How severe is CVE-2015-5823?

CVE-2015-5823 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2015-5823 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5823?

CVE-2015-5823 primarily affects Apple Iphone Os. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-5823?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-5823 published?

CVE-2015-5823 was published on 2015-09-18 and last updated on 2026-06-17.

CVE-2015-5823

CVE-2015-5823 is a medium-severity vulnerability in Apple Iphone Os with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Apple Iphone Os
Published: 2015-09-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2015-5823?: 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.
How severe is CVE-2015-5823?: CVE-2015-5823 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2015-5823 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5823?: CVE-2015-5823 primarily affects Apple Iphone Os. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-5823?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-5823 published?: CVE-2015-5823 was published on 2015-09-18 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*

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