CVE-2026-27144

Name	CVE-2026-27144
Description	The compiler is meant to unwrap pointers which are the operands of a memory move; a no-op interface conversion prevented the compiler from making the correct determination about non-overlapping moves, potentially leading to memory corruption at runtime.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
golang-1.15 (PTS)	bullseye	1.15.15-1~deb11u4	vulnerable
golang-1.19 (PTS)	bookworm	1.19.8-2	vulnerable
golang-1.24 (PTS)	trixie	1.24.4-1	vulnerable
golang-1.25 (PTS)	forky, sid	1.25.9-1	fixed
golang-1.26 (PTS)	forky, sid	1.26.2-3	fixed

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

Package	Type	Release	Fixed Version
golang-1.15	source	(unstable)	(unfixed)
golang-1.19	source	(unstable)	(unfixed)
golang-1.24	source	(unstable)	(unfixed)
golang-1.25	source	(unstable)	1.25.9-1
golang-1.26	source	(unstable)	1.26.2-1

Notes

[bookworm] - golang-1.19 <no-dsa> (Minor issue)
[bullseye] - golang-1.15 <postponed> (Limited support, minor issue, follow bookworm DSAs/point-releases)
https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU
https://github.com/golang/go/issues/78371
Fixed by: https://github.com/golang/go/commit/3a4577a2687ad46d2a00305ddb68733283ea0720 (go1.26.2)
Fixed by: https://github.com/golang/go/commit/72cc33629a3b26e68f6e6e5564618a1d763896f3 (go1.25.9)
https://ciolek.dev/posts/when-the-compiler-lies