THREAT OPS › Threat News › [NVD] CVE-2026-39830 (CRITICAL 9.1) — A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now
[NVD] CVE-2026-39830 (CRITICAL 9.1) — A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now
CVE-2026-39830 CVSS: 9.1 CRITICAL Published: 2026-05-22T04:16:22.440
A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.
Indicators of compromise
- CVE-2026-39830cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-39830