Rocky Linux 9.6 [TuxCare] Security Update: compat-libpthread-nonshared / glibc / glibc-all-langpacks / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1776176227)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1776176227 advisory. - Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C...

Rocky Linux 10 [CIQ] Security Update: glibc / glibc-all-langpacks / glibc-benchtests / etc Multiple Vulnerabilities (crlsa-2026_19061)

The Rocky Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202619061 advisory. glibc: glibc: Incorrect DNS response parsing via crafted DNS server response CVE-2026-4437 glibc: glibc: Invalid DNS hostname returned via gethostbyaddr...

CVE-2026-4438

Calling gethostbyaddr or gethostbyaddrr 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 hostname being returned to the caller in violation of the DNS specification...

CVE-2026-4438: Improper Input Validation

Calling gethostbyaddr or gethostbyaddrr 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 hostname being returned to the caller in violation of the DNS specification...