CVE-2002-1091

Exp

Netscape 6.2.3 and earlier, and Mozilla 1.0.1, allow remote attackers to corrupt heap memory and execute arbitrary code via a GIF image with a zero width.

Published: 2002-10-04 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-1091 is rated High Exploit Risk (74.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.28%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2002-1091

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2002-1091

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 6.47% 4.28% -2.18%
2 2025-12-17 5.20% 6.47% +1.27%
3 2025-09-16 — 5.20% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-1091

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-2002-1091

OS Trackers for CVE-2002-1091

vendor priority summary link
redhat high — https://access.redhat.com/security/cve/CVE-2002-1091

Affected software / configurations for CVE-2002-1091

Vendor Product Version Raw CPE
mozilla mozilla 0.9.5 cpe:2.3:a:mozilla:mozilla:0.9.5:*:*:*:*:*:*:*
mozilla mozilla 0.9.6 cpe:2.3:a:mozilla:mozilla:0.9.6:*:*:*:*:*:*:*
mozilla mozilla 0.9.7 cpe:2.3:a:mozilla:mozilla:0.9.7:*:*:*:*:*:*:*
mozilla mozilla 0.9.8 cpe:2.3:a:mozilla:mozilla:0.9.8:*:*:*:*:*:*:*
mozilla mozilla 0.9.9 cpe:2.3:a:mozilla:mozilla:0.9.9:*:*:*:*:*:*:*
mozilla mozilla 1.0 cpe:2.3:a:mozilla:mozilla:1.0:*:*:*:*:*:*:*
netscape navigator 6.2 cpe:2.3:a:netscape:navigator:6.2:*:*:*:*:*:*:*
netscape navigator 6.2.1 cpe:2.3:a:netscape:navigator:6.2.1:*:*:*:*:*:*:*
netscape navigator 6.2.2 cpe:2.3:a:netscape:navigator:6.2.2:*:*:*:*:*:*:*
netscape navigator 6.2.3 cpe:2.3:a:netscape:navigator:6.2.3:*:*:*:*:*:*:*
opera_software opera_web_browser 5.12 cpe:2.3:a:opera_software:opera_web_browser:5.12:*:*:*:*:*:*:*
opera_software opera_web_browser 6.0 cpe:2.3:a:opera_software:opera_web_browser:6.0:*:*:*:*:*:*:*
opera_software opera_web_browser 6.0.1 cpe:2.3:a:opera_software:opera_web_browser:6.0.1:*:*:*:*:*:*:*

References for CVE-2002-1091

cvelogic Threat Intelligence