5.3

CVE-2026-48840

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Exim ≫ Exim Version >= 4.88 < 4.99.4
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.26% 0.176
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
cve@mitre.org 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE-839 Numeric Range Comparison Without Minimum Check

The product checks a value to ensure that it is less than or equal to a maximum, but it does not also verify that the value is greater than or equal to the minimum.

https://exim.org/static/doc/security/EXIM-Security-2026-05-19.1
Vendor Advisory
https://www.openwall.com/lists/oss-security/2026/05/29/3
Third Party Advisory
Mailing List
Mitigation
http://www.openwall.com/lists/oss-security/2026/05/29/3
Third Party Advisory
Mailing List
Mitigation
https://lists.debian.org/debian-lts-announce/2026/06/msg00004.html