Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support

• CVE-2026-59691 High 7.1 Gstreamer1-plugins-bad-free: gstreamer: rfbsrc/librfb hextile heap out-of-bounds write with 16bpp framebuffer 0.3%
• CVE-2026-11610 High 8.8 389-ds-base: 389-ds-base: heap buffer overflow in sasl_io_recv() via padded sasl unbind 0.5%
• CVE-2026-14476 High 8.0 Sssd: sssd: gpo cache path traversal via unsanitized gpcfilesyspath allows kerberos authentication bypass 0.7%
• CVE-2026-14474 High 8.8 Sssd: sssd: sudo ldap provider searches entire directory tree for sudorole objects by default, enabling privilege escalation 0.6%
• CVE-2026-58016 High 7.5 Glib: integer underflow in gio/gdbusintrospection.c via "g_dbus_node_info_new_for_xml" 0.6%
• CVE-2026-58015 Medium 5.9 Glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via keyring_lookup_entry and mechanism_client_data_receive 0.8%
• CVE-2026-58014 High 7.3 Glib: off-by-one error in glib/gkeyfile.c via "g_key_file_get_locale_string_list" 0.6%
• CVE-2026-58013 Medium 6.5 Glib: buffer over-read in glib/giochannel.c via "g_io_channel_read_line_backend" 0.5%
• CVE-2026-58012 Medium 6.5 Glib: buffer over-read in g_regex_replace() via glib/gregex.c:string_append() and g_utf8_next_char() 0.5%
• CVE-2026-58011 Medium 6.5 Glib: out-of-bounds read in glib/gdatetime.c:g_date_time_get_ymd via invalid gdatetime 0.5%
• CVE-2026-58010 Medium 6.5 Glib: buffer over-read in glib/gvariant-serialiser.c via gvs_tuple_is_normal() 0.5%
• CVE-2026-12912 High 7.3 Libtiff: libtiff: heap-based buffer overflow via crafted pixarlog-compressed tiff image 0.4%
• CVE-2026-13601 High 7.1 Yelp: yelp-xsl: overly permissive content security policy in yelp allows host file disclosure from flatpak applications 0.2%
• CVE-2026-56208 High 7.6 Libaom: libaom: heap buffer overflow in av1 encoder first-pass stats buffer via lap mode 0.6%
• CVE-2026-10649 High 8.6 Pacemaker: pacemaker: denial of service via integer overflow in remote message decompression 0.6%
• CVE-2026-42014 Medium 6.6 Gnutls: gnutls: use-after-free in gnutls_pkcs11_token_set_pin 0.1%
• CVE-2026-52722 High 7.1 Gstreamer1-plugins-bad-free: gstreamer: signed integer overflow in vmnc decoder cursor payload handling 0.4%
• CVE-2026-52720 High 8.8 Gstreamer1-plugins-bad-free: gstreamer: heap buffer overflow via crafted vnc server rectangle in librfb 0.6%
• CVE-2026-53705 High 7.6 Gstreamer1-plugins-good: gstreamer: heap buffer overflow in wavpack decoder via integer overflow 0.4%
• CVE-2026-54231 Medium 5.5 Abrt: unsanitized systemd journal content written to dump directory files enables content injection 0.2%
• CVE-2026-54230 High 7.0 Abrt: event handler scripts follow symlinks when writing output files, allowing arbitrary file overwrites 0.2%
• CVE-2026-54229 High 7.0 Abrt: chownproblemdir succeeds during active post-create event processing due to inadequate locking 0.1%
• CVE-2026-54228 High 7.8 Abrt: toctou race condition in abrt-dbus setelement allows arbitrary file writes to dump directories 0.1%
• CVE-2026-11774 High 7.6 389-ds-base: 389-ds-base: integer overflow in sasl packet length bypasses size limit leading to heap buffer overflow 0.7%
• CVE-2026-6893 High 7.5 Dracut: dracut: root code execution via dhcp options command injection 1.3%
• CVE-2026-11837 High 7.3 Ansible-collection-ansible-posix: ansible.posix authorized_key: local privilege escalation via symlink-following chown 0.2%
• CVE-2026-11788 Medium 5.9 389-ds-base: 389-ds-base: null pointer dereference in deref control plugin ber parser 0.6%
• CVE-2026-50263 Medium 5.5 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free information disclosure in createsaverwindow() 0.1%
• CVE-2026-50262 Medium 5.5 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: out-of-bounds read/write in glx changedrawableattributes 0.1%
• CVE-2026-50264 High 7.8 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: out-of-bounds heap write in dri2 drigetbuffers/drigetbufferswithformat 0.1%
• CVE-2026-50261 High 7.8 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter() 0.2%
• CVE-2026-50260 High 7.8 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter() 0.2%
• CVE-2026-50258 High 7.8 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: stack buffer overflow in xkb key types due to unchecked shift levels 0.2%
• CVE-2026-50259 High 7.8 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: stack buffer overflow in xkb setmap request via mapwidths indexing 0.2%
• CVE-2026-50256 High 7.8 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: stack buffer overflow in font alias resolution due to libxfont2 name length mismatch 0.2%
• CVE-2026-50257 High 7.8 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in misyncdestroyfence() 0.1%
• CVE-2026-10805 Medium 6.7 Networkmanager: networkmanager: local privilege escalation via malformed mud urls in dhclient backend 0.2%
• CVE-2026-10118 High 7.8 Poppler: integer overflow in poppler splashoutputdev::tilingpatternfill leads to heap buffer overflow via unchecked dimension multiplication 0.3%
• CVE-2026-4408 Critical 9.0 Samba: remote code execution in samr 2.5%
• CVE-2026-1933 High 7.1 Samba: missing access check on reparse point operations 0.9%
• CVE-2026-2340 Medium 6.5 Samba: vfs_worm does not block directory modification 0.9%
• CVE-2026-3012 High 8.0 Samba: group policy certificate enrollment uses http:// without validation 0.3%
• CVE-2026-42015 Medium 5.3 Gnutls: gnutls: memory corruption due to off-by-one error in pkcs#12 bag handling 0.7%
• CVE-2026-42013 High 8.2 Gnutls: gnutls: certificate validation bypass due to oversized subject alternative name 0.4%
• CVE-2026-42012 High 7.1 Gnutls: gnutls: certificate validation bypass due to improper handling of uri and srv sans 0.4%
• CVE-2026-5260 High 8.2 Gnutls: gnutls: information disclosure via heap overread in rsa key exchange 0.8%
• CVE-2026-48864 High 7.8 Libsolv: heap buffer overflow in libsolv repopagestore via unchecked decompression of malicious .solv page data 0.2%
• CVE-2026-4480 Critical 9.0 Samba: samba: remote code execution in printing subsystem via unescaped job description 13.9%
• CVE-2026-9064 High 7.5 389-ds-base: 389-ds-base: unbounded ldap controls count in get_ldapmessage_controls_ext() causes cpu and heap amplification (remote dos) 0.8%
• CVE-2026-42009 High 7.5 Gnutls: gnutls: denial of service via dtls packet reordering vulnerability 1.3%