CVE-2022-31026

Name: CVE-2022-31026
Creator: NVD / NIST
Published: 2022-06-09T13:15:08.457+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.00%

Last modified Jun 17, 2026

CVE-2022-31026 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Trilogy is a client library for MySQL. When authenticating, a malicious server could return a specially crafted authentication packet, causing the client to read and return up to 12 bytes of data from an uninitialized variable in stack memory. EPSS estimates a 1.00% chance of exploitation in the next 30 days.

Description

Trilogy is a client library for MySQL. When authenticating, a malicious server could return a specially crafted authentication packet, causing the client to read and return up to 12 bytes of data from an uninitialized variable in stack memory. Users of the trilogy gem should upgrade to version 2.1.1 This issue can be avoided by only connecting to trusted servers.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.00%

58.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-908

Affected Software

Vendor	Product	Versions
Trilogy Project	Trilogy	< 2.1.1

References

https://github.com/github/trilogy/commit/6bed62789eaf119902b0fe247d2a91d56c31a962Patch, Third Party Advisory
https://github.com/github/trilogy/security/advisories/GHSA-5g4r-2qhx-vqfmThird Party Advisory
https://github.com/github/trilogy/commit/6bed62789eaf119902b0fe247d2a91d56c31a962Patch, Third Party Advisory
https://github.com/github/trilogy/security/advisories/GHSA-5g4r-2qhx-vqfmThird Party Advisory

Timeline

Published: Jun 9, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-31026?

How severe is CVE-2022-31026?

CVE-2022-31026 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.00% probability of exploitation in the next 30 days.

How do I fix CVE-2022-31026?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-31026?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST