BIT-golang-2026-27144

vendorUSosv

Miscompilation allows memory corruption via CONVNOP-wrapped array copy in cmd/compile

view advisory published 2026-04-18Licence: per source

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-27144US	high7.1	0.26% (18th)	—	2026-04-08
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 no…

references

External citations — patches, advisories, analysis.

https://go.dev/cl/763764FIX
https://go.dev/issue/78371REPORT
https://groups.google.com/g/golang-announce/c/0uYbvbPZRWUDISCUSSION
https://nvd.nist.gov/vuln/detail/CVE-2026-27144WEB
https://pkg.go.dev/vuln/GO-2026-4867ADVISORY

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