Source: glibc
X-Debbugs-CC: [email protected]
Severity: important
Tags: security

Hi,

The following vulnerability was published for glibc.

CVE-2026-97399[0]:
| The strncasecmp function in the GNU C Library 2.24 and later
| optimized for the Power8 architecture may read one byte beyond the
| input size limit, which may crash a program when that byte is not
| readable.  This condition may happen when the input strings to the
| strncasecmp function are attacker controlled in an application and
| they match all the way up to the edge of their page and the
| neighbouring page is either not mapped or is not readable.

https://sourceware.org/bugzilla/show_bug.cgi?id=34683
https://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2026-0024


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-97399
    https://www.cve.org/CVERecord?id=CVE-2026-97399

Please adjust the affected versions in the BTS as needed.

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