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CVE-2005-0591

12
FAUCET Score

CVE-2005-0591 describes a "Firespoofing" vulnerability in Mozilla Firefox versions prior to 1.0.1. This flaw allowed remote attackers to spoof security and download modal dialog boxes, potentially tricking users into executing malicious scripts or downloading and running harmful files. With a CVSS score of 2.6, this vulnerability has a low severity, requiring high attack complexity and only impacting integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.8CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.8:*:*:*:*:*:*:*
0.9CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.9:*:*:*:*:*:*:*
0.9CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.9:rc:*:*:*:*:*:*
0.9.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.9.1:*:*:*:*:*:*:*
0.9.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.9.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.6LOW

AV:N/AC:H/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.02%
Probability of exploitation in next 30 days
EPSS Percentile
78.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0202 is in the 72nd percentile among its peer group of 1,506 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, 0.0 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (2)

mozillapatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:1.0.1-1.4.3
View patch

Vendor Advisories (1)

redhatCVE-2005-0591Low

security flaw

Feb 24, 2005

References

marc.info
bugzilla.mozilla.org / show_bug.cgi
Patch
secunia.com / advisories/13786
exchange.xforce.ibmcloud.com / vulnerabilities/18864
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100042
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10039
gentoo.org / security/en/glsa/glsa-200503-10.xml
PatchVendor Advisory
gentoo.org / security/en/glsa/glsa-200503-30.xml
PatchVendor Advisory
mikx.de / firespoofing
Exploit
mikx.de / index.php
Vendor Advisory
mozilla.org / security/announce/mfsa2005-16.html
redhat.com / support/errata/RHSA-2005-176.html
redhat.com / support/errata/RHSA-2005-384.html
securityfocus.com / bid/12234