Description
Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://github.com/Exim/exim/wiki/EximSecurity ↗
- https://www.exim.org/static/doc/security/ ↗
- https://github.com/ivd38/exim_overflow ↗
- https://www.openwall.com/lists/oss-security/2022/08/06/8 ↗
- https://github.com/Exim/exim/compare/exim-4.94...exim-4.95 ↗
- https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743 ↗
- https://lists.debian.org/debian-lts-announce/2022/08/msg00014.html ↗