Published: 17/08/2015 Updated: 24/12/2016

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

VMScore: 755

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

The TRE library in Libc in Apple iOS prior to 8.4.1 and OS X prior to 10.10.5 allows context-dependent malicious users 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.

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Source: codegooglecom/p/google-security-research/issues/detail?id=429 The OS X regex engine function tre_tnfa_run_parallel contains the following code: int tbytes; if (!match_tags) num_tags = 0; else num_tags = tnfa->num_tags; { int rbytes, pbytes, total_bytes; char *tmp_buf; /* Compute the lengt ...

CWE-119 http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html https://support.apple.com/kb/HT205030 http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html https://support.apple.com/kb/HT205031 http://www.securityfocus.com/bid/76343 https://www.exploit-db.com/exploits/38262/https://code.google.com/p/google-security-research/issues/detail?id=429 http://www.securitytracker.com/id/1033275 https://nvd.nist.gov https://www.exploit-db.com/exploits/38262/

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CVE-2015-3798

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