Vulnerability · Published Oct 2, 2026 · Assigned by apache

CVE-2026-82459Apache Thrift: Integer underflow in C++ THeaderTransport allows an unauthenticated remote peer to terminate a 32-bit process

High 8.2

In plain English

A high-severity out-of-bounds write 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 28% of all known vulnerabilities).

Severity (CVSS 4.0)8.2High
Exploit odds (30 days)0.3%top 72.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Integer underflow (wrap or wraparound), Out-of-bounds write vulnerability in Apache Thrift C++ 32 bit THeaderTransport. 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

EcosystemPackageFixed inAdvisory
Debian:12thriftno fix listedDEBIAN-CVE-2026-82459
Debian:13thriftno fix listedDEBIAN-CVE-2026-82459
Debian:14thriftno fix listedDEBIAN-CVE-2026-82459
Ubuntu:22.04:LTSthriftno fix listedUBUNTU-CVE-2026-82459
Ubuntu:24.04:LTSthriftno fix listedUBUNTU-CVE-2026-82459
Ubuntu:26.04:LTSthriftno fix listedUBUNTU-CVE-2026-82459
Ubuntu:26.10thriftno fix listedUBUNTU-CVE-2026-82459

Affected products (as reported)

VendorProductVersions
Apache Software Foundation Apache Thrift 0 – before 0.25.0

Weakness: CWE-191, CWE-787 · 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