CVE-2023-29013
Traefik HTTP header parsing could cause a denial of service
Description
### Impact There is a vulnerability in [Go when parsing the HTTP headers](https://groups.google.com/g/golang-announce/c/Xdv6JL9ENs8/m/OV40vnafAwAJ), which impacts Traefik. HTTP header parsing could allocate substantially more memory than required to hold the parsed headers. This behavior could be exploited to cause a denial of service. ### References - [CVE-2023-24534](https://www.cve.org/CVERecord?id=CVE-2023-24534) ### Patches - https://github.com/traefik/traefik/releases/tag/v2.9.10 - https://github.com/traefik/traefik/releases/tag/v2.10.0-rc2 ### Workarounds No workaround. ### For more information If you have any questions or comments about this advisory, please [open an issue](https://github.com/traefik/traefik/issues).
How to fix CVE-2023-29013
To remediate CVE-2023-29013, upgrade the affected package to a fixed version below.
- —upgrade to 2.9.10 or later
Is CVE-2023-29013 being exploited?
Low — EPSS is 3.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.9.10
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 |