The JavaScript engine in Mozilla Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18…
Priority MEDIUM 49CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.
Summary
The JavaScript engine in Mozilla Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to cause a denial of service (crash) via vectors related to "insufficient class checking" in the Date class.
Why it matters now
EPSS 0.03839 90th 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:*:*:*:*:*:*:*:* | 2.0 to before 2.0.0.18; 3.0 to before 3.0.4 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* | 1.0 to before 1.1.13 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | 2.0 to before 2.0.0.18 | Vulnerable | Mozilla |
| cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Debian |
| cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:* | 6.06 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:7.10:*:*:*:*:*:*:* | 7.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:* | 8.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:* | 8.10 | Vulnerable | Canonical |
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions 2.0 to before 2.0.0.18; 3.0 to before 3.0.4 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* Versions 1.0 to before 1.1.13 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions 2.0 to before 2.0.0.18 Vulnerable ·Mozilla
- cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Debian
- cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:* Versions 6.06 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:7.10:*:*:*:*:*:*:* Versions 7.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:* Versions 8.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:* Versions 8.10 Vulnerable ·Canonical
Remediation
Red Hat 3 advisories
- RHSA-2008:0976 Released 2008-11-20 · Red Hat rating Moderatethunderbird security update
- Red Hat Enterprise Linux AS version 4 thunderbird-1.5.0.12-17.el4, thunderbird-1.5.0.12-17.el4.i386, thunderbird-1.5.0.12-17.el4.ia64 +1
- Red Hat Enterprise Linux Desktop (v. 5 client) thunderbird-2.0.0.18-1.el5, thunderbird-2.0.0.18-1.el5.i386
- Red Hat Enterprise Linux Desktop version 4 thunderbird-1.5.0.12-17.el4, thunderbird-1.5.0.12-17.el4.i386
- Red Hat Enterprise Linux ES version 4 thunderbird-1.5.0.12-17.el4, thunderbird-1.5.0.12-17.el4.i386, thunderbird-1.5.0.12-17.el4.ia64
- Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird-2.0.0.18-1.el5, thunderbird-2.0.0.18-1.el5.i386
- Red Hat Enterprise Linux WS version 4 thunderbird-1.5.0.12-17.el4, thunderbird-1.5.0.12-17.el4.i386, thunderbird-1.5.0.12-17.el4.ia64
- RHSA-2008:0978 Released 2008-11-13 · Red Hat rating Criticalfirefox security update
- Red Hat Enterprise Linux (v. 5 server) devhelp-0.12-20.el5, devhelp-0.12-20.el5.i386, devhelp-0.12-20.el5.ia64 +41
- Red Hat Enterprise Linux AS version 4 firefox-3.0.4-1.el4, firefox-3.0.4-1.el4.i386, firefox-3.0.4-1.el4.ia64 +9
- Red Hat Enterprise Linux Desktop (v. 5 client) devhelp-0.12-20.el5, devhelp-0.12-20.el5.i386, firefox-3.0.4-1.el5 +9
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) devhelp-0.12-20.el5, devhelp-devel-0.12-20.el5, devhelp-devel-0.12-20.el5.i386 +10
- Red Hat Enterprise Linux Desktop version 4 firefox-3.0.4-1.el4, firefox-3.0.4-1.el4.i386, nss-3.12.1.1-3.el4 +3
- Red Hat Enterprise Linux ES version 4 firefox-3.0.4-1.el4, firefox-3.0.4-1.el4.i386, firefox-3.0.4-1.el4.ia64 +6
- Red Hat Enterprise Linux WS version 4 firefox-3.0.4-1.el4, firefox-3.0.4-1.el4.i386, firefox-3.0.4-1.el4.ia64 +6
- RHSA-2008:0977 Released 2008-11-13 · Red Hat rating Criticalseamonkey security update
- Red Hat Desktop version 3 seamonkey-1.0.9-0.25.el3, seamonkey-1.0.9-0.25.el3.i386, seamonkey-chat-1.0.9-0.25.el3 +17
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1 seamonkey-1.0.9-0.21.el2, seamonkey-1.0.9-0.21.el2.i386, seamonkey-1.0.9-0.21.el2.ia64 +18
- Red Hat Enterprise Linux AS version 3 seamonkey-1.0.9-0.25.el3, seamonkey-1.0.9-0.25.el3.i386, seamonkey-1.0.9-0.25.el3.ia64 +37
- Red Hat Enterprise Linux AS version 4 seamonkey-1.0.9-28.el4, seamonkey-1.0.9-28.el4.i386, seamonkey-1.0.9-28.el4.ia64 +21
- Red Hat Enterprise Linux Desktop version 4 seamonkey-1.0.9-28.el4, seamonkey-1.0.9-28.el4.i386, seamonkey-chat-1.0.9-28.el4 +9
- Red Hat Enterprise Linux ES version 2.1 seamonkey-1.0.9-0.21.el2, seamonkey-1.0.9-0.21.el2.i386, seamonkey-chat-1.0.9-0.21.el2.i386 +8
- Red Hat Enterprise Linux ES version 3 seamonkey-1.0.9-0.25.el3, seamonkey-1.0.9-0.25.el3.i386, seamonkey-1.0.9-0.25.el3.ia64 +27
- Red Hat Enterprise Linux ES version 4 seamonkey-1.0.9-28.el4, seamonkey-1.0.9-28.el4.i386, seamonkey-1.0.9-28.el4.ia64 +15
- Red Hat Enterprise Linux WS version 2.1 seamonkey-1.0.9-0.21.el2, seamonkey-1.0.9-0.21.el2.i386, seamonkey-chat-1.0.9-0.21.el2.i386 +8
- Red Hat Enterprise Linux WS version 3 seamonkey-1.0.9-0.25.el3, seamonkey-1.0.9-0.25.el3.i386, seamonkey-1.0.9-0.25.el3.ia64 +27
- Red Hat Enterprise Linux WS version 4 seamonkey-1.0.9-28.el4, seamonkey-1.0.9-28.el4.i386, seamonkey-1.0.9-28.el4.ia64 +15
- Red Hat Linux Advanced Workstation 2.1 seamonkey-1.0.9-0.21.el2, seamonkey-1.0.9-0.21.el2.ia64, seamonkey-chat-1.0.9-0.21.el2.ia64 +8
Vendor assessments
Red Hat
Red Hat rating: Critical. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2008:0977 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2008:0978 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2008:0977 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2008:0977 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2008:0976, RHSA-2008:0977, RHSA-2008:0978 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2008:0976, RHSA-2008:0978 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2008:0978 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2008:0976, RHSA-2008:0977, RHSA-2008:0978 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2008:0977 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2008:0977 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2008:0976, RHSA-2008:0977, RHSA-2008:0978 |
| Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) | Fixed | RHSA-2008:0976 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2008:0977 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2008:0977 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2008:0976, RHSA-2008:0977, RHSA-2008:0978 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2008:0977 |
Timeline
- 2026-10-02 Threatist record created from CVE-2008-5018
- 2026-10-03 Alias added: GHSA-ww2m-xjhr-w96h
- 2026-10-19 EPSS moved to the 90th–95th percentile
References
Advisory 20
- ADV-2008-3146
- DSA-1671
- FEDORA-2008-9667
- RHSA-2008:0977
- MDVSA-2008:230
- ADV-2009-0977
- oval:org.mitre.oval:def:9872
- RHSA-2008:0978
- DSA-1669
- https://bugzilla.mozilla.org/show_bug.cgi?id=452786
- RHSA-2008:0976
- FEDORA-2008-9669
- http://www.mozilla.org/security/announce/2008/mfsa2008-52.html
- 256408
- SUSE-SA:2008:055
- TA08-319A
- DSA-1696
- MDVSA-2008:228
- MDVSA-2008:235
- USN-667-1
Sources
- CVE-2008-5018 · CVE Program
- CVE-2008-5018 · NVD
- FIRST EPSS
- GHSA-ww2m-xjhr-w96h · GitHub Advisory Database · CC BY 4.0
- CVE-2008-5018 · Red Hat security data · CC BY 4.0
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