CVE-2023-36435
MsQuic Remote Denial of Service Vulnerability
7.5
HIGH
CVSS 3.1
EPSS 2.3%
Description
### Impact The MsQuic server will continue to leak memory until no more is available, resulting in a denial of service. ### Patches The following patch was made: - Fix Memory Leak from Multiple Decodes of TP - https://github.com/microsoft/msquic/commit/d364feeda0dd8b729eca6fef149c1ef98630f0cb ### Workarounds Beyond upgrading to the patched versions, there is no other workaround.
How to fix CVE-2023-36435
To remediate CVE-2023-36435, upgrade the affected package to a fixed version below.
- —upgrade to 7.0.13 or later
- —upgrade to 7.0.13 or later
- —upgrade to 2.2.3 or later
- —upgrade to 2.2.3 or later
Is CVE-2023-36435 being exploited?
Low — EPSS is 2.3%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- >= 7.0.0, < 7.0.13
- >= 7.0.0, < 7.0.13
- from 0, < 2.2.3
- from 0, < 2.2.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |