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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.

🗓️ 11 Jul 2025 07:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 1 Views

Assert failure in GNU C Library 2.13–2.40 may overflow buffer due to insufficient space for message and size.

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Rows per page
Vulners
Node
microsoftcbl2_glibc_2.35-9Range<2.35-8
OR
microsoftazl3_glibc_2.38-11Range<2.38-11
OR
microsoftcbl2_glibc_2.35-7Range<2.35-8
OR
microsoftcbl2_glibc_2.35-7Range<2.35-8

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18 Feb 2026 10:37Current
7High risk
Vulners AI Score7
CVSS 3.12.9 - 6.2
EPSS0.00073
SSVC
gnu c libraryassert failurebuffer overflowversion range 2.13-2.40
1