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CVE-2015-5816

18
FAUCET Score

CVE-2015-5816 describes a memory corruption vulnerability in WebKit, specifically within JavaScriptCore, affecting Apple iOS before version 9 and iTunes before version 12.3. This flaw allows remote attackers to execute arbitrary code or trigger a denial of service by enticing users to visit a specially crafted website. With a CVSS score of 6.8, this vulnerability is rated as medium severity, requiring medium attack complexity (AC:M) and having potential impacts on confidentiality, integrity, and availability (C:P/I:P/A:P). The attack vector is network-based (AV:N), meaning it can be exploited remotely. There is no evidence of active exploitation (KEV: No), nor is there publicly available exploit code in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, indicating low public attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.4.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
<= 8.0.8CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
<= 12.2CPE matchmatch criteria
cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.50%
Probability of exploitation in next 30 days
EPSS Percentile
83.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0250 is in the 73rd percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

lists.apple.com / archives/security-announce/2015/Sep/msg00001.html
Vendor Advisory
lists.apple.com / archives/security-announce/2015/Sep/msg00003.html
Vendor Advisory
lists.apple.com / archives/security-announce/2015/Sep/msg00007.html
Vendor Advisory
support.apple.com / HT205212
Vendor Advisory
support.apple.com / HT205221
Vendor Advisory
support.apple.com / HT205265
Vendor Advisory
securityfocus.com / bid/76764
securitytracker.com / id/1033609