Proxygen fails to validate that a secondary auth manager is set before dereferencing it
Published Dec 31, 2018
7.5
HIGHCVSS 3.1
EPSS 0.83%
Description
Proxygen fails to validate that a secondary auth manager is set before dereferencing it. That can cause a denial of service issue when parsing a Certificate/CertificateRequest HTTP2 Frame over a fizz (TLS 1.3) transport. This issue affects Proxygen releases starting from v2018.10.29.00 until the fix in v2018.11.19.00.
Affected products
-
- Version v2018.10.29.00StatusaffectedConstraints<unspecified
- Version v2018.11.19.00StatusaffectedConstraints-
- Version unspecifiedStatusunaffectedConstraints<v2018.10.29.00
- 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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed May 6, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.83% (0.00834) | 56.17th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.83% (0.00834) | 56.12th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.14% (0.00142) | 50.48th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.14% (0.00142) | 50.22th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00142) | 48.21th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.52% (0.00518) | 11.68th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.52% (0.00518) | 0.00th | v1 |
References (1)
- https://github.com/facebook/proxygen/commit/0600ebe59c3e82cd012def77ca9ca1918da74a71 x_refsource_MISCPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/facebook/proxygen/commit/0600ebe59c3e82cd012def77ca9ca1918da74a71 | x_refsource_MISCPatchThird Party Advisory |
Change history (0)
No recorded changes yet.