Numeric Range Comparison Without Minimum Check Affecting exim package, versions <4.98.4-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.07% (22nd percentile)

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  • Snyk IDSNYK-ALPINE323-EXIM-17099052
  • published30 May 2026
  • disclosed30 May 2026

Introduced: 30 May 2026

NewCVE-2026-48840  (opens in a new tab)
CWE-839  (opens in a new tab)

How to fix?

Upgrade Alpine:3.23 exim to version 4.98.4-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream exim package and not the exim package as distributed by Alpine. See How to fix? for Alpine:3.23 relevant fixed versions and status.

Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client.