Description
Sympa before 6.2.56 allows privilege escalation.
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 | sympa | 6.2.40~dfsg-5 | — |
| Debian 13 | sympa | 6.2.40~dfsg-5 | — |
| Debian 12 | sympa | 6.2.40~dfsg-5 | — |
| Debian 10 | sympa | 6.2.40~dfsg-1+deb10u1 | DSA-4818-1 |
| Debian 9 | sympa | 6.2.16~dfsg-3+deb9u3 | DLA-2401-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | sympa | 6.2.40~dfsg-4ubuntu0.20.04.1~esm1 | USN-4442-2 |
| Ubuntu Pro 18.04 LTS | sympa | 6.2.24~dfsg-1ubuntu0.1~esm1 | USN-4442-2 |
| Ubuntu Pro 16.04 LTS | sympa | 6.1.24~dfsg-1ubuntu0.1~esm1 | USN-4442-2 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | sympa | 6.1.17~dfsg-1ubuntu0.1~esm1 | USN-4442-1 |
Advisories 4
- USN-4442-2 sympa vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DSA-4818-1 sympa - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2401-1 sympa - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-4442-1 sympa vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
References
- https://sysdream.com/news/lab/
- https://github.com/sympa-community/sympa/releases
- https://sysdream.com/news/lab/2020-05-25-cve-2020-10936-sympa-privileges-escalation-to-root/
- FEDORA-2020-9b6c969aac vendor-advisory
- FEDORA-2020-d767d9077b vendor-advisory
- USN-4442-1 vendor-advisory
- [debian-lts-announce] 20201007 [SECURITY] [DLA 2401-1] sympa security update mailing-list
- DSA-4818 vendor-advisory