CVE-2018-12404

Name: CVE-2018-12404
Creator: NVD / NIST
Published: 2019-05-02T17:29:01.677+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 44.40%

Last modified Jun 17, 2026

CVE-2018-12404 is a vulnerability of currently unknown severity. A cached side channel attack during handshakes using RSA encryption could allow for the decryption of encrypted content. This is a variant of the Adaptive Chosen Ciphertext attack (AKA Bleichenbacher attack) and affects all NSS versions prior to NSS 3.41.. EPSS estimates a 44.40% chance of exploitation in the next 30 days.

Description

A cached side channel attack during handshakes using RSA encryption could allow for the decryption of encrypted content. This is a variant of the Adaptive Chosen Ciphertext attack (AKA Bleichenbacher attack) and affects all NSS versions prior to NSS 3.41.

Metrics

EPSS Probability

44.40%

98.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Mozilla	Network Security Services	< 3.41

References

Timeline

Published: May 2, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-12404?

How severe is CVE-2018-12404?

Severity scoring for CVE-2018-12404 is pending analysis. The EPSS model estimates a 44.40% probability of exploitation in the next 30 days.

How do I fix CVE-2018-12404?

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-2018-12404?

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

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Source: NVD / NIST