CVE-2026-112381
Apache Traffic Server can crash with a null pointer dereference when a client POST request is torn…
- Risk score
- 41/100
- CVSS
- 5.9 v3.1
- Exploit chance (30 days)
- 0.4%
- Published
- 21 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Apache Traffic Server can crash with a null pointer dereference when a client POST request is torn down via half-close while a chunked origin response is being reparsed from a reentrant write-ready callback, a timing-dependent race introduced by the CVE-2021-32564 flow-control backports. This issue affects Apache Traf…
- Affected
- See advisory
- Fix
- Upgrade the product to 9.2.16, 10.1.5 or 10.2.1 (whichever matches your release line), or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 5.9 medium
References
Original description
Apache Traffic Server can crash with a null pointer dereference when a client POST request is torn down via half-close while a chunked origin response is being reparsed from a reentrant write-ready callback, a timing-dependent race introduced by the CVE-2021-32564 flow-control backports. This issue affects Apache Traffic Server: 9.2.15, 10.1.4, 10.2.0. Users are recommended to upgrade to version 9.2.16, 10.1.5, or 10.2.1, which fix the issue.
Last activity 21 Oct 2026. Patch Forecast updates every hour.