Description
A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarc_dns_lookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of the patch is 12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211919.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Exim | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | exim4 | 4.96-7 | — |
| Debian 13 | exim4 | 4.96-7 | — |
| Debian 12 | exim4 | 4.96-7 | — |
References
- https://git.exim.org/exim.git/commit/12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445
- https://vuldb.com/?id.211919
- FEDORA-2022-ebbac924d3 vendor-advisory
- FEDORA-2022-ebd5bb0478 vendor-advisory
- FEDORA-2022-90e08c08e6 vendor-advisory