CVE-2005-0592

Heap-based buffer overflow in the UTF8ToNewUnicode function for Firefox before 1.0.1 and Mozilla before 1.7.6 might allow remote attackers to cause a denial of service (crash) or execute arbitrary code via invalid sequences in a UTF8 encoded string that result in a zero length value.

Published: 2005-03-25 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-0592 is rated Moderate Risk (61.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.86%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2005-0592

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 3.41% 3.86% +0.45%
2 2025-03-30 6.92% 3.41% -3.51%
3 2025-03-29 — 6.92% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-0592

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2005-0592

OS Trackers for CVE-2005-0592

vendor priority summary link
redhat high — https://access.redhat.com/security/cve/CVE-2005-0592
ubuntu medium CVE-2005-0592 medium priority: Ubuntu including 2 source packages (mozilla, mozilla-thunderbird), 8 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 2, released 2, DNE 1. https://ubuntu.com/security/CVE-2005-0592

Affected software / configurations for CVE-2005-0592

Vendor Product Version Raw CPE
mozilla firefox 0.8 cpe:2.3:a:mozilla:firefox:0.8:*:*:*:*:*:*:*
mozilla firefox 0.9 cpe:2.3:a:mozilla:firefox:0.9:*:*:*:*:*:*:*
mozilla firefox 0.9 cpe:2.3:a:mozilla:firefox:0.9:rc:*:*:*:*:*:*
mozilla firefox 0.9.1 cpe:2.3:a:mozilla:firefox:0.9.1:*:*:*:*:*:*:*
mozilla firefox 0.9.2 cpe:2.3:a:mozilla:firefox:0.9.2:*:*:*:*:*:*:*
mozilla firefox 0.9.3 cpe:2.3:a:mozilla:firefox:0.9.3:*:*:*:*:*:*:*
mozilla firefox 0.10 cpe:2.3:a:mozilla:firefox:0.10:*:*:*:*:*:*:*
mozilla firefox 0.10.1 cpe:2.3:a:mozilla:firefox:0.10.1:*:*:*:*:*:*:*
mozilla firefox 1.0 cpe:2.3:a:mozilla:firefox:1.0:*:*:*:*:*:*:*
mozilla mozilla 1.3 cpe:2.3:a:mozilla:mozilla:1.3:*:*:*:*:*:*:*
mozilla mozilla 1.4 cpe:2.3:a:mozilla:mozilla:1.4:*:*:*:*:*:*:*
mozilla mozilla 1.4 cpe:2.3:a:mozilla:mozilla:1.4:alpha:*:*:*:*:*:*
mozilla mozilla 1.4.1 cpe:2.3:a:mozilla:mozilla:1.4.1:*:*:*:*:*:*:*
mozilla mozilla 1.5 cpe:2.3:a:mozilla:mozilla:1.5:*:*:*:*:*:*:*
mozilla mozilla 1.5 cpe:2.3:a:mozilla:mozilla:1.5:alpha:*:*:*:*:*:*
mozilla mozilla 1.5 cpe:2.3:a:mozilla:mozilla:1.5:rc1:*:*:*:*:*:*
mozilla mozilla 1.5 cpe:2.3:a:mozilla:mozilla:1.5:rc2:*:*:*:*:*:*
mozilla mozilla 1.5.1 cpe:2.3:a:mozilla:mozilla:1.5.1:*:*:*:*:*:*:*
mozilla mozilla 1.6 cpe:2.3:a:mozilla:mozilla:1.6:*:*:*:*:*:*:*
mozilla mozilla 1.6 cpe:2.3:a:mozilla:mozilla:1.6:alpha:*:*:*:*:*:*
mozilla mozilla 1.6 cpe:2.3:a:mozilla:mozilla:1.6:beta:*:*:*:*:*:*
mozilla mozilla 1.7 cpe:2.3:a:mozilla:mozilla:1.7:*:*:*:*:*:*:*
mozilla mozilla 1.7 cpe:2.3:a:mozilla:mozilla:1.7:alpha:*:*:*:*:*:*
mozilla mozilla 1.7 cpe:2.3:a:mozilla:mozilla:1.7:beta:*:*:*:*:*:*
mozilla mozilla 1.7 cpe:2.3:a:mozilla:mozilla:1.7:rc1:*:*:*:*:*:*
mozilla mozilla 1.7 cpe:2.3:a:mozilla:mozilla:1.7:rc2:*:*:*:*:*:*
mozilla mozilla 1.7 cpe:2.3:a:mozilla:mozilla:1.7:rc3:*:*:*:*:*:*
mozilla mozilla 1.7.1 cpe:2.3:a:mozilla:mozilla:1.7.1:*:*:*:*:*:*:*
mozilla mozilla 1.7.2 cpe:2.3:a:mozilla:mozilla:1.7.2:*:*:*:*:*:*:*
mozilla mozilla 1.7.3 cpe:2.3:a:mozilla:mozilla:1.7.3:*:*:*:*:*:*:*
mozilla mozilla 1.7.5 cpe:2.3:a:mozilla:mozilla:1.7.5:*:*:*:*:*:*:*

References for CVE-2005-0592

cvelogic Threat Intelligence