Out-of-bounds Write Affecting nss-devel package, versions <0:3.124.0-1.amzn2023.0.2


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.26% (18th percentile)

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  • Snyk IDSNYK-AMZN2023-NSSDEVEL-21702448
  • published25 Oct 2026
  • disclosed16 Jun 2026

Introduced: 16 Jun 2026

CVE-2026-12318  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 nss-devel to version 0:3.124.0-1.amzn2023.0.2 or higher.
This issue was patched in ALAS2023-2026-3242.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nss-devel package and not the nss-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

CVSS Base Scores

version 3.1