CVE-2025-61962
MEDIUM
5.9
CVSS Score
Published: October 4, 2025 at 12:00 AM UTC
Updated: October 19, 2026 at 04:10 PM UTC
1 product affected across 1 vendorFetchmail
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Severity
MEDIUM5.9
Exploit prediction
EPSS 0.4%
SSVC
No known exploit
Description
In fetchmail before 6.5.6, the SMTP client can crash when authenticating upon receiving a 334 status code in a malformed context.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
5.9.9 ≤ v < 6.5.65.9.9
Affected range stops below 6.5.6, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (4)
Source: cverecord
https://www.openwall.com/lists/oss-security/2025/10/03/2Source: cverecord
https://www.fetchmail.info/fetchmail-SA-2025-01.txtSource: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2025/10/04/3SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
5.9MEDIUMmitre
Vector?
Quick Info
StatusDEFERRED
CWE
CWE-142
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