golang.org/x/crypto: Invoking pathological inputs can lead to client panic

MEDIUM 5.3CVE-2026-46598 · GHSA-9m57-25v3-79x9 · GO-2026-5033 · Published 22/05/2026 · updated 23/07/2026

In short

CVE-2026-46598 is a MEDIUM (CVSS 5.3) vulnerability affecting golang.org/x/crypto, crypto (golang).
Chance of exploitation in the next 30 days (EPSS): 0.41%, higher than 35.5% of all vulnerabilities.
Fix: update to 0.52.0 or later.

Package	Affected versions	Patched versions
golang.org/x/crypto Go	`< 0.52.0`	`0.52.0`
crypto golang	`< 0.52.0`	`0.52.0`

For certain crafted inputs, a 'ed25519.PrivateKey' was created by casting malformed wire bytes, leading to a panic when used.

NVD description

For certain crafted inputs, a 'ed25519.PrivateKey' was created by casting malformed wire bytes, leading to a panic when used.

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Package

Affected versions

Patched versions

< 0.52.0

0.52.0

< 0.52.0

0.52.0

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