CVE-2026-56114 dhcpcd Stack Out-of-Bounds Write in dhcp6_makemessage()

dhcpcd through 10.3.2, fixed in commit 2f00c7b, contains a one-byte stack out-of-bounds write vulnerability in dhcp6makemessage in src/dhcp6.c that allows unauthenticated same-link attackers to write beyond a fixed local buffer by serializing an oversized RFC6603 OPTIONPDEXCLUDE option body...

CVE-2026-56114

CVE-2026-56114 affects dhcpcd up to 10.3.2; the issue is a one-byte stack out-of-bounds write in dhcp6_makemessage() caused by serializing an oversized RFC6603 OPTION_PD_EXCLUDE body in a crafted DHCPv6 ADVERTISE with IA_PD IAPREFIX /0. The vulnerability can allow an unauthenticated same-link att...

PT-2026-51564

Name of the Vulnerable Software and Affected Versions Bootimus versions 0.1.0 through 0.1.70 dhcpcd versions 1.0 through 10.3.2 Description Bootimus contains a broken access control issue where the JWTMiddleware function in internal/auth/auth.go fails to inspect the is admin flag. This allows...