5.9

CVE-2025-61962: fetchmail

Deferred
AliasesMGASA-2025-0238SUSE-SU-2025:3845-1SUSE-SU-2025:3966-1
Published 04-10-2025Last modified 04-11-2025

Vulnerability summary

CVE-2025-61962 is a medium (CVSS 5.9) vulnerability in fetchmail. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 35.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.9, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 04-10-2025
    PublishedVulnerability first disclosed.
  2. 04-11-2025
    Last modifiedVulnerability information updated.

Description

In fetchmail before 6.5.6, the SMTP client can crash when authenticating upon receiving a 334 status code in a malformed context.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.41%

Chance of exploitation in the next 30 days

Percentile

35%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.41% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Suse7 products
  • fetchmail&distro=SUSE Linux Enterprise Module for Basesystem 15 SP6< 6.4.22-150600.35.3.1
  • fetchmail&distro=SUSE Linux Enterprise Module for Basesystem 15 SP7< 6.4.22-150600.35.3.1
  • fetchmail&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP6< 6.4.22-150600.35.3.1
  • fetchmail&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP7< 6.4.22-150600.35.3.1
  • fetchmail&distro=SUSE Linux Enterprise Server 16.0< 6.5.2-160000.3.1
Opensuse3 products
  • fetchmail&distro=openSUSE Leap 15.6< 6.4.22-150600.35.3.1
  • fetchmail&distro=openSUSE Leap 16.0< 6.5.2-160000.3.1
  • fetchmail&distro=openSUSE Tumbleweed< 6.5.6-1.1
Alpine1 product
  • fetchmail< 6.5.6-r0
Debian1 product
  • fetchmailAll versions (No fix recorded) | < 6.5.6-1
Fetchmail1 product
Mageia1 product
  • fetchmail< 6.5.6-1.mga9
Ubuntu1 product
  • fetchmailAll versions (No fix recorded) | < 6.5.4-0ubuntu2 | < 6.4.27-1ubuntu0.1 | < 6.4.38-1ubuntu4.1

7 vendors · 15 products

References

17 links
Show all 17 references