Vulnerability · Published Oct 2, 2026 · Assigned by apache
CVE-2026-93925Apache Thrift: C++ `THeaderTransport::writeVarint32()` stack buffer overflow on a negative protocol id
High 8.7
In plain English
A high-severity stack buffer overflow 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 24% of all known vulnerabilities).
Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.3%top 76.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Stack-based buffer overflow, Incorrect bitwise shift of integer vulnerability in Apache Thrift C++ THeaderProtocol. 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-2026-93925 |
| Debian:13 | thrift | no fix listed | DEBIAN-CVE-2026-93925 |
| Debian:14 | thrift | no fix listed | DEBIAN-CVE-2026-93925 |
| Ubuntu:22.04:LTS | thrift | no fix listed | UBUNTU-CVE-2026-93925 |
| Ubuntu:24.04:LTS | thrift | no fix listed | UBUNTU-CVE-2026-93925 |
| Ubuntu:26.04:LTS | thrift | no fix listed | UBUNTU-CVE-2026-93925 |
| Ubuntu:26.10 | thrift | no fix listed | UBUNTU-CVE-2026-93925 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Thrift | 0 – before 0.25.0 |
Weakness: CWE-121, CWE-835, CWE-1335 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/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/b4rrkrwoyqb9g7hk58d3fx09cbvp1tg9 vendor-advisory