[Bug stdio/34529] New: Missing fortify support in nldbl sprintf wrappers

fweimer at redhat dot com via Glibc-bugs <[email protected]> Mon, 17 Aug 2026 11:45:10 +0000

Newsgroups	gmane.comp.lib.glibc.bugs
Message-ID	<[email protected]/bugzilla/>

https://sourceware.org/bugzilla/show_bug.cgi?id=34529

            Bug ID: 34529
           Summary: Missing fortify support in nldbl sprintf wrappers
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: stdio
          Assignee: unassigned at sourceware dot org
          Reporter: fweimer at redhat dot com
  Target Milestone: ---
             Flags: security-

Created attachment 16943
  --> https://sourceware.org/bugzilla/attachment.cgi?id=16943&action=edit
RHEL-215280.html

PRINTF_CHK is not set.

This is not a vulnerability per SECURITY.md.

I've been told to forward this and say: Found by AISLE in partnership with Red
Hat

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