CVE-2026-18207

CVE-2026-18207 : Keycloak-services suffers a group-name based membership check bug in the client policy enforcement, allowing an attacker with client-management privileges to bypass security hardening by joining a differently-nested group with the same name. This can enable registering or updatin...

CVE-2026-64054

A flaw was found in the net/shaper component of the Linux kernel. This vulnerability occurs because the netshapernlgroupdoit function does not properly handle duplicate leaf entries in a GROUP request. A local attacker could exploit this by supplying the same leaf handle multiple times, leading t...

tipc: fix bc_ackers underflow on duplicate GRP_ACK_MSG

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pcre: buffer overflow caused by named forward reference to duplicate group number (8.38/30)

PCRE before 8.38 mishandles the /?|\k'Pm'|?'Pm'/ pattern and related patterns with certain forward references, which allows remote attackers to cause a denial of service buffer overflow or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript...