CVE-2026-66140:
Exim before 4.99.5 allows directory traversal to access files outside of the spool area, and consequently gain privileges, because arguments related to queue-name are mishandled.
CVE-2026-66141:
Exim before 4.99.5 allows .forward privilege escalation because force_command for a pipe transport is mishandled.
CVE-2026-66140:
Exim before 4.99.5 allows directory traversal to access files outside of the spool area, and consequently gain privileges, because arguments related to queue-name are mishandled.
CVE-2026-66141:
Exim before 4.99.5 allows .forward privilege escalation because force_command for a pipe transport is mishandled.
2 issues postponed or untriaged:
CVE-2026-40686:
(postponed; to be fixed through a stable update)
In Exim before 4.99.2, when utf8 operators are enabled, there is an out-of-bounds read if large UTF-8 trailing characters are present (malformed UTF-8 header data). Information might be divulged within an error message produced during handling of an unrelated e-mail message.
CVE-2026-40687:
(postponed; to be fixed through a stable update)
In Exim before 4.99.2, when the SPA authentication driver is used with an adversarial SPA resource, there can be an out-of-bounds write that crashes the connection instance, or erroneous data processing that divulges data from uninitialized heap memory.
Among the 10 debian patches
available in version 4.100-3 of the package,
we noticed the following issues:
1 patch
where the metadata indicates that the patch has not yet been forwarded
upstream. You should either forward the patch upstream or update the
metadata to document its real status.
testing migrations
This package will soon be part of the auto-perl transition. You might want to ensure that your package is ready for it.
You can probably find supplementary information in the
debian-release
archives or in the corresponding
release.debian.org
bug.
![[bug history graph]](https://qa.debian.org/data/bts/graphs/e/exim4.png){kind=link}