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CVE-2026-41602: Apache Thrift: Go TFramedTransport uint32 overflow

highCVSS 7.5CVE-2026-41602

CSIRTS triage

vendor: Apacheproduct: ThriftDenial of service
What
An integer overflow in Go TFramedTransport allows denial of service via uint32 overflow.
Who is affected
Applications using Apache Thrift Go bindings for network communication.
Urgency
High priority; CVSS 7.5 indicates serious impact and integer overflows can be reliably triggered.
Action
Upgrade to a patched version of Apache Thrift with uint32 overflow protection in Go TFramedTransport.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 7.5
Published
2026-08-06
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41602

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-41602coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Apache Thrift

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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