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Fencer Vulns
medium 6.8

CVE-2007-0994 json

A regression error in Mozilla Firefox 2.x before 2.0.0.2 and 1.x before 1.5.0.10, and SeaMonkey 1.1 before 1.1.1 and 1.0 before 1.0.8, allo…

published 2007-03-06 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-0988

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.3%
EPSS 3.3% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

A regression error in Mozilla Firefox 2.x before 2.0.0.2 and 1.x before 1.5.0.10, and SeaMonkey 1.1 before 1.1.1 and 1.0 before 1.0.8, allows remote attackers to execute arbitrary JavaScript as the user via an HTML mail message with a javascript: URI in an (1) img, (2) link, or (3) style tag, which bypasses the access checks and executes code with chrome privileges.

Patch / fix

  • mozilla firefox 1.5.0.10, 2.0.0.2
  • mozilla seamonkey 1.0.8, 1.1.1
  • 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
  • seamonkey RHEL 2.1 1.0.8-0.2.el2
  • seamonkey RHEL 3 1.0.8-0.2.el3
  • seamonkey RHEL 4 1.0.8-0.2.el4
  • devhelp RHEL 4 0.10-0.7.el4

red hat advisories RHSA-2007:0097RHSA-2007:0079RHSA-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-2007-0994 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, seamonkey-js-debugger 1.0.8-0.2.el4, +1 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
    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, seamonkey-js-debugger 1.0.8-0.2.el4, +1 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, seamonkey-js-debugger 1.0.8-0.2.el4, +1 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, seamonkey-js-debugger 1.0.8-0.2.el4, +1 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

3.31% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugzilla.redhat.com http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=230733 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

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.