2.6

CVE-2006-1721: cyrus sasl Improper Input Validation

CVSS: 2.6v2.0LowModified
AliasesRHSA-2007:0795RHSA-2007:0878DEBIAN-CVE-2006-1721
Published 11-04-2006Last modified 07-08-2024
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Vulnerability summary

CVE-2006-1721 is a low (CVSS 2.6) Improper Input Validation vulnerability in cyrus sasl. EPSS estimates a 2.49% chance of exploitation in the next 30 days, higher than 84.3% of scored vulnerabilities.

Overall risk
11/100
0100
Low · default modelHow is this calculated?
CVSS score
2.6/10
010
Low · v2.0 (NVD)
EPSS score
2.49%
0%100%
Low · +0.06 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-04-2006
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

digestmd5.c in the CMU Cyrus Simple Authentication and Security Layer (SASL) library 2.1.18, and possibly other versions before 2.1.21, allows remote unauthenticated attackers to cause a denial of service (segmentation fault) via malformed inputs in DIGEST-MD5 negotiation.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.49%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

+0.06 pp

From 2.43% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.49%

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

Affected systems

Redhat8 products
  • cyrus-sasl< 0:2.1.19-14 | < 0:2.1.15-15
  • cyrus-sasl-debuginfo< 0:2.1.19-14 | < 0:2.1.15-15
  • cyrus-sasl-devel< 0:2.1.19-14 | < 0:2.1.15-15
  • cyrus-sasl-gssapi< 0:2.1.19-14 | < 0:2.1.15-15
  • cyrus-sasl-md5< 0:2.1.19-14 | < 0:2.1.15-15
Cyrus1 product
  • sasl2.1.18 | 2.1.18_r1 | 2.1.18_r2 | 2.1.19 | 2.1.20
Debian1 product
  • cyrus-sasl2< 2.1.19.dfsg1-0.2 | < 2.1.19-1.5sarge1

3 vendors · 10 products

References

50 links
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