High 7.5Published Aug 16, 2015

CVE-2015-3797The TRE library in Libc in Apple iOS before 8.4.1 and OS X before 10.10.5 allows context-dependent attackers to execute arbitrary code or cause a denial of service (memory corruption and application…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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It affects apple iphone_os and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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The TRE library in Libc in Apple iOS before 8.4.1 and OS X before 10.10.5 allows context-dependent attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted regular expression, a different vulnerability than CVE-2015-3796 and CVE-2015-3798.

CVSS: 7.5 HIGH (v2.0, NVD)AV:N/AC:L/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 iphone_os apple:iphone_os	through 8.4	NVD
apple mac_os_x apple:mac_os_x	through 10.10.4	NVD

References

References

http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html	vendor-advisory
http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html	vendor-advisory
http://www.securityfocus.com/bid/76343
http://www.securitytracker.com/id/1033275
https://support.apple.com/kb/HT205030	vendor-advisory
https://support.apple.com/kb/HT205031	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.