VYPR
← All advisories
Unrated severityNVD Advisory· Published Sep 18, 2015· Updated May 6, 2026

CVE-2015-5816

CVE-2015-5816

Description

WebKit, as used in JavaScriptCore in Apple iOS before 9 and iTunes before 12.3, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site, a different vulnerability than other WebKit CVEs listed in APPLE-SA-2015-09-16-1 and APPLE-SA-2015-09-16-3.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

A memory corruption vulnerability in WebKit JavaScriptCore allows remote attackers to execute arbitrary code or crash via a crafted website, affecting iOS before 9 and iTunes before 12.3.

Vulnerability

A memory corruption issue exists in the WebKit JavaScriptCore component, as used in Apple iOS versions before 9 and iTunes versions before 12.3. The bug is triggered by processing a maliciously crafted website, leading to memory corruption and potential application crash. The vulnerability is distinct from other WebKit CVEs addressed in the same advisories [1][2][3].

Exploitation

An attacker can exploit this vulnerability by enticing a user to visit a specially crafted website. No additional authentication or privileges are required, as the attack is remote and does not involve user interaction beyond normal browsing. The precise exploitation steps are not disclosed in the available references, but the vector is web-based [1][2][3].

Impact

Successful exploitation allows a remote attacker to execute arbitrary code on the targeted device or cause a denial of service via application crash. The impact encompasses arbitrary code execution and memory corruption, with full system access possible on iOS devices or the user's system on iTunes for Windows [1][2][3].

Mitigation

Apple addressed the vulnerability in iOS 9 and iTunes 12.3, released on September 16, 2015 [1][3]. Users should update to the latest versions. No workaround is available for unpatched systems. The vulnerability is not listed on the CISA Known Exploited Vulnerabilities (KEV) catalog as of the publication date.

References
  1. About the security content of iOS 9 - Apple Support
  2. About the security content of Safari 9 - Apple Support
  3. About the security content of iTunes 12.3 - Apple Support

AI Insight generated on May 23, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.

Affected products

5
  • Apple Inc./iTunes2 versions
    cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*range: <=12.2
    • (no CPE)range: <12.3
  • Apple Inc./Safari
    cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
    Range: <=8.0.8
  • Apple Inc./Iphone Os
    cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
    Range: <=8.4.1
  • Apple Inc./iOSllm-fuzzy
    Range: <9

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

8

News mentions

0

No linked articles in our index yet.