CVE-2026-48840

Zwakheid

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.

Getroffen producten

• exim exim

Bronnen

• 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
• https://lists.debian.org/debian-lts-announce/2026/06/msg00004.html