What is CVE-2006-1723?

CVE-2006-1723 is a vulnerability in Mozilla Firefox. Published 2006-04-14.

Is CVE-2006-1723 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Mozilla Firefox

CVE-2006-1723

Unspecified vulnerability in Firefox and Thunderbird before 1.5.0.2, and SeaMonkey before 1.0.1, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown attack vectors related to DHTML. NOTE: due to the lack of sufficient public details from the vendor as of 20060413, it is unclear how CVE-2006-1529, CVE-2006-1530, CVE-2006-1531, and CVE-2006-1723 are different.

Published 2006-04-14 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.047 (91.5th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000

Affected products

Mozilla Firefox — versions 1.0, 1.0.1, 1.0.2
Mozilla Seamonkey — versions 1.0
Mozilla Thunderbird — versions 1.0, 1.0.1, 1.0.2

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

www.mozilla.org/security/announce/2006/mfsa2006-20.html
www.vupen.com/english/advisories/2006/3748 (vdb-entry)
secunia.com/advisories/19941 (third-party-advisory)
www.debian.org/security/2006/dsa-1051 (vendor-advisory)
oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:1574 (signature, vdb-entry)
www.vupen.com/english/advisories/2006/3749 (vdb-entry)
secunia.com/advisories/21033 (third-party-advisory)
www.kb.cert.org/vuls/id/350262 (US Government Resource, third-party-advisory)
www.vupen.com/english/advisories/2008/0083 (vdb-entry)
www.securityfocus.com/archive/1/446658/100/200/threaded (vendor-advisory)

Frequently asked questions

What is CVE-2006-1723?: CVE-2006-1723 is a vulnerability in Mozilla Firefox. Published 2006-04-14.
Is CVE-2006-1723 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.