CVE-2003-1321
Buffer overflow in Avant Browser 8.02 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long URL in an HTTP request.
Does this matter?
A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 4.5%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
Buffer overflow in Avant Browser 8.02 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long URL in an HTTP request.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 4.50% probability · 91th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 21 August 2003
- CISA KEV
- Not listed
- Affected
- avant force/avant browser
- Source
- cve@mitre.org
EPSS 4.5% 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.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://marc.info/?l=bugtraq&m=106150462504484&w=2Exploit
- http://www.securityfocus.com/bid/8471
- https://exchange.xforce.ibmcloud.com/vulnerabilities/12974
- http://marc.info/?l=bugtraq&m=106150462504484&w=2Exploit
- http://www.securityfocus.com/bid/8471
- https://exchange.xforce.ibmcloud.com/vulnerabilities/12974
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.