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CVE-2002-0146· NVD / CVE Program· CNA mitre

fetchmail email client before 5.9.10 does not properly limit the maximum number of messages available, which allows a remote IMAP server to

fetchmail email client before 5.9.10 does not properly limit the maximum number of messages available, which allows a remote IMAP server to overwrite memory via a message count that exceeds the boundaries of an array.

MediumCVSS 5.0 · v2.0—No exploit No fix recorded
Published
Jun 25, 2002
Updated
Jun 16, 2026
EPSS
1.5% · 73th percentile
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Report tools

JSON

Action score

20

Monitor

Low priority for now.

CVSS
20 / 40 · 5.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.5%

Affected systems

VendorProduct
fetchmailfetchmail

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • fetchmail fetchmailup to 5.9.8 inclusive
  • fetchmail fetchmail4.5.1
  • fetchmail fetchmail4.5.2
  • fetchmail fetchmail4.5.3
  • fetchmail fetchmail4.5.4
  • fetchmail fetchmail4.5.5
  • fetchmail fetchmail4.5.6
  • fetchmail fetchmail4.5.7
  • fetchmail fetchmail4.5.8
  • fetchmail fetchmail4.6.0
  • fetchmail fetchmail4.6.1
  • fetchmail fetchmail4.6.2
  • fetchmail fetchmail4.6.3
  • fetchmail fetchmail4.6.4
  • fetchmail fetchmail4.6.5
  • fetchmail fetchmail4.6.6
  • fetchmail fetchmail4.6.7
  • fetchmail fetchmail4.6.8
  • fetchmail fetchmail4.6.9
  • fetchmail fetchmail4.7.0

Same product

fetchmail: all records

Other highest-scoring records for the same primary product.

  • CVE-2001-1009Fetchmail (aka fetchmail-ssl) before 5.8.17 allows a remote malicious (1) IMAP server or (2) POP/POP3 server to overwrite arbitrary memory a
    42Plan
  • CVE-2001-0101Vulnerability in fetchmail 5.5.0-2 and earlier in the AUTHENTICATE GSSAPI command.
    41Plan
  • CVE-2006-5974fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option, allows remote attackers to cause a denial
    32Monitor
  • CVE-2006-5867fetchmail before 6.3.6-rc4 does not properly enforce TLS and may transmit cleartext passwords over unsecured links if certain circumstances
    32Monitor
  • CVE-2005-4348fetchmail before 6.3.1 and before 6.2.5.5, when configured for multidrop mode, allows remote attackers to cause a denial of service (applica
    32Monitor
  • CVE-2001-0819A buffer overflow in Linux fetchmail before 5.8.6 allows remote attackers to execute arbitrary code via a large 'To:' field in an email head
    32Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
P · data can be read
Integrity
none
Availability
none
Attack complexity
Low
Confidentiality impact
P
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-20 · Improper Input Validation

CVSS vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records