CVE Explorer
CVE-2026-39827
An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for garbage collection.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"collectionURL":"https://pkg.go.dev","defaultStatus":"unaffected","packageName":"golang.org/x/crypto/ssh","product":"golang.org/x/crypto/ssh","programRoutines":[{"name":"channel.Reject"}],"vendor":"golang.org/x/crypto","versions":[{"lessThan":"0.52.0","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:6ed5bd5faf17886cb883c88070a3bbb775874cc1da263631c37e5b5a335c71d1 · sha256:8eb999d6fb331fc6… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:6ed5bd5faf17886cb883c88070a3bbb775874cc1da263631c37e5b5a335c71d1 · sha256:8eb999d6fb331fc6… · /containers/adp/0/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"description":"CWE-401: Missing Release of Memory after Effective Lifetime","lang":"en"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:6ed5bd5faf17886cb883c88070a3bbb775874cc1da263631c37e5b5a335c71d1 · sha256:8eb999d6fb331fc6… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"url":"https://go.dev/cl/781320"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:6ed5bd5faf17886cb883c88070a3bbb775874cc1da263631c37e5b5a335c71d1 · sha256:8eb999d6fb331fc6… · /containers/cna/references/1
{"url":"https://go.dev/issue/35127"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:6ed5bd5faf17886cb883c88070a3bbb775874cc1da263631c37e5b5a335c71d1 · sha256:8eb999d6fb331fc6… · /containers/cna/references/0
{"url":"https://groups.google.com/g/golang-announce/c/a082jnz-LvI"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:6ed5bd5faf17886cb883c88070a3bbb775874cc1da263631c37e5b5a335c71d1 · sha256:8eb999d6fb331fc6… · /containers/cna/references/2
{"url":"https://pkg.go.dev/vuln/GO-2026-5016"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:6ed5bd5faf17886cb883c88070a3bbb775874cc1da263631c37e5b5a335c71d1 · sha256:8eb999d6fb331fc6… · /containers/cna/references/3
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.