Out-of-bounds Write The advisory has been revoked - it doesn't affect any version of package glibc-2.43 (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published21 Aug 2026
- disclosed20 Apr 2026
Introduced: 20 Apr 2026
CVE-2026-5450 (opens in a new tab)Amendment
The Wolfi security team deemed this advisory irrelevant for Wolfi:latest.
NVD Description
Note: Versions mentioned in the description apply only to the upstream glibc-2.43 package and not the glibc-2.43 package as distributed by Wolfi.
Calling the scanf family of functions with a %mc (malloc'd character match) in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one byte heap buffer overflow.