CVE-2008-5178

Exp

Heap-based buffer overflow in Opera 9.62 on Windows allows remote attackers to execute arbitrary code via a long file:// URI. NOTE: this might overlap CVE-2008-5680.

Published: 2008-11-20 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2008-5178 is rated High Exploit Risk (90.1/100): CVSS Critical severity, with high exploitation likelihood (EPSS 31.51%, 98th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +3.63% over the last day, indicating growing attacker interest. Mandatory action: 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-2008-5178

EDB-ID Source Kind Published Link
7135 exploit_db edb 2008-11-17 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2008-5178

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 2026-06-29 27.88% 31.51% +3.63%
2 2026-06-15 38.81% 27.88% -10.93%
3 2025-11-20 38.81%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-5178

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2008-5178

OS Trackers for CVE-2008-5178

vendor priority summary link
gentoo normal CVE-2008-5178: 1 GLSA(s) (200903-30), 1 atom(s) (www-client/opera); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-5178

Affected software / configurations for CVE-2008-5178

Vendor Product Version Raw CPE
opera opera 9.62 cpe:2.3:a:opera:opera:9.62:*:*:*:*:*:*:*

References for CVE-2008-5178

cvelogic Threat Intelligence