Known vulnerabilities in Red Hat Enterprise Linux 7

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CVE list

CVE	Summary	Score	Published
CVE-2026-43112	In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in…	8.8 High	May 6, 2026
CVE-2026-28780	Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server	Not rated	May 5, 2026
CVE-2026-34956	Openvswitch: open vswitch: denial of service via malformed ftp epasv command	5.9 Medium	May 5, 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-2026-42154	Prometheus is an open-source monitoring system and time series database	7.5 High	May 4, 2026
CVE-2026-42151	Prometheus is an open-source monitoring system and time series database	7.5 High	May 4, 2026
CVE-2026-43964	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…	3.7 Low	May 4, 2026
CVE-2026-23918	Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol	Not rated	May 4, 2026
CVE-2026-33846	Gnutls: gnutls: denial of service via heap buffer overflow in dtls handshake fragment reassembly	7.5 High	May 4, 2026
CVE-2026-7598	A security vulnerability has been detected in libssh2 up to 1.11.1	6.9 Medium	May 1, 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-2026-43038	In the Linux kernel, the following vulnerability has been resolved: ipv6: icmp: clear skb2->cb[] in…	9.8 Critical	May 1, 2026
CVE-2026-31709	In the Linux kernel, the following vulnerability has been resolved: smb: client: validate the whole DACL before…	8.8 High	May 1, 2026
CVE-2026-31703	In the Linux kernel, the following vulnerability has been resolved: writeback: Fix use after free in…	7.8 High	May 1, 2026
CVE-2026-5403	SBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution	7.8 High	Apr 30, 2026
CVE-2026-5656	Profile import path traversal in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code…	7.0 High	Apr 30, 2026
CVE-2026-5405	RDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible…	7.8 High	Apr 30, 2026
CVE-2026-33845	Gnutls: gnutls: denial of service via dtls zero-length fragment	7.5 High	Apr 30, 2026
CVE-2026-3832	Gnutls: gnutls: security bypass allows acceptance of revoked server certificates via crafted ocsp response	3.7 Low	Apr 30, 2026
CVE-2026-3833	Gnutls: gnutls: policy bypass due to case-sensitive nameconstraints comparison	6.5 Medium	Apr 30, 2026
CVE-2025-14576	Insufficient validation of node IDs in Qt SVG module allows arbitrary QML/JavaScript code injection when loading…	7.4 High	Apr 30, 2026
CVE-2026-5402	TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution	8.8 High	Apr 30, 2026
CVE-2026-42198	pgjdbc is an open source postgresql JDBC Driver	7.5 High	Apr 29, 2026
CVE-2026-37555	An issue was discovered in libsndfile 1.2.2 IMA ADPCM codec	7.5 High	Apr 29, 2026

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