# CVE-2025-58136: trafficserver: A bug in POST request handling causes a crash under a certain condition

CVE-2025-58136 is fixed in trafficserver on 1 platform by DEBIAN-CVE-2025-58136 (version 9.2.5+ds-0+deb12u4), released April 2, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-58136
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0070
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 2, 2026

## Description

A bug in POST request handling causes a crash under a certain condition.  This issue affects Apache Traffic Server: from 10.0.0 through 10.1.1, from 9.0.0 through 9.2.12.  Users are recommended to upgrade to version 10.1.2 or 9.2.13, which fix the issue.  A workaround for older versions is to set proxy.config.http.request_buffer_enabled to 0 (the default value is 0).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | trafficserver Debian 12.15 (bookworm) | 9.2.5+ds-0+deb12u4 | [DEBIAN-CVE-2025-58136](https://patchblox.com/security/data/fix/linux/debian-cve-2025-58136.md) | Apr 2, 2026 |

---

Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.