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CVE-2005-2702

20
FAUCET Score

CVE-2005-2702 describes a denial-of-service vulnerability affecting Mozilla Firefox versions prior to 1.0.7 and Mozilla Suite before 1.7.12, where specially crafted Unicode sequences containing "zero-width non-joiner" characters can cause a crash and potentially arbitrary code execution. With a CVSS score of 7.5, this vulnerability is considered highly severe, allowing unauthenticated remote attackers to exploit it with low complexity, leading to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting it is not a widely targeted or discussed vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.6CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.0.2:*:*:*:*:*:*:*
1.0.3CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.62%
Probability of exploitation in next 30 days
EPSS Percentile
88.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0362 is in the 79th 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

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:1.0.7-1.4.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: devhelp-0:0.9.2-2.4.7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: thunderbird-0:1.0.7-1.4.1
View patch

Vendor Advisories (1)

redhatCVE-2005-2702Critical

security flaw

Sep 22, 2005

References

ftp.sco.com / pub/updates/OpenServer/SCOSA-2005.49/SCOSA-2005.49.txt
secunia.com / advisories/16911
secunia.com / advisories/16917
secunia.com / advisories/16977
secunia.com / advisories/17014
secunia.com / advisories/17026
secunia.com / advisories/17042
secunia.com / advisories/17090
secunia.com / advisories/17149
secunia.com / advisories/17263
secunia.com / advisories/17284
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/22375
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1150
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11609
debian.org / security/2005/dsa-838
debian.org / security/2005/dsa-866
debian.org / security/2005/dsa-868
mandriva.com / security/advisories
mandriva.com / security/advisories
mandriva.com / security/advisories
mozilla.org / security/announce/mfsa2005-58.html
novell.com / linux/security/advisories/2005_58_mozilla.html
redhat.com / archives/fedora-legacy-announce/2006-January/msg00004.html
redhat.com / support/errata/RHSA-2005-785.html
redhat.com / support/errata/RHSA-2005-789.html
redhat.com / support/errata/RHSA-2005-791.html
securityfocus.com / bid/14918
securityfocus.com / bid/15495
ubuntu.com / usn/usn-200-1
vupen.com / english/advisories/2005/1824