RH
Product
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
by Red Hat · last CVE Oct 21, 2026
On CISA KEVExploited in the wild
273
CVEs
2
On KEV
10.0
Max CVSS
1
New 30D
Severity mix
Critical 45High 196Medium 37Low 1
Watch

Add Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-81665
7.5
0%
Sep 4
Corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly
Affected: All versions, or not specified
CVE-2026-15816
7.5
0%
Aug 7
Dracut: dracut: root code execution via unescaped error message written to sourced emergency hook script in die()
Affected: All versions, or not specified
CVE-2026-18649
7.5
1%
Aug 6
Gstreamer1-plugins-good: gst-plugins-good: unbounded memory growth in rtph264depay and rtph265depay rtp depayloaders
Affected: All versions, or not specified
CVE-2026-11770
7.5
1%
Jul 31
389-ds-base: 389-ds-base: pre-auth ldap filter injection in cleanallruv status check
Affected: All versions, or not specified
CVE-2026-15722
7.5
1%
Jul 31
389-ds-base: 389-ds-base: pre-authentication stack buffer overflow in get_ruvelement_from_berval() via unbounded replica id parsing
Affected: All versions, or not specified
CVE-2026-16529
7.5
0%
Jul 30
Pcp: pcp: denial of service due to signed integer overflow
Affected: All versions, or not specified
CVE-2026-16445
7.5
3%
Jul 21
Dracut: dracut: root code execution via dhcp options command injection in networkmanager initrd module
Affected: All versions, or not specified
CVE-2026-15711
7.5
1%
Jul 14
Libsoup: soupwebsocketconnection: libsoup: websocket remote denial of service via oversized control frame protocol violation
Affected: All versions, or not specified
CVE-2026-15709
7.5
1%
Jul 14
Soupwebsocketextensiondeflate: libsoup: libsoup: websocket permessage-deflate unbounded decompression remote denial of service
Affected: All versions, or not specified
CVE-2026-59692
7.5
1%
Jul 9
Gstreamer1-plugins-bad-free: gstreamer: dtls certificate subject dn stack buffer overflow in openssl_verify_callback
Affected: All versions, or not specified
CVE-2026-58015
7.5
1%
Jun 30
Glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via keyring_lookup_entry and mechanism_client_data_receive
Affected: All versions, or not specified
CVE-2026-58011
7.5
0%
Jun 30
Glib: out-of-bounds read in glib/gdatetime.c:g_date_time_get_ymd via invalid gdatetime
Affected: All versions, or not specified
CVE-2026-6893
7.5
1%
Jun 10
Dracut: dracut: root code execution via dhcp options command injection
Affected: All versions, or not specified
CVE-2026-11788
7.5
1%
Jun 9
389-ds-base: 389-ds-base: null pointer dereference in deref control plugin ber parser
Affected: All versions, or not specified
CVE-2026-49975
7.5
33%
Jun 8
Apache HTTP Server: mod_http2 denial of service
Affected: All versions, or not specified
CVE-2026-9064
7.5
1%
May 20
389-ds-base: 389-ds-base: unbounded ldap controls count in get_ldapmessage_controls_ext() causes cpu and heap amplification (remote dos)
Affected: All versions, or not specified
CVE-2026-8946
7.5
1%
May 19
Incorrect boundary conditions in the Audio/Video: Web Codecs component
Affected: All versions, or not specified
CVE-2026-42009
7.5
1%
May 18
Gnutls: gnutls: denial of service via dtls packet reordering vulnerability
Affected: All versions, or not specified
CVE-2026-44673
7.5
1%
May 14
libyang: lyb_read_string() integer overflow → heap buffer overflow
Affected: All versions, or not specified
CVE-2026-43658
7.5
0%
May 11
The issue was addressed with improved memory handling
Affected: All versions, or not specified
CVE-2026-28905
7.5
0%
May 11
The issue was addressed with improved memory handling
Affected: All versions, or not specified
CVE-2026-28883
7.5
0%
May 11
A use-after-free issue was addressed with improved memory management
Affected: All versions, or not specified
CVE-2026-28904
7.5
0%
May 11
The issue was addressed with improved memory handling
Affected: All versions, or not specified
CVE-2026-28953
7.5
0%
May 11
The issue was addressed with improved memory handling
Affected: All versions, or not specified
CVE-2026-43964
7.5
1%
May 4
Postfix before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.10.9 sometimes allows a buffer over-read and process crash via an enhanced status code that lacks text after the third…
Affected: All versions, or not specified
CVE-2026-33846
7.5
1%
May 4
Gnutls: gnutls: denial of service via heap buffer overflow in dtls handshake fragment reassembly
Affected: All versions, or not specified
CVE-2026-42198
7.5
3%
Apr 29
pgjdbc: Unbounded PBKDF2 iterations in SCRAM authentication allows CPU exhaustion DoS
Affected: All versions, or not specified
CVE-2026-37555
7.5
1%
Apr 29
An issue was discovered in libsndfile 1.2.2 IMA ADPCM codec
Affected: All versions, or not specified
CVE-2026-7320
7.5
0%
Apr 28
Information disclosure due to incorrect boundary conditions in the Audio/Video component
Affected: All versions, or not specified
CVE-2026-34282
7.5
1%
Apr 21
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Networking)
Affected: All versions, or not specified
CVE-2026-22016
7.5
1%
Apr 21
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JAXP)
Affected: All versions, or not specified
CVE-2026-6786
7.5
0%
Apr 21
Memory safety bugs fixed in Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150
Affected: All versions, or not specified
CVE-2026-6785
7.5
1%
Apr 21
Memory safety bugs fixed in Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150
Affected: All versions, or not specified
CVE-2026-6754
7.5
0%
Apr 21
Use-after-free in the JavaScript Engine component
Affected: All versions, or not specified
CVE-2026-6749
7.5
0%
Apr 21
Information disclosure due to uninitialized memory in the Graphics: Canvas2D component
Affected: All versions, or not specified
CVE-2026-6747
7.5
0%
Apr 21
Use-after-free in the WebRTC component
Affected: All versions, or not specified
CVE-2026-6746
7.5
1%
Apr 21
Use-after-free in the DOM: Core & HTML component
Affected: All versions, or not specified
CVE-2026-40164
7.5
0%
Apr 13
jq: Algorithmic complexity DoS via hardcoded MurmurHash3 seed
Affected: All versions, or not specified
CVE-2026-35092
7.5
1%
Apr 1
Corosync: corosync: denial of service via integer overflow in join message validation
Affected: All versions, or not specified
CVE-2026-5201
7.5
1%
Mar 31
Gdk-pixbuf: gdk-pixbuf: denial of service via heap-based buffer overflow when processing a specially crafted jpeg image
Affected: All versions, or not specified
CVE-2026-33984
7.5
0%
Mar 30
FreeRDP: ClearCodec resize_vbar_entry() Heap OOB Write
Affected: All versions, or not specified
CVE-2026-5121
7.5
1%
Mar 30
Libarchive: libarchive: arbitrary code execution via integer overflow in iso9660 image processing
Affected: All versions, or not specified
CVE-2026-27858
7.5
1%
Mar 27
Attacker can send a specifically crafted message before authentication that causes managesieve to allocate large amount of memory
Affected: All versions, or not specified
CVE-2026-27857
7.5
1%
Mar 27
Sending "NOOP (((...)))" command with 4000 parenthesis open+close results in ~1MB extra memory usage
Affected: All versions, or not specified
CVE-2025-59032
7.5
1%
Mar 27
ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response
Affected: All versions, or not specified
CVE-2026-33526
7.5
9%
Mar 26
Squid vulnerable to Denial of Service in ICP Request handling
Affected: All versions, or not specified
CVE-2026-32748
7.5
9%
Mar 26
Squid has Denial of Service in ICP Response handling
Affected: All versions, or not specified
CVE-2026-1519
7.5
2%
Mar 25
Excessive NSEC3 iterations cause high CPU load during insecure delegation validation
Affected: All versions, or not specified
CVE-2026-4699
7.5
1%
Mar 24
Incorrect boundary conditions in the Layout: Text and Fonts component
Affected: All versions, or not specified
CVE-2026-4697
7.5
1%
Mar 24
Incorrect boundary conditions in the Audio/Video: Web Codecs component
Affected: All versions, or not specified
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