The GNU C Library
The GNU C Library Security Releases - March 2026
the-gnu-c-library-2026-03 Mar 1, 2026 Source: Vendor
The GNU C Library security advisories for March 2026, compiled from CVE.org records.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://www.cve.org/CVERecord?id=CVE-2026-3904
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Credited
4 lines
Showing 1–4 of 4
CVE-2026-4046
BR2026-0000-032168
glibc
unclaimed
The iconv() function in the GNU C Library versions 2.43 and earlier may crash due to an assertion failure when converting inputs from the IBM1390 or IBM1399 character sets, which may be used to rem...
Credited as Rocket Ma
CVE-2026-4437
BR2026-0000-032169
glibc
unclaimed
Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response fr...
Credited as Antonio Maini (0rbitingZer0) - 0rbitingZer0@proton.me
CVE-2026-4437
BR2026-0000-032170
glibc
unclaimed
Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response fr...
Credited as Kevin Farrell
CVE-2026-4438
BR2026-0000-032171
glibc
unclaimed
Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS ho...
Credited as Antonio Maini (0rbitingZer0) - 0rbitingZer0@proton.me