CVE-2015-6765

Use-after-free vulnerability in content/browser/appcache/appcache_update_job.cc in Google Chrome before 47.0.2526.73 allows remote attackers to execute arbitrary code or cause a denial of service by leveraging the mishandling of AppCache update jobs.

Published: 2015-12-05 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-6765 is rated High Risk (71.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 4.48%, 90th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: 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-2015-6765

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 2026-06-15 4.71% 4.48% -0.23%
2 2025-06-29 5.52% 4.71% -0.81%
3 2025-04-12 5.52%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-6765

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/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:L)
Exploitation conditions are straightforward and predictable.
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.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2015-6765

OS Trackers for CVE-2015-6765

vendor priority summary link
gentoo normal CVE-2015-6765: 1 GLSA(s) (201603-09), 1 atom(s) (www-client/chromium); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-6765
redhat critical https://access.redhat.com/security/cve/CVE-2015-6765
ubuntu medium CVE-2015-6765 medium priority: Ubuntu including 2 source packages (chromium-browser, oxide-qt), 10 status rows across 5 suites (precise, trusty, upstream, vivid, wily): released 8, DNE 1, ignored 1. https://ubuntu.com/security/CVE-2015-6765

NVD evaluator notes for CVE-2015-6765

Comment: <a href="http://cwe.mitre.org/data/definitions/416.html">CWE-416: Use After Free</a>

Affected software / configurations for CVE-2015-6765

Vendor Product Version Raw CPE
google chrome <= 46.0.2490.86 cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

References for CVE-2015-6765

cvelogic Threat Intelligence