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Δ / VULNERABILITY RECORD

CVE-2025-0395.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSLOW / 2.9No 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

When the assert() function in the GNU C Library versions 2.13 to 2.40 fails, it does not allocate enough space for the assertion failure message string and size information, which may lead to a buffer overflow if the message string size aligns to page size.

Source-reported weakness categories

CWE-131

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-Jan

Open original source · Updated Aug 12, 2026

When the assert() function in the GNU C Library versions 2.13 to 2.40 fails, it does not allocate enough space for the assertion failure message string and size information, which may lead to a buffer overflow if the message string size aligns to page size.

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

Microsoft maximum product score: 2.9

VendorProduct / associationVersion / bounds
Microsoft update guideazl3 glibc 2.38-11 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 glibc 2.35-7 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 glibc 2.35-9 on CBL-Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 glibc 2.35-7 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guidecbl2 glibc 2.35-9 on CBL Mariner 2.0 (MSRC status code 3)

Vendor remediation references

  • CBL-Mariner Releases · build 2.38-11 · product IDs 19587-17084
  • Vendor guidance · product IDs 19587-17084
  • CBL-Mariner Releases · build 2.35-8 · product IDs 19876-17086, 20868-21692, 17348-17086, 20868-17086
  • Vendor guidance · product IDs 19876-17086, 20868-21692, 17348-17086, 20868-17086

Original records & references

PUBLISHED 2025-07-10T20:00:00-04:00
MODIFIED 2026-08-12T19:38:14-04:00
INGESTED 2026-10-08T12:50:16-04:00