Heap-based buffer overflow in 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 session ticket name to the session ticket extension, which is not properly handled when creating a ClientHello message to resume a session
Published Nov 2, 2015
6.8
MEDIUMCVSS 2.0
EPSS 2.89%
Description
Heap-based buffer overflow in 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 session ticket name to the session ticket extension, which is not properly handled when creating a ClientHello message to resume a session. NOTE: this identifier was SPLIT from CVE-2015-5291 per ADT3 due to different affected version ranges.
Affected products
No data.
Configuration 1
- ≤ 1.2.17
- ≥ 1.3.0 · < 1.3.14
- ≥ 2.0.0 · < 2.1.2
Configuration 2
- 7.0
- 8.0
- 21
- 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 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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.89% (0.02890) | 86.41th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.88% (0.02877) | 84.96th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.92% (0.00921) | 73.87th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.61% (0.02610) | 76.05th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.84% (0.00845) | 73.16th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.78% (0.00783) | 82.11th | v3 (v2023.03.01) |
| Jul 9, 2024 | 1.04% (0.01036) | 84.03th | v3 (v2023.03.01) |
| Mar 20, 2024 | 0.96% (0.00962) | 82.92th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.96% (0.00962) | 80.92th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.07% (0.03073) | 83.74th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.07% (0.03073) | 82.08th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.07% (0.03073) | 64.71th | v2 (v2022.01.01) |
References (6)
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169625.html vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00009.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://www.debian.org/security/2016/dsa-3468 vendor-advisoryx_refsource_DEBIANMailing ListThird 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://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2015-01 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169625.html | vendor-advisoryx_refsource_FEDORAMailing ListThird Party Advisory | |
| http://lists.opensuse.org/opensuse-updates/2016-08/msg00009.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| http://www.debian.org/security/2016/dsa-3468 | vendor-advisoryx_refsource_DEBIANMailing ListThird 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://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2015-01 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.