes · build 2022.1-9 · product IDs 20878-21692
  • Vendor guidance · product IDs 20878-21692

Original records & references

PUBLISHED 2026-03-24T21:02:18-04:00
MODIFIED 2026-09-24T22:10:41-04:00
INGESTED 2026-10-08T12:45:09-04:00