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CVE-2015-5776

20
FAUCET Score

CVE-2015-5776 describes a memory corruption vulnerability in Libinfo affecting Apple iOS before 8.4.1 and OS X before 10.10.5. This flaw allows remote attackers to execute arbitrary code or cause a denial of service by exploiting an AF_INET6 socket. With a CVSS score of 7.5, it is considered highly severe, requiring no authentication and having low attack complexity, potentially leading to partial confidentiality, integrity, and availability impacts. Despite its severity, there is no evidence of active exploitation, no public exploit code available, and minimal community discussion or media coverage, indicating it is not currently a high-profile threat.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.4CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
<= 10.10.4CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.64%
Probability of exploitation in next 30 days
EPSS Percentile
88.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0364 is in the 79th percentile among its peer group of 51,553 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, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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/Aug/msg00001.html
Vendor Advisory
lists.apple.com / archives/security-announce/2015/Aug/msg00002.html
Vendor Advisory
support.apple.com / kb/HT205030
Vendor Advisory
support.apple.com / kb/HT205031
Vendor Advisory
securityfocus.com / bid/76343
securitytracker.com / id/1033275