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
Published Aug 16, 2015
7.5
HIGHCVSS 2.0
EPSS 2.61%
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-2015-3798.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.61% (0.02609) | 84.85th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.61% (0.02609) | 83.33th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.85% (0.00849) | 73.25th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.01% (0.01013) | 84.40th | v3 (v2023.03.01) |
| Apr 4, 2024 | 1.01% (0.01013) | 83.41th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.01% (0.01013) | 81.41th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.37% (0.02365) | 81.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.37% (0.02365) | 79.72th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.37% (0.02365) | 58.36th | v2 (v2022.01.01) |
References (6)
- http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html vendor-advisoryx_refsource_APPLEVendor Advisory
- http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html vendor-advisoryx_refsource_APPLEVendor Advisory
- http://www.securityfocus.com/bid/76343 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1033275 vdb-entryx_refsource_SECTRACK
- https://support.apple.com/kb/HT205030 x_refsource_CONFIRMVendor Advisory
- https://support.apple.com/kb/HT205031 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html | vendor-advisoryx_refsource_APPLEVendor Advisory | |
| http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html | vendor-advisoryx_refsource_APPLEVendor Advisory | |
| http://www.securityfocus.com/bid/76343 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1033275 | vdb-entryx_refsource_SECTRACK | |
| https://support.apple.com/kb/HT205030 | x_refsource_CONFIRMVendor Advisory | |
| https://support.apple.com/kb/HT205031 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.