CVE Tools
Sign in

CVE-2003-0791

Published: Apr 14, 2005Updated: Apr 16, 2026 Sources: CVE List NVDCWE-502
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
2.1%
Top 20.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

The Script.prototype.freeze/thaw functionality in Mozilla 1.4 and earlier allows attackers to execute native methods by modifying the string used as input to the script.thaw JavaScript function, which is then deserialized and executed.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-502

Affected Products

mozillamozilla
Desktop App
Consumer Software / browser
openserversco
On-premOS
Operating Systems / unix-bsd
n/an/a
mozillaoss-projectUSConsumer Softwareaka mozilla corp.
scocommercialUSOperating Systemsaka the sco group, sco group

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

3 techniques
Execution
Initial Access
View detailed technique mapping

References

http://secunia.com/advisories/11103/
secunia.com
http://www.mandriva.com/security/advisories?name=MDKSA-2004:021
mandriva.com
http://www.osvdb.org/8390
osvdb.org
and 3 more references View all →

Timeline

Published
Apr 14, 2005
Last Updated
Apr 16, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2003-0791 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows