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Fencer Vulns
medium 6.4

CVE-2007-0779 json

GUI overlay vulnerability in Mozilla Firefox 1.5.x before 1.5.0.10 and 2.x before 2.0.0.2, and SeaMonkey before 1.0.8 allows remote attacke…

published 2007-02-26 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-0776

cvss
6.4
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

GUI overlay vulnerability in Mozilla Firefox 1.5.x before 1.5.0.10 and 2.x before 2.0.0.2, and SeaMonkey before 1.0.8 allows remote attackers to spoof certain user interface elements, such as the host name or security indicators, via the CSS3 hotspot property with a large, transparent, custom cursor.

Patch / fix

  • thunderbird RHEL 5 1.5.0.10-1.el5
  • firefox RHEL 5 1.5.0.10-2.el5
  • yelp RHEL 5 2.16.0-14.0.1.el5
  • devhelp RHEL 5 0.12-10.0.1.el5
  • firefox RHEL 4 1.5.0.10-0.1.el4
  • thunderbird RHEL 4 1.5.0.10-0.1.el4
  • seamonkey RHEL 2.1 1.0.8-0.2.el2
  • seamonkey RHEL 3 1.0.8-0.2.el3

red hat advisories RHSA-2007:0108RHSA-2007:0097RHSA-2007:0079RHSA-2007:0078RHSA-2007:0077

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-0779 updated

security flaw

  • Red Hat Desktop version 3 seamonkey 1.0.8-0.2.el3, seamonkey-nss 1.0.8-0.2.el3, seamonkey-chat 1.0.8-0.2.el3, seamonkey-mail 1.0.8-0.2.el3, seamonkey-nspr 1.0.8-0.2.el3, seamonkey-js-debugger 1.0.8-0.2.el3, +1 more
    fixed: vendor fix RHSA-2007:0077
  • Red Hat Enterprise Linux (v. 5 server) firefox 1.5.0.10-2.el5, yelp 2.16.0-14.0.1.el5, devhelp 0.12-10.0.1.el5
    fixed: vendor fix RHSA-2007:0097
  • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 seamonkey 1.0.8-0.2.el2, seamonkey-nss 1.0.8-0.2.el2, seamonkey-chat 1.0.8-0.2.el2, seamonkey-mail 1.0.8-0.2.el2, seamonkey-nspr 1.0.8-0.2.el2, seamonkey-js-debugger 1.0.8-0.2.el2, +1 more Red Hat Enterprise Linux AS version 3 seamonkey 1.0.8-0.2.el3, seamonkey-nss 1.0.8-0.2.el3, seamonkey-chat 1.0.8-0.2.el3, seamonkey-mail 1.0.8-0.2.el3, seamonkey-nspr 1.0.8-0.2.el3, seamonkey-js-debugger 1.0.8-0.2.el3, +1 more Red Hat Enterprise Linux AS version 4 devhelp 0.10-0.7.el4, seamonkey 1.0.8-0.2.el4, firefox 1.5.0.10-0.1.el4, seamonkey-chat 1.0.8-0.2.el4, seamonkey-mail 1.0.8-0.2.el4, thunderbird 1.5.0.10-0.1.el4, +2 more
    fixed: vendor fix RHSA-2007:0077
  • Red Hat Enterprise Linux Desktop (v. 5 client) firefox 1.5.0.10-2.el5, yelp 2.16.0-14.0.1.el5, devhelp 0.12-10.0.1.el5, thunderbird 1.5.0.10-1.el5
    fixed: vendor fix RHSA-2007:0097
  • Red Hat Enterprise Linux Desktop version 4 devhelp 0.10-0.7.el4, seamonkey 1.0.8-0.2.el4, firefox 1.5.0.10-0.1.el4, seamonkey-chat 1.0.8-0.2.el4, seamonkey-mail 1.0.8-0.2.el4, thunderbird 1.5.0.10-0.1.el4, +2 more
    fixed: vendor fix RHSA-2007:0077
  • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) devhelp 0.12-10.0.1.el5
    fixed: vendor fix RHSA-2007:0097
  • Red Hat Enterprise Linux ES version 2.1 seamonkey 1.0.8-0.2.el2, seamonkey-nss 1.0.8-0.2.el2, seamonkey-chat 1.0.8-0.2.el2, seamonkey-mail 1.0.8-0.2.el2, seamonkey-nspr 1.0.8-0.2.el2, seamonkey-js-debugger 1.0.8-0.2.el2, +1 more Red Hat Enterprise Linux ES version 3 seamonkey 1.0.8-0.2.el3, seamonkey-nss 1.0.8-0.2.el3, seamonkey-chat 1.0.8-0.2.el3, seamonkey-mail 1.0.8-0.2.el3, seamonkey-nspr 1.0.8-0.2.el3, seamonkey-js-debugger 1.0.8-0.2.el3, +1 more Red Hat Enterprise Linux ES version 4 devhelp 0.10-0.7.el4, seamonkey 1.0.8-0.2.el4, firefox 1.5.0.10-0.1.el4, seamonkey-chat 1.0.8-0.2.el4, seamonkey-mail 1.0.8-0.2.el4, thunderbird 1.5.0.10-0.1.el4, +2 more Red Hat Enterprise Linux WS version 2.1 seamonkey 1.0.8-0.2.el2, seamonkey-nss 1.0.8-0.2.el2, seamonkey-chat 1.0.8-0.2.el2, seamonkey-mail 1.0.8-0.2.el2, seamonkey-nspr 1.0.8-0.2.el2, seamonkey-js-debugger 1.0.8-0.2.el2, +1 more Red Hat Enterprise Linux WS version 3 seamonkey 1.0.8-0.2.el3, seamonkey-nss 1.0.8-0.2.el3, seamonkey-chat 1.0.8-0.2.el3, seamonkey-mail 1.0.8-0.2.el3, seamonkey-nspr 1.0.8-0.2.el3, seamonkey-js-debugger 1.0.8-0.2.el3, +1 more Red Hat Enterprise Linux WS version 4 devhelp 0.10-0.7.el4, seamonkey 1.0.8-0.2.el4, firefox 1.5.0.10-0.1.el4, seamonkey-chat 1.0.8-0.2.el4, seamonkey-mail 1.0.8-0.2.el4, thunderbird 1.5.0.10-0.1.el4, +2 more
    +1 more products
    Red Hat Linux Advanced Workstation 2.1 seamonkey 1.0.8-0.2.el2, seamonkey-nss 1.0.8-0.2.el2, seamonkey-chat 1.0.8-0.2.el2, seamonkey-mail 1.0.8-0.2.el2, seamonkey-nspr 1.0.8-0.2.el2, seamonkey-js-debugger 1.0.8-0.2.el2, +1 more
    fixed: vendor fix RHSA-2007:0077

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.60% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:P/A:N

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.