Medium 6.8Published Oct 23, 2015

CVE-2015-6978FontParser in Apple iOS before 9.1 and OS X before 10.11.1 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font file, a different vuln…

Updated under an hour ago (Nov 2, 2026, 1:25 AM ET)

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It affects apple watchos and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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FontParser in Apple iOS before 9.1 and OS X before 10.11.1 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font file, a different vulnerability than CVE-2015-6976, CVE-2015-6977, CVE-2015-6990, CVE-2015-6991, CVE-2015-6993, CVE-2015-7008, CVE-2015-7009, CVE-2015-7010, and CVE-2015-7018.

CVSS: 6.8 MEDIUM (v2.0, NVD)AV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

apple watchos apple:watchos	through 2.0	NVD
apple mac_os_x apple:mac_os_x	through 10.11.0	NVD
apple iphone_os apple:iphone_os	through 9.0.2	NVD

References

References

http://lists.apple.com/archives/security-announce/2015/Dec/msg00002.html	vendor-advisory
http://lists.apple.com/archives/security-announce/2015/Oct/msg00002.html	vendor-advisory
http://lists.apple.com/archives/security-announce/2015/Oct/msg00005.html	vendor-advisory
http://www.securityfocus.com/bid/77263
http://www.securitytracker.com/id/1033929
http://www.zerodayinitiative.com/advisories/ZDI-15-533
https://support.apple.com/HT205370	vendor-advisory
https://support.apple.com/HT205375	vendor-advisory
https://support.apple.com/HT205641	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.