CVE-2026-46597

HIGH 7.5

Invoking byte arithmetic causes underflow and panic in golang.org/x/crypto/ssh

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

5th

An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs.

Vendor	golang.org/x/crypto
Product	golang.org/x/crypto/ssh
Published	May 22, 2026
Last Updated	May 22, 2026

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Affected Versions

golang.org/x/crypto / golang.org/x/crypto/ssh

0 < 0.52.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

go.dev: https://go.dev/issue/79561 groups.google.com: https://groups.google.com/g/golang-announce/c/a082jnz-LvI go.dev: https://go.dev/cl/781620 pkg.go.dev: https://pkg.go.dev/vuln/GO-2026-5013

Credits

Maciej Kawka