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Vulnerabilities of Red Hat Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION

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CVE Summary Score Published
CVE-2026-114406 Ca-certificates: distrust emudhra intermediate ca certificates due to security concerns 6.8 Medium Oct 21, 2026
CVE-2026-18922 A flaw was found in 389 Directory Server 9.8 Critical Sep 7, 2026
CVE-2026-15816 A flaw was found in dracut 7.5 High Aug 7, 2026
CVE-2026-6893 A flaw was found in dracut 7.5 High Jun 10, 2026
CVE-2026-45447 Issue summary: A specially crafted PKCS#7 or S/MIME signed message could trigger a use-after-free during PKCS#7… Not rated Jun 9, 2026
CVE-2026-50263 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free information disclosure in createsaverwindow() 5.5 Medium Jun 5, 2026
CVE-2026-50262 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: out-of-bounds read/write in glx changedrawableattributes 5.5 Medium Jun 5, 2026
CVE-2026-50261 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter() 7.8 High Jun 5, 2026
CVE-2026-50260 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter() 7.8 High Jun 5, 2026
CVE-2026-50258 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: stack buffer overflow in xkb key types due to unchecked shift levels 7.8 High Jun 5, 2026
CVE-2026-50259 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: stack buffer overflow in xkb setmap request via mapwidths indexing 7.8 High Jun 5, 2026
CVE-2026-50256 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: stack buffer overflow in font alias resolution due to libxfont2 name length mismatch 7.8 High Jun 5, 2026
CVE-2026-50257 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in misyncdestroyfence() 7.8 High Jun 5, 2026
CVE-2026-46243 In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego… 7.1 High Jun 1, 2026
CVE-2026-42012 A flaw was found in gnutls 7.1 High May 26, 2026
CVE-2026-34002 Xorg: xwayland: x.org x server: information disclosure or denial of service via out-of-bounds read in xkb modifier map handling 6.1 Medium May 5, 2026
CVE-2026-34000 Xwayland: xorg: x.org x server: information disclosure and denial of service via out-of-bounds read in xkb geometry processing. 6.1 Medium May 5, 2026
CVE-2026-43037 In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() Oskar… 9.8 Critical May 1, 2026
CVE-2026-34003 Xorg: xwayland: x.org x server: information exposure and denial of service via out-of-bounds memory access 7.8 High Apr 23, 2026
CVE-2026-34001 Xorg: xwayland: x.org x server: use-after-free vulnerability leads to server crash and potential memory corruption 7.8 High Apr 23, 2026
CVE-2026-33999 Xorg: xwayland: x.org x server: denial of service via integer underflow in xkb compatibility map handling 7.8 High Apr 23, 2026
CVE-2026-41035 In rsync 3.0.1 through 3.4.1, receive_xattr relies on an untrusted length value during a qsort call, leading to a… 7.4 High Apr 16, 2026
CVE-2026-4786 Mitgation of CVE-2026-4519 was incomplete 7.0 High Apr 13, 2026
CVE-2026-31402 In the Linux kernel, the following vulnerability has been resolved: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache… 9.8 Critical Apr 3, 2026
CVE-2026-35535 In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop… 7.4 High Apr 3, 2026

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