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CVE record · CVE-2023-5388

NSS was susceptible to a timing side-channel attack when performing RSA decryption.

CVSS 6.5 MediumEPSS 0.0097 · 62nd percentile

Published by the CVE Program (CNA: mozilla) at 19 Mar 2024, 12:02 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Mozilla Firefox
  • affected unspecified to before 124 custom
Mozilla Firefox ESR
  • affected unspecified to before 115.9 custom
Mozilla Thunderbird
  • affected unspecified to before 115.9 custom
Identifiers
CVE-2023-5388
CNA
mozilla
Tags
Published
19 Mar 2024
Updated
4 Nov 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
6.5 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L ADP (CISA-ADP)
  • CISA KEV Not listed.
  • EPSS 0.0097, the 62nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 19 Mar 2024. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.