CVE-2026-27144: Miscompilation allows memory corruption via CONVNOP-wrapped array copy in cmd/compile

Published Apr 8, 2026
·
Updated

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.

Affected Software

3 affected components
Google Go compiler (cmd/compile)
Golang Go<1.25.9
Golang Go>=1.26.0<1.26.2

Event History

Apr 8, 2026
CVE Published
via MITRE·01:06 AM
Data Sourced
via MITRE·01:06 AM
DescriptionWeakness
Data Sourced
via Red Hat·02:01 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·02:16 AM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-27144?

CVE-2026-27144 has a severity rating that indicates it can lead to memory corruption issues.

2

How do I fix CVE-2026-27144?

To fix CVE-2026-27144, upgrade the Google Go compiler to a version newer than 1.25.9 or between 1.26.0 and 1.26.2.

3

What software is affected by CVE-2026-27144?

CVE-2026-27144 affects versions of the Google Go compiler prior to 1.25.9 and between 1.26.0 and 1.26.2.

4

What kind of issue does CVE-2026-27144 represent?

CVE-2026-27144 represents a miscompilation issue that can lead to memory corruption.

5

How does CVE-2026-27144 affect system security?

CVE-2026-27144 can potentially allow attackers to exploit memory corruption, impacting the integrity of applications built with the affected Go compiler.

Contact

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