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CVE-2015-6989

18
FAUCET Score

CVE-2015-6989 describes a memory corruption vulnerability in Apple's Grand Central Dispatch, affecting iOS before 9.1, OS X before 10.11.1, and watchOS before 2.0.1. An attacker could exploit this by providing a crafted package, potentially leading to arbitrary code execution or a denial of service. With a CVSS score of 6.8, this vulnerability has a medium attack complexity and could result in partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.0.2CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
<= 10.11.0CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
<= 2.0.0CPE matchmatch criteria
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

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
2.34%
Probability of exploitation in next 30 days
EPSS Percentile
81.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0234 is in the 71st percentile among its peer group of 19,956 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/Oct/msg00002.html
Vendor Advisory
lists.apple.com / archives/security-announce/2015/Oct/msg00003.html
Vendor Advisory
lists.apple.com / archives/security-announce/2015/Oct/msg00005.html
Vendor Advisory
support.apple.com / HT205370
Vendor Advisory
support.apple.com / HT205375
Vendor Advisory
support.apple.com / HT205378
Vendor Advisory
securitytracker.com / id/1033929