CVE catalog
CVE-2021-41867
onionshare: CVE-2021-41867
- Severity
- Medium · CVSS 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.81% · Oct 25, 2026
An information disclosure vulnerability in OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to retrieve the full list of participants of a non-public OnionShare node via the --chat feature.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | onionshare | sid | 2.6.5-1 | fixed |
| Debian | onionshare | forky | 2.6.5-1 | fixed |
| Debian | onionshare | trixie | 2.6.3-1+deb13u2 | fixed |
| Debian | onionshare | bookworm | 2.6-5~deb12u1 | fixed |
| Opensuse | python-onionshare | tumbleweed | 2.4-1.1 | fixed |
| Ubuntu | onionshare | pro | 2.2-3 | vulnerable |
| Ubuntu | onionshare | pro | 2.2-3ubuntu0.1~esm1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | onionshare | source | sid | 2.5-1 | not yet assigned | Not reported | [1014966] |
| Debian | onionshare | source | forky | 2.5-1 | not yet assigned | Not reported | [1014966] |
| Debian | onionshare | source | trixie | 2.5-1 | not yet assigned | Not reported | [1014966] |
| Debian | onionshare | source | bookworm | 2.5-1 | not yet assigned | Not reported | [1014966] |
| Opensuse | python-onionshare | rpm | tumbleweed | 2.4-1.1 | Not reported | OPENSUSE-SU-2024:11557-1 | Not reported |
OpenFactory catalog packages
[openSUSE Tumbleweed]
- [python3-onionshare]Unknown
Source package: [python-onionshare]
Details (1)
2.6.4-1.2· noarch · tumbleweedUnknown · Fixed:
2.4-1.1Version impact unknown
dsa · python-onionshare · opensuse · tumbleweed
[Debian 12 (Bookworm)]
- [onionshare]Fixed
Details (2)
2.6-5~deb12u1· all · bookwormFixed · Fixed:
2.5-1dsa · onionshare · debian · bookworm; dsa · onionshare · debian · 12
2.6-5~deb12u1· all · bookwormFixed · Fixed:
2.5-1dsa · onionshare · debian · bookworm; dsa · onionshare · debian · 12
- [onionshare-cli]Fixed
Source package: [onionshare]
Details (2)
2.6-5~deb12u1· all · bookwormFixed · Fixed:
2.5-1dsa · onionshare · debian · bookworm; dsa · onionshare · debian · 12
2.6-5~deb12u1· all · bookwormFixed · Fixed:
2.5-1dsa · onionshare · debian · bookworm; dsa · onionshare · debian · 12
[Debian 13 (Trixie)]
- [onionshare]Fixed
Details (2)
2.6.3-1· all · trixieFixed · Fixed:
2.5-1dsa · onionshare · debian · 13
2.6.3-1· all · trixieFixed · Fixed:
2.5-1dsa · onionshare · debian · 13
- [onionshare-cli]Fixed
Source package: [onionshare]
Details (2)
2.6.3-1· all · trixieFixed · Fixed:
2.5-1dsa · onionshare · debian · 13
2.6.3-1· all · trixieFixed · Fixed:
2.5-1dsa · onionshare · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2024_11557-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-41867]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-41867]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:11557-1]
- [https://security-tracker.debian.org/tracker/CVE-2021-41867]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]