CVE-2026-83632 Apache Thrift: C++ THttpTransport grows its line buffer without bound
An integer overflow in Apache Thrift's C++ THttpTransport allows attackers to cause heap-based buffer overflows, leading to denial of service or potential code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-83632?
CVE-2026-83632 is a critical 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
Allocation of resources without limits or throttling, Integer overflow or wraparound, Heap-based buffer overflow vulnerability in Apache Thrift.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Which versions are affected by CVE-2026-83632?
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-2026-83632?
Upgrade thrift to 0.25.0 or later.
Is CVE-2026-83632 being exploited?
There is no known exploitation of CVE-2026-83632 in the wild and no public exploit code.
Sources
Also known as AZL-105947, BIT-thrift-2026-83632, DEBIAN-CVE-2026-83632, ECHO-c182-7d24-f2ce, GHSA-ffqv-2x6m-g28r, MINI-rw9j-cj29-wjf3 and 1 more.