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Known vulnerabilities in Red Hat Enterprise Linux 7

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CVE Summary Score Published
CVE-2026-40033 FreeRDP before 3.26.0 contains a heap-buffer-overflow vulnerability in gdi_CacheToSurface that allows remote attackers… 8.6 High May 26, 2026
CVE-2026-4480 Samba: samba: remote code execution in printing subsystem via unescaped job description 9.0 Critical May 26, 2026
CVE-2026-42496 Archive::Tar versions before 3.08 for Perl extract symlinks with attacker controlled targets outside the extraction… 9.1 Critical May 26, 2026
CVE-2026-46300 Exploited Linux Kernel Missing Initialization of a Variable Vulnerability 7.8 High May 23, 2026
CVE-2026-43503 In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through… 8.8 High May 23, 2026
CVE-2026-39821 The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label 9.6 Critical May 22, 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-2026-43494 In the Linux kernel, the following vulnerability has been resolved: net/rds: reset op_nents when zerocopy page pin fails… 7.8 High May 21, 2026
CVE-2026-9149 Libsolv: heap buffer overflow in libsolv repo_add_solv via negative maxsize from crafted .solv file 6.5 Medium May 20, 2026
CVE-2026-9150 Libsolv: stack-based buffer overflow in libsolv's debian metadata parser when handling sha384/sha512 checksums 6.5 Medium May 20, 2026
CVE-2026-8632 A potential security vulnerability has been identified in the HP Linux Imaging and Printing Software 8.5 High May 20, 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-2026-5947 Undefined behavior may result due to a race condition leading to a use-after-free violation 7.5 High May 20, 2026
CVE-2026-5946 Multiple flaws have been identified in `named` related to the handling of DNS messages whose CLASS is not Internet… 7.5 High May 20, 2026
CVE-2026-3593 A use-after-free vulnerability exists within the DNS-over-HTTPS implementation 7.4 High May 20, 2026
CVE-2026-3039 BIND servers that are configured to use TKEY-based authentication via GSS-API tokens are vulnerable to excessive… 7.5 High May 20, 2026
CVE-2026-29518 Rsync versions before 3.4.3 contain a time-of-check to time-of-use (TOCTOU) race condition in daemon file handling… 7.3 High May 20, 2026
CVE-2026-44390 NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability when handling replies with very large RRsets… 6.9 Medium May 20, 2026
CVE-2026-42959 NLnet Labs Unbound up to and including version 1.25.0 has a denial of service vulnerability in the DNSSEC validator that… 8.7 High May 20, 2026
CVE-2026-42944 NLnet Labs Unbound 1.14.0 up to and including version 1.25.0 has a vulnerability that results in heap overflow when… 8.7 High May 20, 2026
CVE-2026-42534 NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability in the jostle logic that could defeat its… 6.9 Medium May 20, 2026
CVE-2026-41292 NLnet Labs Unbound up to and including version 1.25.0 is vulnerable to a degradation of service attack related to… 6.6 Medium 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-2026-9064 389-ds-base: 389-ds-base: unbounded ldap controls count in get_ldapmessage_controls_ext() causes cpu and heap amplification (remote dos) 7.5 High May 20, 2026
CVE-2026-47783 In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because… 8.1 High May 20, 2026

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