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TI-2008-03900 Aliases CVE-2008-4066GHSA-qqhw-rv6h-rvpx

Mozilla Firefox 2.0.0.14, and other versions before 2.0.0.17, allows remote attackers to…

Priority LOW 24CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · Partial · None
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-79.

Summary

Mozilla Firefox 2.0.0.14, and other versions before 2.0.0.17, allows remote attackers to bypass cross-site scripting (XSS) protection mechanisms and conduct XSS attacks via HTML-escaped low surrogate characters that are ignored by the HTML parser, as demonstrated by a "jav&#56325ascript" sequence, aka "HTML escaped low surrogates bug."

Why it matters now

EPSS 0.01761 78th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:2.0.0.14:*:*:*:*:*:*:*2.0.0.14VulnerableMozilla
cpe:2.3:a:mozilla:firefox:2.0.0.15:*:*:*:*:*:*:*2.0.0.15VulnerableMozilla
cpe:2.3:a:mozilla:firefox:2.0.0.16:*:*:*:*:*:*:*2.0.0.16VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:2.0.0.14:*:*:*:*:*:*:* Versions 2.0.0.14 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:2.0.0.15:*:*:*:*:*:*:* Versions 2.0.0.15 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:2.0.0.16:*:*:*:*:*:*:* Versions 2.0.0.16 Vulnerable ·Mozilla

Remediation

Red Hat 2 advisories

  • RHSA-2008:0908 Released 2008-10-01 · Red Hat rating Moderate
    thunderbird security update
    • Red Hat Enterprise Linux AS version 4 thunderbird-1.5.0.12-16.el4, thunderbird-1.5.0.12-16.el4.i386, thunderbird-1.5.0.12-16.el4.ia64 +1
    • Red Hat Enterprise Linux Desktop (v. 5 client) thunderbird-2.0.0.17-1.el5, thunderbird-2.0.0.17-1.el5.i386
    • Red Hat Enterprise Linux Desktop version 4 thunderbird-1.5.0.12-16.el4, thunderbird-1.5.0.12-16.el4.i386
    • Red Hat Enterprise Linux ES version 4 thunderbird-1.5.0.12-16.el4, thunderbird-1.5.0.12-16.el4.i386, thunderbird-1.5.0.12-16.el4.ia64
    • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird-2.0.0.17-1.el5, thunderbird-2.0.0.17-1.el5.i386
    • Red Hat Enterprise Linux WS version 4 thunderbird-1.5.0.12-16.el4, thunderbird-1.5.0.12-16.el4.i386, thunderbird-1.5.0.12-16.el4.ia64
  • RHSA-2008:0882 Released 2008-09-24 · Red Hat rating Critical
    seamonkey security update
    • Red Hat Desktop version 3 seamonkey-1.0.9-0.24.el3, seamonkey-1.0.9-0.24.el3.i386, seamonkey-chat-1.0.9-0.24.el3 +17
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 seamonkey-1.0.9-0.20.el2, seamonkey-1.0.9-0.20.el2.i386, seamonkey-1.0.9-0.20.el2.ia64 +18
    • Red Hat Enterprise Linux AS version 3 seamonkey-1.0.9-0.24.el3, seamonkey-1.0.9-0.24.el3.i386, seamonkey-1.0.9-0.24.el3.ia64 +37
    • Red Hat Enterprise Linux AS version 4 devhelp-0.10-0.10.el4, devhelp-0.10-0.10.el4.i386, devhelp-0.10-0.10.el4.ppc +27
    • Red Hat Enterprise Linux Desktop version 4 devhelp-0.10-0.10.el4, devhelp-0.10-0.10.el4.i386, devhelp-devel-0.10-0.10.el4 +13
    • Red Hat Enterprise Linux ES version 2.1 seamonkey-1.0.9-0.20.el2, seamonkey-1.0.9-0.20.el2.i386, seamonkey-chat-1.0.9-0.20.el2.i386 +8
    • Red Hat Enterprise Linux ES version 3 seamonkey-1.0.9-0.24.el3, seamonkey-1.0.9-0.24.el3.i386, seamonkey-1.0.9-0.24.el3.ia64 +27
    • Red Hat Enterprise Linux ES version 4 devhelp-0.10-0.10.el4, devhelp-0.10-0.10.el4.i386, devhelp-devel-0.10-0.10.el4 +19
    • Red Hat Enterprise Linux WS version 2.1 seamonkey-1.0.9-0.20.el2, seamonkey-1.0.9-0.20.el2.i386, seamonkey-chat-1.0.9-0.20.el2.i386 +8
    • Red Hat Enterprise Linux WS version 3 seamonkey-1.0.9-0.24.el3, seamonkey-1.0.9-0.24.el3.i386, seamonkey-1.0.9-0.24.el3.ia64 +27
    • Red Hat Enterprise Linux WS version 4 devhelp-0.10-0.10.el4, devhelp-0.10-0.10.el4.i386, devhelp-devel-0.10-0.10.el4 +19
    • Red Hat Linux Advanced Workstation 2.1 seamonkey-1.0.9-0.20.el2, seamonkey-1.0.9-0.20.el2.ia64, seamonkey-chat-1.0.9-0.20.el2.ia64 +8

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2008:0882
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2008:0882
Red Hat Enterprise Linux AS version 3Fixed RHSA-2008:0882
Red Hat Enterprise Linux AS version 4Fixed RHSA-2008:0882, RHSA-2008:0908
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2008:0908
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2008:0882, RHSA-2008:0908
Red Hat Enterprise Linux ES version 2.1Fixed RHSA-2008:0882
Red Hat Enterprise Linux ES version 3Fixed RHSA-2008:0882
Red Hat Enterprise Linux ES version 4Fixed RHSA-2008:0882, RHSA-2008:0908
Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server)Fixed RHSA-2008:0908
Red Hat Enterprise Linux WS version 2.1Fixed RHSA-2008:0882
Red Hat Enterprise Linux WS version 3Fixed RHSA-2008:0882
Red Hat Enterprise Linux WS version 4Fixed RHSA-2008:0882, RHSA-2008:0908
Red Hat Linux Advanced Workstation 2.1Fixed RHSA-2008:0882

Timeline

  1. 2026-10-02 Threatist record created from CVE-2008-4066
  2. 2026-10-03 Alias added: GHSA-qqhw-rv6h-rvpx

References

Exploit 2

Advisory 20

Other 4

  • TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
  • TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
  • TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 3444 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences