CVE-2006-0321: fetchmail Improper Input Validation

Modified

AliasesDEBIAN-CVE-2006-0321

Published 24-01-2006Last modified 07-08-2024

Vulnerability summary

CVE-2006-0321 is a medium (CVSS 5.0) Improper Input Validation vulnerability in fetchmail. EPSS estimates a 3.50% chance of exploitation in the next 30 days, higher than 89.1% of scored vulnerabilities.

Priority

Routine

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

Source freshness unavailable

How is this decided?

CVSS score

5.0/10

010

Medium · v2.0 (NVD)

EPSS score

3.50%

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

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

OPENSUSE-SU-2024:10753-1

Timeline

24-01-2006
PublishedVulnerability first disclosed.
07-08-2024
Last modifiedVulnerability information updated.

Description

fetchmail 6.3.0 and other versions before 6.3.2 allows remote attackers to cause a denial of service (crash) via crafted e-mail messages that cause a free of an invalid pointer when fetchmail bounces the message to the originator or local postmaster.

CVSS metrics

1 score · 1 source · 1 version

v2.05.0

EPSS trend

Probability

3.50%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

No change 0.00 pp

From 3.50% 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

CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected systems

Version check

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

Debian1 product

fetchmail< 6.3.2-1

Fetchmail1 product

fetchmail6.3.0 | 6.3.1

2 vendors · 2 products

References

18 links

lists.apple.com/archives/security-announce/2006//Aug/msg00000.htmlVendor AdvisoryX Refsource APPLE
www.securityfocus.com/bid/16365VDB EntryX Refsource BID
developer.berlios.de/project/shownotes.php?release_id=8784X Refsource CONFIRM
exchange.xforce.ibmcloud.com/vulnerabilities/24265VDB EntryX Refsource XF
www.securityfocus.com/archive/1/422936/100/0/threadedMailing ListX Refsource BUGTRAQ
fetchmail.berlios.de/fetchmail-SA-2006-01.txtX Refsource CONFIRMPatchVendor Advisory
www.vupen.com/english/advisories/2006/3101VDB EntryX Refsource VUPEN
secunia.com/advisories/21253Third Party AdvisoryX Refsource SECUNIAVendor Advisory
secunia.com/advisories/18571Third Party AdvisoryX Refsource SECUNIAVendor Advisory
slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.443499Vendor AdvisoryX Refsource SLACKWARE

Show all 18 references

www.vupen.com/english/advisories/2006/0300VDB EntryX Refsource VUPEN
www.securityfocus.com/bid/19289VDB EntryX Refsource BID
www.us-cert.gov/cas/techalerts/TA06-214A.htmlThird Party AdvisoryX Refsource CERTUS Government Resource
bugs.debian.org/cgi-bin/bugreport.cgi?bug=348747X Refsource CONFIRM
www.osvdb.org/22691VDB EntryX Refsource OSVDB
securitytracker.com/id?1015527VDB EntryX Refsource SECTRACK
secunia.com/advisories/18895Third Party AdvisoryX Refsource SECUNIAVendor Advisory
security-tracker.debian.org/tracker/CVE-2006-0321Advisory