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CVE-2006-5783

20
FAUCET Score

CVE-2006-5783 describes a disputed denial-of-service vulnerability in Firefox 1.5.0.7 on Kubuntu Linux, where a long URL in an A tag could cause a crash. With a CVSS score of 7.8, it was assessed as a high severity issue, allowing remote attackers to cause a complete denial of service. However, multiple vendors could not reproduce the issue, and the reported system freeze impact suggested a non-Firefox related problem, leading CVE to concur with the dispute. There is no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.5.0.7CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.5.0.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.28%
Probability of exploitation in next 30 days
EPSS Percentile
81.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0228 is in the 67th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

securityfocus.com / archive/1/450398/100/0/threaded
securityfocus.com / archive/1/450424/100/0/threaded
securityfocus.com / archive/1/450476/100/0/threaded
securityfocus.com / archive/1/450730/100/0/threaded