CRITICAL
Improper handling of close_notify alerts can result in an out-of-bounds read in AsyncSSLSocket
Published Dec 4, 2019
9.8
CRITICALCVSS 3.1
EPSS 1.74%
Description
Improper handling of close_notify alerts can result in an out-of-bounds read in AsyncSSLSocket. This issue affects folly prior to v2019.11.04.00.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<v2019.11.04.00
- Version v2019.11.04.00StatusaffectedConstraints-
- Version
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.
9.8 CRITICAL NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.74% 0.01744
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.01744
Score over time
2021-2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (12 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.74% (0.01744) | 76.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.74% (0.01744) | 74.75th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.24% (0.00235) | 62.08th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.24% (0.00235) | 61.82th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00235) | 59.82th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 9.03% (0.09029) | 86.86th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.74% (0.02742) | 63.06th | v5 (v2026.06.15) |
| Jan 6, 2022 | 2.74% (0.02742) | 62.72th | v1 |
| Sep 1, 2021 | 0.62% (0.00624) | 45.04th | v1 |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
Weaknesses (1)
References (2)
- https://github.com/facebook/folly/commit/c321eb588909646c15aefde035fd3133ba32cdee x_refsource_MISCPatchThird Party Advisory
- https://www.facebook.com/security/advisories/cve-2019-11934 x_refsource_CONFIRMThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/facebook/folly/commit/c321eb588909646c15aefde035fd3133ba32cdee | x_refsource_MISCPatchThird Party Advisory | |
| https://www.facebook.com/security/advisories/cve-2019-11934 | x_refsource_CONFIRMThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner facebook
Published Dec 4, 2019
Updated Aug 4, 2024
Reserved May 13, 2019
Link CVE-2019-11934
CISA Vulnrichment
Updated n/a