# CVE-2022-34037: Withdrawn Advisory: Out-of-bounds Read can lead to client side denial of service

Source: https://junglewise.ai/threats/cve-2022-34037-withdrawn-advisory-out-of-bounds-read-can-lead-to-client-side  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-07-23  
License: CC BY 4.0 with a link back

CVE-2022-34037 · Severity: low · CVSS 3.1 · Published 2022-07-23

Withdrawn Advisory: Out-of-bounds Read can lead to client side denial of service

Technologies: [github.com/caddyserver/caddy (Go)](https://junglewise.ai/threats/technologies/github-com-caddyserver-caddy). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2022-34037 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2022-34037 being exploited in the wild.

**How severe is CVE-2022-34037?** Low severity, with a CVSS score of 3.1, published 23 July 2022.

**Which products and versions are affected?** github.com/caddyserver/caddy (Go) SEMVER:introduced=0,fixed=2.5.2.

**Is there a fix for CVE-2022-34037?** Yes. github.com/caddyserver/caddy (Go): upgrade to 2.5.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2022-34037?** Check whether you run github.com/caddyserver/caddy (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- github.com/caddyserver/caddy (Go): upgrade to 2.5.2 or later

  ```sh
  go get github.com/caddyserver/caddy@v2.5.2
  ```


## Affected products

- github.com/caddyserver/caddy (Go) SEMVER:introduced=0,fixed=2.5.2

## Identifiers

- CVE-2022-34037
- GHSA-m7gr-5w5g-36jf

## Related threats

- [Caddyserver Caddy XSS bypass in stripHTML template function](https://junglewise.ai/threats/cve-2026-52846-caddyserver-caddy-xss-bypass-in-striphtml-template-function)
- [Caddy authentication bypass via FastCGI header normalization collision](https://junglewise.ai/threats/cve-2026-52845-caddy-authentication-bypass-via-fastcgi-header-normalization)
- [Caddy path authorization bypass on Windows via encoded backslash](https://junglewise.ai/threats/cve-2026-52844-caddy-path-authorization-bypass-on-windows-via-encoded-backslash)
- [Open redirect in caddy](https://junglewise.ai/threats/cve-2022-29718-open-redirect-in-caddy)
- [Caddy allows enumeration of Certificates and Hostnames](https://junglewise.ai/threats/cve-2018-19148-caddy-allows-enumeration-of-certificates-and-hostnames)