7.8

CVE-2006-2659: double_precision_incorporated courier_mta

CVSS: 7.8v2.0HighModified
AliasesDEBIAN-CVE-2006-2659DSA-1101
Published 30-05-2006Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2006-2659 is a high (CVSS 7.8) vulnerability in double_precision_incorporated courier_mta. EPSS estimates a 2.40% chance of exploitation in the next 30 days, higher than 83.7% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
2.40%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-05-2006
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

libs/comverp.c in Courier MTA before 0.53.2 allows attackers to cause a denial of service (CPU consumption) via unknown vectors involving usernames that contain the "=" (equals) character, which is not properly handled during encoding.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.40%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

0.00 pp

From 2.40% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.40%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Debian1 product
  • courier< 0.53.2-1 | < 0.37.3-2.9 | < 0.47-4sarge5
Double_precision_incorporated1 product
  • courier_mta≤ 0.44.2 | 0.37.3 | 0.38.1 | 0.40 | 0.43 | 0.43.1 | 0.43.2 | 0.44

2 vendors · 2 products

References

14 links
Show all 14 references