CVE-2002-1091
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 4.28% probability · 91th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- mozilla/mozilla · netscape/navigator · opera software/opera web browser
- Source
- cve@mitre.org
EPSS 4.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://bugzilla.mozilla.org/show_bug.cgi?id=157989
- http://crash.ihug.co.nz/~Sneuro/zerogif/
- http://marc.info/?l=bugtraq&m=103134051120770&w=2
- http://www.iss.net/security_center/static/10058.phpVendor Advisory
- http://www.mandrakesoft.com/security/advisories?name=MDKSA-2002:075
- http://www.redhat.com/support/errata/RHSA-2002-192.htmlPatch, Vendor Advisory
- http://www.redhat.com/support/errata/RHSA-2003-046.html
- http://www.securityfocus.com/bid/5665Exploit, Patch, Vendor Advisory
- http://bugzilla.mozilla.org/show_bug.cgi?id=157989
- http://crash.ihug.co.nz/~Sneuro/zerogif/
- http://marc.info/?l=bugtraq&m=103134051120770&w=2
- http://www.iss.net/security_center/static/10058.phpVendor Advisory
- http://www.mandrakesoft.com/security/advisories?name=MDKSA-2002:075
- http://www.redhat.com/support/errata/RHSA-2002-192.htmlPatch, Vendor Advisory
- http://www.redhat.com/support/errata/RHSA-2003-046.html
- http://www.securityfocus.com/bid/5665Exploit, Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.