CVE-2026-48840

MediumCVSS 5.3/10Last modified Jul 22, 2026

Description

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-839

Affected software

No affected versions have been published.

Timeline

Published
May 30, 2026
Last modified
Jul 22, 2026
NVD status
Modified

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