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Fencer Vulns
medium 4.3

CVE-2008-0416 json

Multiple cross-site scripting (XSS) vulnerabilities in Mozilla Firefox before 2.0.0.12, Thunderbird before 2.0.0.12, and SeaMonkey before 1…

published 2008-02-12 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-0426

cvss
4.3
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 76%
public exploits
0
none known

Summary

Multiple cross-site scripting (XSS) vulnerabilities in Mozilla Firefox before 2.0.0.12, Thunderbird before 2.0.0.12, and SeaMonkey before 1.1.8 allow remote attackers to inject arbitrary web script or HTML via certain character encodings, including (1) a backspace character that is treated as whitespace, (2) 0x80 with Shift_JIS encoding, and (3) "zero-length non-ASCII sequences" in certain Asian character sets.

Patch / fix

  • seamonkey RHEL 2.1 1.0.9-0.9.el2
  • seamonkey RHEL 3 1.0.9-0.9.el3
  • seamonkey RHEL 4 1.0.9-9.el4
  • seamonkey-nss RHEL 2.1 1.0.9-0.9.el2
  • seamonkey-nss RHEL 3 1.0.9-0.9.el3
  • seamonkey-chat RHEL 2.1 1.0.9-0.9.el2
  • seamonkey-chat RHEL 3 1.0.9-0.9.el3
  • seamonkey-chat RHEL 4 1.0.9-9.el4

red hat advisories RHSA-2008:0104RHSA-2008:0103

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-2008-0416 updated

Mozilla arbitrary code execution

  • Red Hat Desktop version 3 seamonkey 1.0.9-0.9.el3, seamonkey-nss 1.0.9-0.9.el3, seamonkey-chat 1.0.9-0.9.el3, seamonkey-mail 1.0.9-0.9.el3, seamonkey-nspr 1.0.9-0.9.el3, seamonkey-js-debugger 1.0.9-0.9.el3, +1 more
    fixed: vendor fix RHSA-2008:0104
  • Red Hat Enterprise Linux (v. 5 server) firefox 1.5.0.12-9.el5
    fixed: vendor fix RHSA-2008:0103
  • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 seamonkey 1.0.9-0.9.el2, seamonkey-nss 1.0.9-0.9.el2, seamonkey-chat 1.0.9-0.9.el2, seamonkey-mail 1.0.9-0.9.el2, seamonkey-nspr 1.0.9-0.9.el2, seamonkey-js-debugger 1.0.9-0.9.el2, +1 more Red Hat Enterprise Linux AS version 3 seamonkey 1.0.9-0.9.el3, seamonkey-nss 1.0.9-0.9.el3, seamonkey-chat 1.0.9-0.9.el3, seamonkey-mail 1.0.9-0.9.el3, seamonkey-nspr 1.0.9-0.9.el3, seamonkey-js-debugger 1.0.9-0.9.el3, +1 more Red Hat Enterprise Linux AS version 4 seamonkey 1.0.9-9.el4, firefox 1.5.0.12-0.10.el4, seamonkey-chat 1.0.9-9.el4, seamonkey-mail 1.0.9-9.el4, seamonkey-js-debugger 1.0.9-9.el4, seamonkey-dom-inspector 1.0.9-9.el4
    fixed: vendor fix RHSA-2008:0104
  • Red Hat Enterprise Linux Desktop (v. 5 client) firefox 1.5.0.12-9.el5
    fixed: vendor fix RHSA-2008:0103
  • Red Hat Enterprise Linux Desktop version 4 seamonkey 1.0.9-9.el4, firefox 1.5.0.12-0.10.el4, seamonkey-chat 1.0.9-9.el4, seamonkey-mail 1.0.9-9.el4, seamonkey-js-debugger 1.0.9-9.el4, seamonkey-dom-inspector 1.0.9-9.el4 Red Hat Enterprise Linux ES version 2.1 seamonkey 1.0.9-0.9.el2, seamonkey-nss 1.0.9-0.9.el2, seamonkey-chat 1.0.9-0.9.el2, seamonkey-mail 1.0.9-0.9.el2, seamonkey-nspr 1.0.9-0.9.el2, seamonkey-js-debugger 1.0.9-0.9.el2, +1 more Red Hat Enterprise Linux ES version 3 seamonkey 1.0.9-0.9.el3, seamonkey-nss 1.0.9-0.9.el3, seamonkey-chat 1.0.9-0.9.el3, seamonkey-mail 1.0.9-0.9.el3, seamonkey-nspr 1.0.9-0.9.el3, seamonkey-js-debugger 1.0.9-0.9.el3, +1 more Red Hat Enterprise Linux ES version 4 seamonkey 1.0.9-9.el4, firefox 1.5.0.12-0.10.el4, seamonkey-chat 1.0.9-9.el4, seamonkey-mail 1.0.9-9.el4, seamonkey-js-debugger 1.0.9-9.el4, seamonkey-dom-inspector 1.0.9-9.el4 Red Hat Enterprise Linux WS version 2.1 seamonkey 1.0.9-0.9.el2, seamonkey-nss 1.0.9-0.9.el2, seamonkey-chat 1.0.9-0.9.el2, seamonkey-mail 1.0.9-0.9.el2, seamonkey-nspr 1.0.9-0.9.el2, seamonkey-js-debugger 1.0.9-0.9.el2, +1 more Red Hat Enterprise Linux WS version 3 seamonkey 1.0.9-0.9.el3, seamonkey-nss 1.0.9-0.9.el3, seamonkey-chat 1.0.9-0.9.el3, seamonkey-mail 1.0.9-0.9.el3, seamonkey-nspr 1.0.9-0.9.el3, seamonkey-js-debugger 1.0.9-0.9.el3, +1 more
    +2 more products
    Red Hat Enterprise Linux WS version 4 seamonkey 1.0.9-9.el4, firefox 1.5.0.12-0.10.el4, seamonkey-chat 1.0.9-9.el4, seamonkey-mail 1.0.9-9.el4, seamonkey-js-debugger 1.0.9-9.el4, seamonkey-dom-inspector 1.0.9-9.el4 Red Hat Linux Advanced Workstation 2.1 seamonkey 1.0.9-0.9.el2, seamonkey-nss 1.0.9-0.9.el2, seamonkey-chat 1.0.9-0.9.el2, seamonkey-mail 1.0.9-0.9.el2, seamonkey-nspr 1.0.9-0.9.el2, seamonkey-js-debugger 1.0.9-0.9.el2, +1 more
    fixed: vendor fix RHSA-2008:0104

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

1.62% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.