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Δ / VULNERABILITY RECORD

CVE-2025-25724.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 4No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Aug 12, 2026

Disclosure summary

list_item_verbose in tar/util.c in libarchive through 3.7.7 does not check an strftime return value, which can lead to a denial of service or unspecified other impact via a crafted TAR archive that is read with a verbose value of 2. For example, the 100-byte buffer may not be sufficient for a custom locale.

Source-reported weakness categories

CWE-252

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) · 2025-Mar

Open original source · Updated Aug 12, 2026

list_item_verbose in tar/util.c in libarchive through 3.7.7 does not check an strftime return value, which can lead to a denial of service or unspecified other impact via a crafted TAR archive that is read with a verbose value of 2. For example, the 100-byte buffer may not be sufficient for a custom locale.

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

Microsoft maximum product score: 4

VendorProduct / associationVersion / bounds
Microsoft update guidecbl2 libarchive 3.6.1-6 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 libarchive 3.6.1-5 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 libarchive 3.7.7-2 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 libarchive 3.6.1-6 on CBL-Mariner 2.0 (MSRC status code 3)

Vendor remediation references

  • CBL-Mariner Releases · build 3.6.1-5 · product IDs 19704-17086, 19366-16823, 19704-21692
  • Vendor guidance · product IDs 19704-17086, 19366-16823, 19704-21692
  • CBL-Mariner Releases · build 3.7.7-2 · product IDs 19277-17084
  • Vendor guidance · product IDs 19277-17084

Original records & references

PUBLISHED 2025-03-18T20:00:00-04:00
MODIFIED 2026-08-12T20:10:04-04:00
INGESTED 2026-10-08T12:50:09-04:00