Description
aria2c in aria2 1.33.1, when --log is used, can store an HTTP Basic Authentication username and password in a file, which might allow local users to obtain sensitive information by reading this file.
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 | aria2 | 1.34.0-4 | — |
| Debian 13 | aria2 | 1.34.0-4 | — |
| Debian 12 | aria2 | 1.34.0-4 | — |
| Debian 9 | aria2 | 1.30.0-2+deb9u1 | DLA-2873-1 |
| Debian 8 | aria2 | 1.18.8-1+deb8u1 | DLA-1636-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | aria2 | 1.33.1-1ubuntu0.1~esm1 | USN-4869-1 |
| Ubuntu Pro 16.04 LTS | aria2 | 1.19.0-1ubuntu0.1~esm1 | USN-4869-1 |
| Ubuntu Pro 14.04 LTS | aria2 | 1.18.1-1ubuntu0.1~esm1 | USN-4869-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP3 | aria2 | 1.35.0-bp153.2.3.1 | openSUSE-SU-2021:1125-1 |
| SUSE Package Hub 15 SP2 | aria2 | 1.35.0-bp153.2.3.1 | openSUSE-SU-2021:1125-1 |
| SUSE Package Hub 15 SP1 | aria2 | 1.35.0-bp153.2.3.1 | openSUSE-SU-2021:1125-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 | aria2 | 1.33.1-bp150.3.7.1 | openSUSE-SU-2019:0050-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | aria2 | 1.36.0-1.2 | openSUSE-SU-2024:10631-1 |
| openSUSE Leap 15.3 | aria2 | 1.35.0-bp153.2.3.1 | openSUSE-SU-2021:1125-1 |
| openSUSE Leap 15.2 | aria2 | 1.35.0-bp153.2.3.1 | openSUSE-SU-2021:1125-1 |
| openSUSE Leap 15.0 | aria2 | 1.33.1-bp150.3.7.1 | openSUSE-SU-2019:0050-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.7 | aria2 | 1.33.1-r1 | — |
Advisories 6
- USN-4869-1 aria2 vulnerability Ubuntu Security Notices (USN) · Jun 29, 2026
- DLA-1636-1 aria2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2873-1 aria2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10631-1 aria2-1.36.0-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:0050-1 Security update for aria2 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:1125-1 Security update for aria2 SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/aria2/aria2/issues/1329
- [debian-lts-announce] 20190122 [SECURITY] [DLA 1636-1] aria2 security update mailing-list
- FEDORA-2019-248ad990b4 vendor-advisory
- FEDORA-2019-8b8c774b84 vendor-advisory
- FEDORA-2019-fa61af95b3 vendor-advisory
- USN-3965-1 vendor-advisory
- [debian-lts-announce] 20211230 [SECURITY] [DLA 2873-1] aria2 security update mailing-list