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Fencer Vulns
critical 9.3

CVE-2007-5959 json

Multiple unspecified vulnerabilities in Mozilla Firefox before 2.0.0.10 and SeaMonkey before 1.1.7 allow remote attackers to cause a denial…

published 2007-11-26 18 y ago modified 2026-06-16 4 mo ago also EUVD-2007-5929

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.4%
EPSS 5.4% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Multiple unspecified vulnerabilities in Mozilla Firefox before 2.0.0.10 and SeaMonkey before 1.1.7 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors that trigger memory corruption.

Patch / fix

  • seamonkey RHEL 2.1 1.0.9-0.7.el2
  • seamonkey RHEL 3 1.0.9-0.7.el3
  • seamonkey RHEL 4.5 EUS, RHEL 4 1.0.9-7.el4
  • seamonkey-nss RHEL 2.1 1.0.9-0.7.el2
  • seamonkey-nss RHEL 3 1.0.9-0.7.el3
  • seamonkey-chat RHEL 2.1 1.0.9-0.7.el2
  • seamonkey-chat RHEL 3 1.0.9-0.7.el3
  • seamonkey-chat RHEL 4.5 EUS, RHEL 4 1.0.9-7.el4

red hat advisories RHSA-2007:1084RHSA-2007:1083RHSA-2007:1082

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-2007-5959 updated

Multiple flaws in Firefox

  • Red Hat Desktop version 3 seamonkey 1.0.9-0.7.el3, seamonkey-nss 1.0.9-0.7.el3, seamonkey-chat 1.0.9-0.7.el3, seamonkey-mail 1.0.9-0.7.el3, seamonkey-nspr 1.0.9-0.7.el3, seamonkey-js-debugger 1.0.9-0.7.el3, +1 more
    fixed: vendor fix RHSA-2007:1084
  • Red Hat Enterprise Linux (v. 5 server) firefox 1.5.0.12-7.el5
    fixed: vendor fix RHSA-2007:1082
  • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 seamonkey 1.0.9-0.7.el2, seamonkey-nss 1.0.9-0.7.el2, seamonkey-chat 1.0.9-0.7.el2, seamonkey-mail 1.0.9-0.7.el2, seamonkey-nspr 1.0.9-0.7.el2, seamonkey-js-debugger 1.0.9-0.7.el2, +1 more Red Hat Enterprise Linux AS EUS (v. 4.5) seamonkey 1.0.9-7.el4, firefox 1.5.0.12-0.8.el4, seamonkey-nss 1.0.9-7.el4, seamonkey-chat 1.0.9-7.el4, seamonkey-mail 1.0.9-7.el4, seamonkey-nspr 1.0.9-7.el4, +2 more Red Hat Enterprise Linux AS version 3 seamonkey 1.0.9-0.7.el3, seamonkey-nss 1.0.9-0.7.el3, seamonkey-chat 1.0.9-0.7.el3, seamonkey-mail 1.0.9-0.7.el3, seamonkey-nspr 1.0.9-0.7.el3, seamonkey-js-debugger 1.0.9-0.7.el3, +1 more Red Hat Enterprise Linux AS version 4 seamonkey 1.0.9-7.el4, firefox 1.5.0.12-0.8.el4, seamonkey-chat 1.0.9-7.el4, seamonkey-mail 1.0.9-7.el4, thunderbird 1.5.0.12-7.el4, seamonkey-js-debugger 1.0.9-7.el4, +1 more
    fixed: vendor fix RHSA-2007:1084
  • Red Hat Enterprise Linux Desktop (v. 5 client) firefox 1.5.0.12-7.el5, thunderbird 1.5.0.12-7.el5
    fixed: vendor fix RHSA-2007:1082
  • Red Hat Enterprise Linux Desktop version 4 seamonkey 1.0.9-7.el4, firefox 1.5.0.12-0.8.el4, seamonkey-chat 1.0.9-7.el4, seamonkey-mail 1.0.9-7.el4, thunderbird 1.5.0.12-7.el4, seamonkey-js-debugger 1.0.9-7.el4, +1 more Red Hat Enterprise Linux ES EUS (v. 4.5) seamonkey 1.0.9-7.el4, firefox 1.5.0.12-0.8.el4, seamonkey-nss 1.0.9-7.el4, seamonkey-chat 1.0.9-7.el4, seamonkey-mail 1.0.9-7.el4, seamonkey-nspr 1.0.9-7.el4, +2 more Red Hat Enterprise Linux ES version 2.1 seamonkey 1.0.9-0.7.el2, seamonkey-nss 1.0.9-0.7.el2, seamonkey-chat 1.0.9-0.7.el2, seamonkey-mail 1.0.9-0.7.el2, seamonkey-nspr 1.0.9-0.7.el2, seamonkey-js-debugger 1.0.9-0.7.el2, +1 more Red Hat Enterprise Linux ES version 3 seamonkey 1.0.9-0.7.el3, seamonkey-nss 1.0.9-0.7.el3, seamonkey-chat 1.0.9-0.7.el3, seamonkey-mail 1.0.9-0.7.el3, seamonkey-nspr 1.0.9-0.7.el3, seamonkey-js-debugger 1.0.9-0.7.el3, +1 more Red Hat Enterprise Linux ES version 4 seamonkey 1.0.9-7.el4, firefox 1.5.0.12-0.8.el4, seamonkey-chat 1.0.9-7.el4, seamonkey-mail 1.0.9-7.el4, thunderbird 1.5.0.12-7.el4, seamonkey-js-debugger 1.0.9-7.el4, +1 more
    fixed: vendor fix RHSA-2007:1084
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 1.5.0.12-7.el5
    fixed: vendor fix RHSA-2007:1083
  • Red Hat Enterprise Linux WS version 2.1 seamonkey 1.0.9-0.7.el2, seamonkey-nss 1.0.9-0.7.el2, seamonkey-chat 1.0.9-0.7.el2, seamonkey-mail 1.0.9-0.7.el2, seamonkey-nspr 1.0.9-0.7.el2, seamonkey-js-debugger 1.0.9-0.7.el2, +1 more Red Hat Enterprise Linux WS version 3 seamonkey 1.0.9-0.7.el3, seamonkey-nss 1.0.9-0.7.el3, seamonkey-chat 1.0.9-0.7.el3, seamonkey-mail 1.0.9-0.7.el3, seamonkey-nspr 1.0.9-0.7.el3, seamonkey-js-debugger 1.0.9-0.7.el3, +1 more Red Hat Enterprise Linux WS version 4 seamonkey 1.0.9-7.el4, firefox 1.5.0.12-0.8.el4, seamonkey-chat 1.0.9-7.el4, seamonkey-mail 1.0.9-7.el4, thunderbird 1.5.0.12-7.el4, seamonkey-js-debugger 1.0.9-7.el4, +1 more Red Hat Linux Advanced Workstation 2.1 seamonkey 1.0.9-0.7.el2, seamonkey-nss 1.0.9-0.7.el2, seamonkey-chat 1.0.9-0.7.el2, seamonkey-mail 1.0.9-0.7.el2, seamonkey-nspr 1.0.9-0.7.el2, seamonkey-js-debugger 1.0.9-0.7.el2, +1 more
    fixed: vendor fix RHSA-2007:1084

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

5.44% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

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.