CVE-2025-47913 — Reachable Assertion in X Crypto Golang.org X Crypto SSH Agent

CWE-617 — Reachable Assertion10 documents8 sources
Severity
7.5HIGHNVD
EPSS
0.0%
top 97.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Golang.org X Crypto Golang.org X Crypto SSH AgentGolang.org X CryptoGO SSH
Timeline
PublishedNov 13
Latest updateDec 9

Description

SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶NVDgo/ssh< 0.43.0
▶Gogolang.org/x_crypto< 0.43.0

Patches

Patch: go.dev ↗

🔴Vulnerability Details

4
GHSA
GHSA-56w8-48fp-6mgv: SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process↗2025-11-14
▶
OSV
Potential denial of service in golang.org/x/crypto/ssh/agent↗2025-11-13
▶
CVEList
Potential denial of service in golang.org/x/crypto/ssh/agent↗2025-11-13
▶
OSV
CVE-2025-47913: SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process↗2025-11-13
▶

📋Vendor Advisories

3
Red Hat
golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: SSH client panic due to unexpected SSH_AGENT_SUCCESS↗2025-11-13
▶
Microsoft
Potential denial of service in golang.org/x/crypto/ssh/agent↗2025-11-11
▶
Debian
CVE-2025-47913: golang-go.crypto - SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will pan...↗2025
▶

💬Community

2
Bugzilla
CVE-2025-47913 trivy: golang.org/x/crypto/ssh/agent: SSH client panic due to unexpected SSH_AGENT_SUCCESS [fedora-43]↗2025-12-09
▶
Bugzilla
CVE-2025-47913 golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: SSH client panic due to unexpected SSH_AGENT_SUCCESS↗2025-11-13
▶
CVE-2025-47913 — Reachable Assertion | cvebase