How severe is CVE-2015-7054?

CVE-2015-7054 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2015-7054 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-7054?

CVE-2015-7054 primarily affects Apple Iphone Os. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-7054?

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

When was CVE-2015-7054 published?

CVE-2015-7054 was published on 2015-12-11 and last updated on 2026-06-17.

CVE-2015-7054

CVE-2015-7054 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-19.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-19
Affected product: Apple Iphone Os
Published: 2015-12-11
Last modified: 2026-06-17

Description

zlib in the Compression component in Apple iOS before 9.2, OS X before 10.11.2, tvOS before 9.1, and watchOS before 2.1 does not initialize memory for an unspecified data structure, which allows remote attackers to execute arbitrary code via a crafted web site.

Frequently asked questions

What is CVE-2015-7054?: zlib in the Compression component in Apple iOS before 9.2, OS X before 10.11.2, tvOS before 9.1, and watchOS before 2.1 does not initialize memory for an unspecified data structure, which allows remote attackers to execute arbitrary code via a crafted web site.
How severe is CVE-2015-7054?: CVE-2015-7054 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2015-7054 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-7054?: CVE-2015-7054 primarily affects Apple Iphone Os. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-7054?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-7054 published?: CVE-2015-7054 was published on 2015-12-11 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*

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