Debian trixie
Source: Debian Security Tracker
libreswan→ fixed in4.12-1urgency: not yet assignedsudo apt-get install --only-upgrade -y libreswan
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CVE-2023-38711 · cross-distro fix matrix
CVE-2023-38711: An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or ID_IPV6_ADDR receives an IDcr payload with ID_FQDN, a NULL pointer dereference causes a crash and restart of the pluto daemon. NOTE: the earliest affected version is 4.6.
Affects 5 Linux releases across 5 (distro × package) combinations.
Fix per ecosystem
Each block below is a distro release where CVE-2023-38711 has a known fix. Run the listed command on that distro to remediate.
Alpine v3.20
Source: Alpine secdb
libreswan→ fixed in4.12-r0apk update && apk add --upgrade libreswan
Alpine v3.21
Source: Alpine secdb
libreswan→ fixed in4.12-r0apk update && apk add --upgrade libreswan
Alpine edge
Source: Alpine secdb
libreswan→ fixed in4.12-r0apk update && apk add --upgrade libreswan
Alpine v3.19
Source: Alpine secdb
libreswan→ fixed in4.12-r0apk update && apk add --upgrade libreswan
Are YOU affected by CVE-2023-38711?
5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.
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