Heap-based buffer overflow in PolarSSL 1.x before 1.2.17 and ARM mbed TLS (formerly PolarSSL) 1.3.x before 1.3.14 and 2.x before 2.1.2 allows remote SSL servers to cause a denial of service (client crash) and possibly execute arbitrary code via a long hostname to the server name indication (SNI) extension, which is not properly handled when creating a ClientHello message
Published Nov 2, 2015
6.8
MEDIUMCVSS 2.0
EPSS 3.66%
Description
Heap-based buffer overflow in PolarSSL 1.x before 1.2.17 and ARM mbed TLS (formerly PolarSSL) 1.3.x before 1.3.14 and 2.x before 2.1.2 allows remote SSL servers to cause a denial of service (client crash) and possibly execute arbitrary code via a long hostname to the server name indication (SNI) extension, which is not properly handled when creating a ClientHello message. NOTE: this identifier has been SPLIT per ADT3 due to different affected version ranges. See CVE-2015-8036 for the session ticket issue that was introduced in 1.3.0.
Affected products
No data.
Configuration 1
- ≥ 1.0.0 · < 1.2.17
- ≥ 1.3.0 · < 1.3.14
- ≥ 2.0.0 · < 2.1.2
Configuration 2
- 7.0
- 8.0
Configuration 3
- 21
- 22
- 23
- 42.1
- 13.2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
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:M/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 2, 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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.66% (0.03659) | 89.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.63% (0.03629) | 88.03th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.71% (0.01714) | 80.68th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.45% (0.03451) | 78.98th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.57% (0.01571) | 80.26th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.82% (0.00819) | 82.56th | v3 (v2023.03.01) |
| Jul 9, 2024 | 1.08% (0.01084) | 84.43th | v3 (v2023.03.01) |
| Dec 2, 2023 | 1.34% (0.01337) | 84.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.17% (0.01167) | 82.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.23% (0.04229) | 87.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.23% (0.04229) | 86.19th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.23% (0.04229) | 69.94th | v2 (v2022.01.01) |
References (10)
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170317.html vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169625.html vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169765.html vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00013.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00119.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://www.debian.org/security/2016/dsa-3468 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://guidovranken.files.wordpress.com/2015/10/cve-2015-5291.pdf x_refsource_MISCThird Party Advisory
- https://guidovranken.wordpress.com/2015/10/07/cve-2015-5291/ x_refsource_MISCThird Party Advisory
- https://security.gentoo.org/glsa/201706-18 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2015-01 x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.