CVE-2026-45254

CVE-2026-45254 concerns the cap_net service where omitting a key from a new limit causes the missing key to be treated as “allow any” rather than rejected. The available connected docs confirm this exact behavior and describe its impact: an application that previously restricted a subset of netwo...

CVE-2026-45254 Incorrect libcap_net limitation list manipulation

In the case of the capnet service, when a key present in the old limit was omitted from the new limit, the missing key was treated as "allow any" instead of being rejected. In certain scenarios, an application that had previously restricted a subset of network operations could ask for a new limit...

FreeBSD 安全漏洞

FreeBSD is a Unix-like operating system developed by the FreeBSD Foundation. There are security vulnerabilities in FreeBSD, which originate from the capnet service. When new restrictions override old ones, the omitted keys are treated as allowing any operation. This can lead to applications that...

FreeBSD -- Incorrect libcap_net limitation list manipulation

Problem Description: In the case of the capnet service, when a key present in the old limit was omitted from the new limit, the missing key was treated as "allow any" instead of being rejected. Impact: In certain scenarios, an application that had previously restricted a subset of network...