Vulnerability · Published Oct 2, 2026 · Assigned by apache
CVE-2026-94637Apache Thrift: Go `THeaderTransport` does not bound the inflated size of a ZLIB frame
High 8.2
In plain English
A high-severity security flaw in Apache Thrift from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Severity (CVSS 4.0)8.2High
Exploit odds (30 days)0.3%top 79.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper handling of highly compressed data (data amplification) vulnerability in Apache Thrift Go bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | thrift | no fix listed | DEBIAN-CVE-2026-94637 |
| Debian:13 | thrift | no fix listed | DEBIAN-CVE-2026-94637 |
| Debian:14 | thrift | no fix listed | DEBIAN-CVE-2026-94637 |
| Ubuntu:22.04:LTS | thrift | no fix listed | UBUNTU-CVE-2026-94637 |
| Ubuntu:24.04:LTS | thrift | no fix listed | UBUNTU-CVE-2026-94637 |
| Ubuntu:26.04:LTS | thrift | no fix listed | UBUNTU-CVE-2026-94637 |
| Ubuntu:26.10 | thrift | no fix listed | UBUNTU-CVE-2026-94637 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Thrift | 0 – before 0.25.0 |
Weakness: CWE-409 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
References
- https://lists.apache.org/thread/33otcgbqd27wf6qq810q56znzbomnhg1 vendor-advisory
- https://lists.apache.org/thread/6hxll1jcnod9gfr225tz7my08lpj3jmt vendor-advisory