CVE-2026-19201

What it is

An uncontrolled recursion vulnerability in the Windows SIPA event log parser of Google go-attestation versions up to and including 0.6.1 allows an attacker to cause a denial of service (DoS). The (*WinEvents).readELAMAggregation function recurses for every nested elamAggregation sub-event without enforcing a maximum recursion depth limit, while the size guard is bypassed on recursive execution paths. By submitting a crafted Windows event log containing deeply nested elamAggregation headers, an attacker can exhaust the goroutine call stack, triggering an unrecoverable fatal runtime error (stack overflow) that immediately crashes the verifier application.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of service disruption.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-09-09 00:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-09-24 18:46 UTC Last updatedMost recent change to the record

Details

Published

2026-09-09 00:17 UTC

Last modified

2026-09-24 18:46 UTC

Exploit probability

0.3% · EPSS, next 30 days

Weakness

CWE-674

Record status

Analyzed

Affected

• Google go-attestation ≤ 0.6.1

Attack profile CVSS 4.0 · 6.6

Attack vector

Network

Complexity

Low

Attack requirements

None

Privileges needed

None

User interaction

None

Confidentiality

None

Integrity

None

Availability

High