HIGH
The tlslite library before 0.4.9 for Python allows remote attackers to trigger a denial of service (runtime exception and process crash)
Published Jun 13, 2017
8.7
HIGHCVSS 4.0
EPSS 3.23%
Description
The tlslite library before 0.4.9 for Python allows remote attackers to trigger a denial of service (runtime exception and process crash).
Affected products
No data.
- ≤ 0.4.9
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
8.7 HIGH GHSA
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Attack Vector Network
Attack Complexity Low
Attack Requirements None
Privileges Required None
User Interaction None
Vulnerable System Confidentiality None
Vulnerable System Integrity None
Vulnerable System Availability High
Subsequent System Confidentiality None
Subsequent System Integrity None
Subsequent System Availability None
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.23% 0.03230
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.03230
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.23% (0.03230) | 87.83th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.20% (0.03204) | 86.44th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.78% (0.00779) | 71.99th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.44% (0.00441) | 75.69th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.44% (0.00441) | 74.11th | v3 (v2023.03.01) |
| May 8, 2023 | 0.44% (0.00441) | 71.02th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.33% (0.00329) | 66.29th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
Weaknesses (1)
References (7)
- https://bugzilla.redhat.com/show_bug.cgi?id=1254215 x_refsource_CONFIRMIssue TrackingThird Party AdvisoryVDB Entry
- https://github.com/advisories/GHSA-4749-p7rx-8jjj Advisory
- https://github.com/pypa/advisory-database/tree/main/vulns/tlslite/PYSEC-2017-96.yaml
- https://github.com/trevp/tlslite/commit/aca8d4f898b436ff6754e1a9ab96cae976c8a853 x_refsource_CONFIRMPatchThird Party Advisory
- https://groups.google.com/forum/#!topic/tlslite-dev/MoWE7B0A4iU
- https://groups.google.com/forum/#%21topic/tlslite-dev/MoWE7B0A4iU mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2015-3220
| Link | Providers | Tags |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1254215 | x_refsource_CONFIRMIssue TrackingThird Party AdvisoryVDB Entry | |
| https://github.com/advisories/GHSA-4749-p7rx-8jjj | Advisory | |
| https://github.com/pypa/advisory-database/tree/main/vulns/tlslite/PYSEC-2017-96.yaml | ||
| https://github.com/trevp/tlslite/commit/aca8d4f898b436ff6754e1a9ab96cae976c8a853 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://groups.google.com/forum/#!topic/tlslite-dev/MoWE7B0A4iU | ||
| https://groups.google.com/forum/#%21topic/tlslite-dev/MoWE7B0A4iU | mailing-listx_refsource_MLIST | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-3220 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Jun 13, 2017
Updated Aug 6, 2024
Reserved Apr 10, 2015
Link CVE-2015-3220
CISA Vulnrichment
GHSA-4749-P7RX-8JJJ Updated n/a