Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and…
Priority LOW 37CWE-254Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 allows remote attackers to bypass cross-site scripting (XSS) protection by changing the src attribute of an IMG element to a javascript: URI.
Why it matters now
EPSS 0.04204 91st percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | 1.5 to before 1.5.0.9; 2.0 to before 2.0.0.1 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* | before 1.0.7 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | before 1.5.0.9 | Vulnerable | Mozilla |
| cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Debian |
| cpe:2.3:o:canonical:ubuntu_linux:5.10:*:*:*:*:*:*:* | 5.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:* | 6.06 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:6.10:*:*:*:*:*:*:* | 6.10 | Vulnerable | Canonical |
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions 1.5 to before 1.5.0.9; 2.0 to before 2.0.0.1 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* Versions before 1.0.7 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 1.5.0.9 Vulnerable ·Mozilla
- cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Debian
- cpe:2.3:o:canonical:ubuntu_linux:5.10:*:*:*:*:*:*:* Versions 5.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:* Versions 6.06 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:6.10:*:*:*:*:*:*:* Versions 6.10 Vulnerable ·Canonical
Remediation
Red Hat 3 advisories
- RHSA-2006:0758 Released 2006-12-19 · Red Hat rating Criticalfirefox security update
- Red Hat Enterprise Linux AS version 4 firefox-1.5.0.9-0.1.el4, firefox-1.5.0.9-0.1.el4.i386, firefox-1.5.0.9-0.1.el4.ia64 +1
- Red Hat Enterprise Linux Desktop version 4 firefox-1.5.0.9-0.1.el4, firefox-1.5.0.9-0.1.el4.i386
- Red Hat Enterprise Linux ES version 4 firefox-1.5.0.9-0.1.el4, firefox-1.5.0.9-0.1.el4.i386, firefox-1.5.0.9-0.1.el4.ia64
- Red Hat Enterprise Linux WS version 4 firefox-1.5.0.9-0.1.el4, firefox-1.5.0.9-0.1.el4.i386, firefox-1.5.0.9-0.1.el4.ia64
- RHSA-2006:0759 Released 2006-12-19 · Red Hat rating Criticalseamonkey security update
- Red Hat Desktop version 3 seamonkey-1.0.7-0.1.el3, seamonkey-1.0.7-0.1.el3.i386, seamonkey-chat-1.0.7-0.1.el3 +17
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1 seamonkey-1.0.7-0.1.el2, seamonkey-1.0.7-0.1.el2.i386, seamonkey-1.0.7-0.1.el2.ia64 +18
- Red Hat Enterprise Linux AS version 3 seamonkey-1.0.7-0.1.el3, seamonkey-1.0.7-0.1.el3.i386, seamonkey-1.0.7-0.1.el3.ia64 +37
- Red Hat Enterprise Linux AS version 4 devhelp-0.10-0.6.el4, devhelp-0.10-0.6.el4.i386, devhelp-0.10-0.6.el4.ppc +27
- Red Hat Enterprise Linux Desktop version 4 devhelp-0.10-0.6.el4, devhelp-0.10-0.6.el4.i386, devhelp-devel-0.10-0.6.el4 +13
- Red Hat Enterprise Linux ES version 2.1 seamonkey-1.0.7-0.1.el2, seamonkey-1.0.7-0.1.el2.i386, seamonkey-chat-1.0.7-0.1.el2.i386 +8
- Red Hat Enterprise Linux ES version 3 seamonkey-1.0.7-0.1.el3, seamonkey-1.0.7-0.1.el3.i386, seamonkey-1.0.7-0.1.el3.ia64 +27
- Red Hat Enterprise Linux ES version 4 devhelp-0.10-0.6.el4, devhelp-0.10-0.6.el4.i386, devhelp-devel-0.10-0.6.el4 +19
- Red Hat Enterprise Linux WS version 2.1 seamonkey-1.0.7-0.1.el2, seamonkey-1.0.7-0.1.el2.i386, seamonkey-chat-1.0.7-0.1.el2.i386 +8
- Red Hat Enterprise Linux WS version 3 seamonkey-1.0.7-0.1.el3, seamonkey-1.0.7-0.1.el3.i386, seamonkey-1.0.7-0.1.el3.ia64 +27
- Red Hat Enterprise Linux WS version 4 devhelp-0.10-0.6.el4, devhelp-0.10-0.6.el4.i386, devhelp-devel-0.10-0.6.el4 +19
- Red Hat Linux Advanced Workstation 2.1 seamonkey-1.0.7-0.1.el2, seamonkey-1.0.7-0.1.el2.ia64, seamonkey-chat-1.0.7-0.1.el2.ia64 +8
- RHSA-2006:0760 Released 2006-12-19 · Red Hat rating Criticalthunderbird security update
- Red Hat Enterprise Linux AS version 4 thunderbird-1.5.0.9-0.1.el4, thunderbird-1.5.0.9-0.1.el4.i386, thunderbird-1.5.0.9-0.1.el4.ia64 +1
- Red Hat Enterprise Linux Desktop version 4 thunderbird-1.5.0.9-0.1.el4, thunderbird-1.5.0.9-0.1.el4.i386
- Red Hat Enterprise Linux ES version 4 thunderbird-1.5.0.9-0.1.el4, thunderbird-1.5.0.9-0.1.el4.i386, thunderbird-1.5.0.9-0.1.el4.ia64
- Red Hat Enterprise Linux WS version 4 thunderbird-1.5.0.9-0.1.el4, thunderbird-1.5.0.9-0.1.el4.i386, thunderbird-1.5.0.9-0.1.el4.ia64
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2006:0759 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2006:0759 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2006:0759 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2006:0758, RHSA-2006:0759, RHSA-2006:0760 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2006:0758, RHSA-2006:0759, RHSA-2006:0760 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2006:0759 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2006:0759 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2006:0758, RHSA-2006:0759, RHSA-2006:0760 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2006:0759 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2006:0759 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2006:0758, RHSA-2006:0759, RHSA-2006:0760 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2006:0759 |
Timeline
- 2026-10-02 Threatist record created from CVE-2006-6503
- 2026-10-03 Alias added: GHSA-fqqr-pvfq-qprq
References
Advisory 25
- VU#405092
- MDKSA-2007:010
- ADV-2006-5068
- RHSA-2006:0758
- DSA-1265
- USN-398-2
- GLSA-200701-04
- FEDORA-2006-1491
- HPSBUX02153
- RHSA-2006:0759
- USN-398-1
- ADV-2008-0083
- FEDORA-2007-004
- http://www.mozilla.org/security/announce/2006/mfsa2006-72.html
- SUSE-SA:2006:080
- GLSA-200701-03
- oval:org.mitre.oval:def:10895
- TA06-354A
- DSA-1253
- DSA-1258
- SUSE-SA:2007:006
- MDKSA-2007:011
- GLSA-200701-02
- RHSA-2006:0760
- USN-400-1
Sources
- CVE-2006-6503 · CVE Program
- CVE-2006-6503 · NVD
- FIRST EPSS
- GHSA-fqqr-pvfq-qprq · GitHub Advisory Database · CC BY 4.0
- CVE-2006-6503 · Red Hat security data · CC BY 4.0
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