CVE-2025-31698

Name	CVE-2025-31698
Description	ACL configured in ip_allow.config or remap.config does not use IP addresses that are provided by PROXY protocol. Users can use a new setting (proxy.config.acl.subjects) to choose which IP addresses to use for the ACL if Apache Traffic Server is configured to accept PROXY protocol. This issue affects undefined: from 10.0.0 through 10.0.6, from 9.0.0 through 9.2.10. Users are recommended to upgrade to version 9.2.11 or 10.0.6, which fixes the issue.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-5948-1
Debian Bugs	1108044

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
trafficserver (PTS)	bullseye	8.1.10+ds-1~deb11u1	vulnerable
	bullseye (security)	8.1.11+ds-0+deb11u2	vulnerable
	bookworm	9.2.5+ds-0+deb12u2	vulnerable
	bookworm (security)	9.2.5+ds-0+deb12u3	fixed
	sid	9.2.5+ds-1	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
trafficserver	source	bookworm	9.2.5+ds-0+deb12u3		DSA-5948-1
trafficserver	source	(unstable)	(unfixed)			1108044

Notes

https://www.openwall.com/lists/oss-security/2025/06/17/7
https://github.com/apache/trafficserver/commit/ce942e0acacd5cc9f38bd07565a1dfc5ffed0e33 (9.2.11-rc0)
https://github.com/apache/trafficserver/commit/91a654dfa4de0c48aa222b87bfb909f9f21b03e0 (master)