CVE-2003-0870 describes a heap-based buffer overflow vulnerability in Opera browser versions 7.11 and 7.20. This flaw allows remote attackers to execute arbitrary code by crafting an HREF with an excessive number of escaped characters in the server name. With a CVSS score of 7.5, this vulnerability is considered highly severe due to its network-based attack vector, low attack complexity, and potential for partial confidentiality, integrity, and availability impacts. While not actively exploited in the wild or on the KEV catalog, public exploit code exists on ExploitDB, though there is minimal community discussion or media coverage surrounding this older vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.11CPE matchmatch criteria | cpe:2.3:a:opera:opera_browser:7.11:*:*:*:*:*:*:* | ||
7.20CPE matchmatch criteria | cpe:2.3:a:opera:opera_browser:7.20:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.