CVE-2026-85476 Apache Thrift: c_glib `read_all` spins when the underlying read returns 0
An attacker can cause a denial of service by triggering an infinite loop in the Apache Thrift c_glib bindings when a read operation returns zero.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-85476?
CVE-2026-85476 is a high-severity denial of service vulnerability in Apache Thrift, published on 2 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Loop with unreachable exit condition ('infinite loop') vulnerability in Apache Thrift c_glib bindings.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Weakness: CWE-835
Which versions are affected by CVE-2026-85476?
1 open source package ship an affected version, including thrift.
| Package | Affected | Fixed in |
|---|---|---|
thrift Bitnami | All versions | 0.25.0 |
How do I fix CVE-2026-85476?
Upgrade thrift to 0.25.0 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-85476 being exploited?
There is no known exploitation of CVE-2026-85476 in the wild and no public exploit code.
Sources
Also known as AZL-106545, BIT-thrift-2026-85476, DEBIAN-CVE-2026-85476, ECHO-4b79-8fcc-a519, GHSA-g8vm-x5x9-xjwr, MINI-4h9j-5x44-h7h7 and 1 more.