Known vulnerabilities in Red Hat Enterprise Linux 6

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CVE list

CVE	Summary	Score	Published
CVE-2026-45972	In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in…	9.8 Critical	May 27, 2026
CVE-2026-45898	In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fix workqueue list corruption by removing…	9.8 Critical	May 27, 2026
CVE-2026-45852	In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix double free in rxe_srq_from_init In…	7.8 High	May 27, 2026
CVE-2026-2340	Samba: vfs_worm does not block directory modification	6.5 Medium	May 27, 2026
CVE-2026-3012	Samba: group policy certificate enrollment uses http:// without validation	8.0 High	May 27, 2026
CVE-2026-42013	Gnutls: gnutls: certificate validation bypass due to oversized subject alternative name	8.2 High	May 26, 2026
CVE-2026-42015	Gnutls: gnutls: memory corruption due to off-by-one error in pkcs#12 bag handling	5.3 Medium	May 26, 2026
CVE-2026-42012	A flaw was found in gnutls	7.1 High	May 26, 2026
CVE-2026-5260	Gnutls: gnutls: information disclosure via heap overread in rsa key exchange	8.2 High	May 26, 2026
CVE-2026-40033	FreeRDP before 3.26.0 contains a heap-buffer-overflow vulnerability in gdi_CacheToSurface that allows remote attackers…	8.6 High	May 26, 2026
CVE-2026-4480	Samba: samba: remote code execution in printing subsystem via unescaped job description	9.0 Critical	May 26, 2026
CVE-2026-46300	Exploited Linux Kernel Missing Initialization of a Variable Vulnerability	7.8 High	May 23, 2026
CVE-2026-43503	In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through…	8.8 High	May 23, 2026
CVE-2026-43501	In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: reserve mac_len headroom when…	9.8 Critical	May 21, 2026
CVE-2026-43494	In the Linux kernel, the following vulnerability has been resolved: net/rds: reset op_nents when zerocopy page pin fails…	7.8 High	May 21, 2026
CVE-2026-8632	A potential security vulnerability has been identified in the HP Linux Imaging and Printing Software	8.5 High	May 20, 2026
CVE-2026-8631	A potential security vulnerability has been identified in the HP Linux Imaging and Printing Software	9.3 Critical	May 20, 2026
CVE-2026-5947	Undefined behavior may result due to a race condition leading to a use-after-free violation	7.5 High	May 20, 2026
CVE-2026-5946	Multiple flaws have been identified in `named` related to the handling of DNS messages whose CLASS is not Internet…	7.5 High	May 20, 2026
CVE-2026-3593	A use-after-free vulnerability exists within the DNS-over-HTTPS implementation	7.4 High	May 20, 2026
CVE-2026-3039	BIND servers that are configured to use TKEY-based authentication via GSS-API tokens are vulnerable to excessive…	7.5 High	May 20, 2026
CVE-2026-29518	Rsync versions before 3.4.3 contain a time-of-check to time-of-use (TOCTOU) race condition in daemon file handling…	7.3 High	May 20, 2026
CVE-2026-44390	NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability when handling replies with very large RRsets…	6.9 Medium	May 20, 2026
CVE-2026-42959	NLnet Labs Unbound up to and including version 1.25.0 has a denial of service vulnerability in the DNSSEC validator that…	8.7 High	May 20, 2026
CVE-2026-42944	NLnet Labs Unbound 1.14.0 up to and including version 1.25.0 has a vulnerability that results in heap overflow when…	8.7 High	May 20, 2026

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