CVE-2026-48840

MEDIUM CVSS 5.3 View on NVD ↗

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.

CVSS Vector

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

References

https://exim.org/static/doc/security/EXIM-Security-2026-05-19.1
https://www.openwall.com/lists/oss-security/2026/05/29/3
http://www.openwall.com/lists/oss-security/2026/05/29/3

Published: May 30, 2026 02:16 UTC Modified: May 30, 2026 04:17 UTC