CVE-2003-0870 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 15.4% (pctl 97)
Patch early
A public exploit exists.
Description
Heap-based buffer overflow in Opera 7.11 and 7.20 allows remote attackers to execute arbitrary code via an HREF with a large number of escaped characters in the server name.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 15.43% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2003-11-17 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| opera | opera browser |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Opera 7.11/7.20 HREF - Malformed Server Name Heap Corruption | 2003-10-20 |
References
- http://archives.neohapsis.com/archives/vulnwatch/2003-q4/0016.html
- http://www.atstake.com/research/advisories/2003/a102003-1.txt
- http://www.securityfocus.com/bid/8853
- https://exchange.xforce.ibmcloud.com/vulnerabilities/13458
- http://archives.neohapsis.com/archives/vulnwatch/2003-q4/0016.html
- http://www.atstake.com/research/advisories/2003/a102003-1.txt
- http://www.securityfocus.com/bid/8853
- https://exchange.xforce.ibmcloud.com/vulnerabilities/13458
→ the Explorer · watch your stack · NVD