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: Fixed local root exploits when using static built setuid root applications. (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)
This update for glibc fixes the following issues:
- CVE-2025-0395: Fixed buffer overflow in the assert() function (bsc#1236282).
Other fixes:
- Fix underallocation of abort_msg_s struct
- Correctly determine livepatching support
- Remove nss-systemd from default nsswitch.conf (bsc#1233699)
This update for glibc fixes the following issues:
Fixed security issues:
- CVE-2024-33602: Use time_t for return type of addgetnetgrentX (bsc#1223425)
- CVE-2024-33599: nscd: Stack-based buffer overflow in netgroup cache (bsc#1223423)
- CVE-2024-33600: nscd: Avoid null pointer crashes after notfound response (bsc#1223424)
- CVE-2024-33600: nscd: Do not send missing not-found response in addgetnetgrentX (bsc#1223424)
- CVE-2024-33601, CVE-2024-33602: netgroup: Use two buffers in addgetnetgrentX (bsc#1223425)
- CVE-2024-2961: iconv: ISO-2022-CN-EXT: fix out-of-bound writes when writing escape sequence (bsc#1222992)
Fixed non-security issues: