Integer Overflow or Wraparound Affecting firefox package, versions <0:140.8.0-2.0.1.el7_9


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.36% (28th percentile)

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  • Snyk IDSNYK-ORACLE7-FIREFOX-17310683
  • published11 Jun 2026
  • disclosed24 Feb 2026

Introduced: 24 Feb 2026

CVE-2026-2781  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Oracle:7 firefox to version 0:140.8.0-2.0.1.el7_9 or higher.
This issue was patched in ELSA-2026-3984.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

Integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, Thunderbird 140.8, and Firefox ESR 115.35.

CVSS Base Scores

version 3.1