CVE-2012-6468

Heap-based buffer overflow in Opera before 12.11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a long HTTP response.

Published: 2013-01-02 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-6468 is rated High Risk (67.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 6.42%, 91th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-6468

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 2025-09-25 8.06% 6.42% -1.65%
2 2025-03-30 6.37% 8.06% +1.69%
3 2025-03-29 — 6.37% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-6468

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-2012-6468

OS Trackers for CVE-2012-6468

vendor priority summary link
gentoo normal CVE-2012-6468: 1 GLSA(s) (201406-14), 1 atom(s) (www-client/opera); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-6468

Affected software / configurations for CVE-2012-6468

Vendor Product Version Raw CPE
opera opera_browser <= 12.10 cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:*
opera opera_browser 1.00 cpe:2.3:a:opera:opera_browser:1.00:*:*:*:*:*:*:*
opera opera_browser 2.00 cpe:2.3:a:opera:opera_browser:2.00:*:*:*:*:*:*:*
opera opera_browser 2.10 cpe:2.3:a:opera:opera_browser:2.10:*:*:*:*:*:*:*
opera opera_browser 2.10 cpe:2.3:a:opera:opera_browser:2.10:beta1:*:*:*:*:*:*
opera opera_browser 2.10 cpe:2.3:a:opera:opera_browser:2.10:beta2:*:*:*:*:*:*
opera opera_browser 2.10 cpe:2.3:a:opera:opera_browser:2.10:beta3:*:*:*:*:*:*
opera opera_browser 2.12 cpe:2.3:a:opera:opera_browser:2.12:*:*:*:*:*:*:*
opera opera_browser 3.00 cpe:2.3:a:opera:opera_browser:3.00:*:*:*:*:*:*:*
opera opera_browser 3.00 cpe:2.3:a:opera:opera_browser:3.00:beta:*:*:*:*:*:*
opera opera_browser 3.10 cpe:2.3:a:opera:opera_browser:3.10:*:*:*:*:*:*:*
opera opera_browser 3.21 cpe:2.3:a:opera:opera_browser:3.21:*:*:*:*:*:*:*
opera opera_browser 3.50 cpe:2.3:a:opera:opera_browser:3.50:*:*:*:*:*:*:*
opera opera_browser 3.51 cpe:2.3:a:opera:opera_browser:3.51:*:*:*:*:*:*:*
opera opera_browser 3.60 cpe:2.3:a:opera:opera_browser:3.60:*:*:*:*:*:*:*
opera opera_browser 3.61 cpe:2.3:a:opera:opera_browser:3.61:*:*:*:*:*:*:*
opera opera_browser 3.62 cpe:2.3:a:opera:opera_browser:3.62:*:*:*:*:*:*:*
opera opera_browser 3.62 cpe:2.3:a:opera:opera_browser:3.62:beta:*:*:*:*:*:*
opera opera_browser 4.00 cpe:2.3:a:opera:opera_browser:4.00:*:*:*:*:*:*:*
opera opera_browser 4.00 cpe:2.3:a:opera:opera_browser:4.00:beta2:*:*:*:*:*:*
opera opera_browser 4.00 cpe:2.3:a:opera:opera_browser:4.00:beta3:*:*:*:*:*:*
opera opera_browser 4.00 cpe:2.3:a:opera:opera_browser:4.00:beta4:*:*:*:*:*:*
opera opera_browser 4.00 cpe:2.3:a:opera:opera_browser:4.00:beta5:*:*:*:*:*:*
opera opera_browser 4.00 cpe:2.3:a:opera:opera_browser:4.00:beta6:*:*:*:*:*:*
opera opera_browser 4.01 cpe:2.3:a:opera:opera_browser:4.01:*:*:*:*:*:*:*
opera opera_browser 4.02 cpe:2.3:a:opera:opera_browser:4.02:*:*:*:*:*:*:*
opera opera_browser 5.0 cpe:2.3:a:opera:opera_browser:5.0:*:*:*:*:*:*:*
opera opera_browser 5.0 cpe:2.3:a:opera:opera_browser:5.0:beta2:*:*:*:*:*:*
opera opera_browser 5.0 cpe:2.3:a:opera:opera_browser:5.0:beta3:*:*:*:*:*:*
opera opera_browser 5.0 cpe:2.3:a:opera:opera_browser:5.0:beta4:*:*:*:*:*:*
opera opera_browser 5.0 cpe:2.3:a:opera:opera_browser:5.0:beta5:*:*:*:*:*:*
opera opera_browser 5.0 cpe:2.3:a:opera:opera_browser:5.0:beta6:*:*:*:*:*:*
opera opera_browser 5.0 cpe:2.3:a:opera:opera_browser:5.0:beta7:*:*:*:*:*:*
opera opera_browser 5.0 cpe:2.3:a:opera:opera_browser:5.0:beta8:*:*:*:*:*:*
opera opera_browser 5.02 cpe:2.3:a:opera:opera_browser:5.02:*:*:*:*:*:*:*
opera opera_browser 5.10 cpe:2.3:a:opera:opera_browser:5.10:*:*:*:*:*:*:*
opera opera_browser 5.11 cpe:2.3:a:opera:opera_browser:5.11:*:*:*:*:*:*:*
opera opera_browser 5.12 cpe:2.3:a:opera:opera_browser:5.12:*:*:*:*:*:*:*
opera opera_browser 6.0 cpe:2.3:a:opera:opera_browser:6.0:*:*:*:*:*:*:*
opera opera_browser 6.0 cpe:2.3:a:opera:opera_browser:6.0:beta1:*:*:*:*:*:*
opera opera_browser 6.0 cpe:2.3:a:opera:opera_browser:6.0:beta2:*:*:*:*:*:*
opera opera_browser 6.0 cpe:2.3:a:opera:opera_browser:6.0:beta3:*:*:*:*:*:*
opera opera_browser 6.0 cpe:2.3:a:opera:opera_browser:6.0:tp1:*:*:*:*:*:*
opera opera_browser 6.0 cpe:2.3:a:opera:opera_browser:6.0:tp2:*:*:*:*:*:*
opera opera_browser 6.0 cpe:2.3:a:opera:opera_browser:6.0:tp3:*:*:*:*:*:*
opera opera_browser 6.1 cpe:2.3:a:opera:opera_browser:6.1:*:*:*:*:*:*:*
opera opera_browser 6.01 cpe:2.3:a:opera:opera_browser:6.01:*:*:*:*:*:*:*
opera opera_browser 6.1 cpe:2.3:a:opera:opera_browser:6.1:beta1:*:*:*:*:*:*
opera opera_browser 6.02 cpe:2.3:a:opera:opera_browser:6.02:*:*:*:*:*:*:*
opera opera_browser 6.03 cpe:2.3:a:opera:opera_browser:6.03:*:*:*:*:*:*:*
opera opera_browser 6.04 cpe:2.3:a:opera:opera_browser:6.04:*:*:*:*:*:*:*
opera opera_browser 6.05 cpe:2.3:a:opera:opera_browser:6.05:*:*:*:*:*:*:*
opera opera_browser 6.06 cpe:2.3:a:opera:opera_browser:6.06:*:*:*:*:*:*:*
opera opera_browser 6.11 cpe:2.3:a:opera:opera_browser:6.11:*:*:*:*:*:*:*
opera opera_browser 6.12 cpe:2.3:a:opera:opera_browser:6.12:*:*:*:*:*:*:*
opera opera_browser 7.0 cpe:2.3:a:opera:opera_browser:7.0:*:*:*:*:*:*:*
opera opera_browser 7.0 cpe:2.3:a:opera:opera_browser:7.0:beta1:*:*:*:*:*:*
opera opera_browser 7.0 cpe:2.3:a:opera:opera_browser:7.0:beta1_v2:*:*:*:*:*:*
opera opera_browser 7.0 cpe:2.3:a:opera:opera_browser:7.0:beta2:*:*:*:*:*:*
opera opera_browser 7.01 cpe:2.3:a:opera:opera_browser:7.01:*:*:*:*:*:*:*
opera opera_browser 7.02 cpe:2.3:a:opera:opera_browser:7.02:*:*:*:*:*:*:*
opera opera_browser 7.03 cpe:2.3:a:opera:opera_browser:7.03:*:*:*:*:*:*:*
opera opera_browser 7.10 cpe:2.3:a:opera:opera_browser:7.10:*:*:*:*:*:*:*
opera opera_browser 7.10 cpe:2.3:a:opera:opera_browser:7.10:beta1:*:*:*:*:*:*
opera opera_browser 7.11 cpe:2.3:a:opera:opera_browser:7.11:*:*:*:*:*:*:*
opera opera_browser 7.11 cpe:2.3:a:opera:opera_browser:7.11:beta2:*:*:*:*:*:*
opera opera_browser 7.20 cpe:2.3:a:opera:opera_browser:7.20:*:*:*:*:*:*:*
opera opera_browser 7.20 cpe:2.3:a:opera:opera_browser:7.20:beta7:*:*:*:*:*:*
opera opera_browser 7.21 cpe:2.3:a:opera:opera_browser:7.21:*:*:*:*:*:*:*
opera opera_browser 7.22 cpe:2.3:a:opera:opera_browser:7.22:*:*:*:*:*:*:*
opera opera_browser 7.23 cpe:2.3:a:opera:opera_browser:7.23:*:*:*:*:*:*:*
opera opera_browser 7.50 cpe:2.3:a:opera:opera_browser:7.50:*:*:*:*:*:*:*
opera opera_browser 7.50 cpe:2.3:a:opera:opera_browser:7.50:beta1:*:*:*:*:*:*
opera opera_browser 7.51 cpe:2.3:a:opera:opera_browser:7.51:*:*:*:*:*:*:*
opera opera_browser 7.52 cpe:2.3:a:opera:opera_browser:7.52:*:*:*:*:*:*:*
opera opera_browser 7.53 cpe:2.3:a:opera:opera_browser:7.53:*:*:*:*:*:*:*
opera opera_browser 7.54 cpe:2.3:a:opera:opera_browser:7.54:*:*:*:*:*:*:*
opera opera_browser 7.54 cpe:2.3:a:opera:opera_browser:7.54:update1:*:*:*:*:*:*
opera opera_browser 7.54 cpe:2.3:a:opera:opera_browser:7.54:update2:*:*:*:*:*:*
opera opera_browser 7.60 cpe:2.3:a:opera:opera_browser:7.60:*:*:*:*:*:*:*

References for CVE-2012-6468

cvelogic Threat Intelligence