CVE-2015-3798 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 13.3% (pctl 96)
Patch early
A public exploit exists.
Description
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-2015-3797.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 13.32% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2015-08-17 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| apple | iphone os |
| apple | mac os x |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Apple Mac OSX Regex Engine (TRE) - Integer Signedness / Overflow | 2015-09-22 |
References
- http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
- http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html
- http://www.securityfocus.com/bid/76343
- http://www.securitytracker.com/id/1033275
- https://code.google.com/p/google-security-research/issues/detail?id=429
- https://support.apple.com/kb/HT205030
- https://support.apple.com/kb/HT205031
- https://www.exploit-db.com/exploits/38262/
- http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
- http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html
- http://www.securityfocus.com/bid/76343
- http://www.securitytracker.com/id/1033275
- https://code.google.com/p/google-security-research/issues/detail?id=429
- https://support.apple.com/kb/HT205030
- https://support.apple.com/kb/HT205031
- https://www.exploit-db.com/exploits/38262/
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