Description
MCPP 2.7.2 has a heap-based buffer overflow in the do_msg() function in support.c.
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 | mcpp | 2.7.2-5 | — |
| Debian 13 | mcpp | 2.7.2-5 | — |
| Debian 12 | mcpp | 2.7.2-5 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | mcpp | 2.7.2-5 | — |
| Ubuntu 22.04 LTS | mcpp | 2.7.2-5 | — |
| Ubuntu 20.04 LTS | mcpp | 2.7.2-5 | — |
| Ubuntu 18.04 LTS | mcpp | No fix yet | — |
| Ubuntu 16.04 LTS | mcpp | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP1 | mcpp | 2.7.2-bp151.4.3.1 | openSUSE-SU-2020:0391-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | mcpp | 2.7.2-24.8 | openSUSE-SU-2024:11044-1 |
| openSUSE Leap 15.1 | mcpp | 2.7.2-lp151.3.3.1 | openSUSE-SU-2020:0382-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.11 | mcpp | 2.7.2-r2 | — |
| Alpine v3.10 | mcpp | 2.7.2-r2 | — |
| Alpine v3.9 | mcpp | 2.7.2-r2 | — |
| Alpine v3.8 | mcpp | 2.7.2-r2 | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | mcpp | 2.7.2-28 | — |
| Azure Linux 2 (CBL-Mariner) | mcpp | 2.7.2-28 | — |
Advisories 3
- openSUSE-SU-2020:0391-1 Security update for mcpp SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0382-1 Security update for mcpp SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11044-1 libmcpp0-2.7.2-24.8 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://sourceforge.net/p/mcpp/bugs/13/
- openSUSE-SU-2020:0382 vendor-advisory
- openSUSE-SU-2020:0391 vendor-advisory
- GLSA-202208-04 vendor-advisory