What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.2 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-02 · updated 2026-10-02
• Weakness: CWE-191

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 products

• Apache Software Foundation Apache Thrift: before 0.25.0 — fixed in 0.25.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Thrift 0.25.0. Check the vendor advisory for mitigations.

References

• https://lists.apache.org/thread/33otcgbqd27wf6qq810q56znzbomnhg1
• https://lists.apache.org/thread/zf8ppfpl6nqhp53sxnz6osnjw93g9fw2

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