Description
A vulnerability was found in Exim and classified as problematic. This issue affects some unknown processing of the component Regex Handler. The manipulation leads to use after free. The name of the patch is 4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2. It is recommended to apply a patch to fix this issue. The identifier VDB-211073 was assigned to this vulnerability.
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 | 4.96-4 | — |
| Debian 13 | exim4 | 4.96-4 | — |
| Debian 12 | exim4 | 4.96-4 | — |
| Debian 11 | exim4 | 4.94.2-7+deb11u4 | DLA-3938-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | exim4 | 4.95-4ubuntu2.2 | USN-5741-1 |
| Ubuntu 20.04 LTS | exim4 | 4.93-13ubuntu1.7 | USN-5741-1 |
| Ubuntu 18.04 LTS | exim4 | 4.90.1-1ubuntu1.10 | USN-5741-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP5 | exim | 4.97.1-bp155.5.9.1 | openSUSE-SU-2024:0007-1 |
| SUSE Package Hub 15 SP4 | exim | 4.94.2-bp154.2.3.1 | openSUSE-SU-2022:10168-1 |
| SUSE Package Hub 15 SP3 | exim | 4.94.2-bp153.5.1 | openSUSE-SU-2022:10191-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | exim | 4.96-3.1 | openSUSE-SU-2024:12422-1 |
| openSUSE Leap 15.5 | exim | 4.97.1-bp155.5.9.1 | openSUSE-SU-2024:0007-1 |
| openSUSE Leap 15.4 | exim | 4.94.2-bp154.2.3.1 | openSUSE-SU-2022:10168-1 |
| openSUSE Leap 15.3 | exim | 4.94.2-bp153.5.1 | openSUSE-SU-2022:10191-1 |
Advisories 7
- USN-5741-1 exim4 vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-3938-1 exim4 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:12422-1 exim-4.96-3.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:10168-1 Security update for exim SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:10191-1 Security update for exim SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:0007-1 Security update for exim SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-1757 Exim: Schwachstelle ermöglicht nicht spezifizierten Angriff BSI CERT-Bund (WID) · Oct 28, 2024