How severe is CVE-2014-4378?

CVE-2014-4378 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2014-4378 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-4378?

CVE-2014-4378 primarily affects Apple Tvos. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-4378?

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

When was CVE-2014-4378 published?

CVE-2014-4378 was published on 2014-09-18 and last updated on 2026-06-17.

CVE-2014-4378

CVE-2014-4378 is a medium-severity vulnerability in Apple Tvos with a CVSS 2.0 base score of 5.8. 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 5.8)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Apple Tvos
Published: 2014-09-18
Last modified: 2026-06-17

Description

CoreGraphics in Apple iOS before 8 and Apple TV before 7 allows remote attackers to obtain sensitive information or cause a denial of service (out-of-bounds read and application crash) via a crafted PDF document.

Frequently asked questions

What is CVE-2014-4378?: CoreGraphics in Apple iOS before 8 and Apple TV before 7 allows remote attackers to obtain sensitive information or cause a denial of service (out-of-bounds read and application crash) via a crafted PDF document.
How severe is CVE-2014-4378?: CVE-2014-4378 has a CVSS 2.0 base score of 5.8, rated medium severity.
Is CVE-2014-4378 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-4378?: CVE-2014-4378 primarily affects Apple Tvos. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-4378?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-4378 published?: CVE-2014-4378 was published on 2014-09-18 and last updated on 2026-06-17.

References

Affected products (18)

cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:6.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:6.0.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:6.0.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:6.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:6.1.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:6.1.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:7.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:7.0.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:7.0.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:7.0.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:7.0.4:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:7.0.5:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:7.0.6:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:7.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:7.1.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

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