This update for glibc fixes the following issues:
- CVE-2026-8674: reachable assert in `resolv/resolv_conf.c:update_from_conf` allows an attacker in a local network to
trigger a process crash (bsc#1281297).
- CVE-2026-86805: TOCTOU race condition in the dynamic loader allows local attackers to escalate privileges
(bsc#1282509).
- CVE-2026-89092: nscd stack overflow leads to degraded DNS resolution (bsc#1282449).
- CVE-2026-97399: one byte out-of-bounds read via function `strncasecmp` on Power8 can lead to a program crash
(bsc#1283147).
This update for glibc fixes the following issues
- CVE-2026-5435: unchecked buffer writing in TSIG handling can lead to an out-of-bounds write (bsc#1263656).
- CVE-2026-6238: insufficient RDATA length validation can lead to application crashes or uninitialized memory disclosure
(bsc#1263658).
This update for glibc fixes the following issues:
- CVE-2026-4437: incorrect DNS response parsing via crafted DNS server response (bsc#1260078).
- CVE-2026-4438: invalid DNS hostname returned via gethostbyaddr functions (bsc#1260082).
This update for glibc fixes the following issues:
- CVE-2026-0861: inadequate size check in the memalign suite may result in an integer overflow (bsc#1256766).
- CVE-2026-0915: uninitialized stack buffer used as DNS query name when net==0 in _nss_dns_getnetbyaddr_r (bsc#1256822).
- CVE-2025-15281: uninitialized memory may cause the process abort (bsc#1257005).
- CVE-2025-8058: a malloc failure in regcomp function can lead to a double free (bsc#1246965).
This update for glibc fixes the following issues:
- CVE-2025-4802: elf: Ignore LD_LIBRARY_PATH and debug env var for setuid for static (bsc#1243317)
- pthreads NPTL: lost wakeup fix 2 (bsc#1234128, BZ #25847)
- Mark functions in libc_nonshared.a as hidden (bsc#1239883)
- Linux: Switch back to assembly syscall wrapper for prctl (bsc#1234665, BZ #29770)