Skip to content

Known vulnerabilities in Red Hat Enterprise Linux 6

Is your version affected?

CVE Summary Score Published
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-2026-4480 Samba: samba: remote code execution in printing subsystem via unescaped job description 9.0 Critical May 26, 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-2026-8631 A potential security vulnerability has been identified in the HP Linux Imaging and Printing Software 9.3 Critical May 20, 2026
CVE-2026-33278 NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables… 9.1 Critical May 20, 2026
CVE-2026-8948 Same-origin policy bypass in the DOM: Networking component 9.1 Critical May 19, 2026
CVE-2026-8401 Sandbox escape in the Profile Backup component 9.8 Critical May 12, 2026
CVE-2026-6722 In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the SOAP… 9.5 Critical May 10, 2026
CVE-2026-8094 Other issue in the WebRTC component 9.8 Critical May 7, 2026
CVE-2026-8091 Incorrect boundary conditions in the Audio/Video: Playback component 9.8 Critical May 7, 2026
CVE-2026-43198 In the Linux kernel, the following vulnerability has been resolved: tcp: fix potential race in tcp_v6_syn_recv_sock()… 9.8 Critical May 6, 2026
CVE-2026-43125 In the Linux kernel, the following vulnerability has been resolved: dlm: validate length in dlm_search_rsb_tree The… 9.8 Critical May 6, 2026
CVE-2026-43114 In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo_avx2: don't return… 9.4 Critical May 6, 2026
CVE-2026-43038 In the Linux kernel, the following vulnerability has been resolved: ipv6: icmp: clear skb2->cb[] in… 9.8 Critical May 1, 2026
CVE-2026-31607 In the Linux kernel, the following vulnerability has been resolved: usbip: validate number_of_packets in… 9.8 Critical Apr 24, 2026
CVE-2026-6748 Uninitialized memory in the Audio/Video: Web Codecs component 9.8 Critical Apr 21, 2026
CVE-2026-6100 Use-after-free (UAF) was possible in the `lzma.LZMADecompressor`, `bz2.BZ2Decompressor`, and `gzip.GzipFile` when a… 9.1 Critical Apr 13, 2026
CVE-2026-20911 A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit 0b56545 and… 9.8 Critical Apr 7, 2026
CVE-2026-21413 A heap-based buffer overflow vulnerability exists in the lossless_jpeg_load_raw functionality of LibRaw Commit 0b56545… 9.8 Critical Apr 7, 2026
CVE-2026-20889 A heap-based buffer overflow vulnerability exists in the x3f_thumb_loader functionality of LibRaw Commit d20315b 9.8 Critical Apr 7, 2026
CVE-2026-5731 Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and… 9.8 Critical Apr 7, 2026
CVE-2026-34714 Vim before 9.2.0272 allows code execution that happens immediately upon opening a crafted file in the default… 9.2 Critical Mar 30, 2026
CVE-2026-33526 Squid is a caching proxy for the Web 9.2 Critical Mar 26, 2026
CVE-2026-4721 Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and… 9.8 Critical Mar 24, 2026
CVE-2026-4720 Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 9.8 Critical Mar 24, 2026

Other Red Hat products