CVE catalog
CVE-2026-8367
aria2c accepts a server certificate with incorrect Extended Key Usage (EKU). If the attackers compromise a certificate (with the associated private key) issued for a different purpose, they may be abl
- Severity
- Medium · CVSS 4.8
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.13% · Oct 25, 2026
aria2c accepts a server certificate with incorrect Extended Key Usage (EKU). If the attackers compromise a certificate (with the associated private key) issued for a different purpose, they may be able to reuse it for TLS server authentication.
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 | aria2 | sid | 1.37.0+debian-4 | vulnerable |
| Debian | aria2 | forky | 1.37.0+debian-4 | vulnerable |
| Debian | aria2 | trixie | 1.37.0+debian-3 | vulnerable |
| Debian | aria2 | bookworm | 1.36.0-1 | vulnerable |
| Cpe | aria2 | Not reported | Not reported | vulnerable |
| Cpe | aria2 | Not reported | 1.37.0 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | aria2 | source | sid | (unfixed) | not yet assigned | Not reported | [1147724] |
| Debian | aria2 | source | forky | (unfixed) | not yet assigned | Not reported | [1147724] |
| Debian | aria2 | source | trixie | (unfixed) | not yet assigned | Not reported | [1147724] |
| Debian | aria2 | source | bookworm | (unfixed) | not yet assigned | Not reported | [1147724] |
| Cpe | aria2 | cpe | Not reported | 1.37.0 | Not reported | NVD-CVE-2026-8367 | Not reported |
Notes
[trixie] aria2: Minor issue, revisit when fixed upstream [bookworm] aria2: Minor issue, revisit when fixed upstream
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [aria2]Affected
Details (2)
1.36.0-1· amd64 · bookwormAffected
nvd · aria2 · debian · bookworm; nvd · aria2 · debian · 12
1.36.0-1· arm64 · bookwormAffected
nvd · aria2 · debian · bookworm; nvd · aria2 · debian · 12
- [libaria2-0]Affected
Source package: [aria2]
Details (2)
1.36.0-1· amd64 · bookwormAffected
nvd · aria2 · debian · bookworm; nvd · aria2 · debian · 12
1.36.0-1· arm64 · bookwormAffected
nvd · aria2 · debian · bookworm; nvd · aria2 · debian · 12
- [libaria2-0-dev]Affected
Source package: [aria2]
Details (2)
1.36.0-1· amd64 · bookwormAffected
nvd · aria2 · debian · bookworm; nvd · aria2 · debian · 12
1.36.0-1· arm64 · bookwormAffected
nvd · aria2 · debian · bookworm; nvd · aria2 · debian · 12
[Debian 13 (Trixie)]
- [aria2]Affected
Details (2)
1.37.0+debian-3· amd64 · trixieAffected
nvd · aria2 · debian · 13
1.37.0+debian-3· arm64 · trixieAffected
nvd · aria2 · debian · 13
- [libaria2-0]Affected
Source package: [aria2]
Details (2)
1.37.0+debian-3· amd64 · trixieAffected
nvd · aria2 · debian · 13
1.37.0+debian-3· arm64 · trixieAffected
nvd · aria2 · debian · 13
- [libaria2-0-dev]Affected
Source package: [aria2]
Details (2)
1.37.0+debian-3· amd64 · trixieAffected
nvd · aria2 · debian · 13
1.37.0+debian-3· arm64 · trixieAffected
nvd · aria2 · debian · 13
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-8367]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-8367]
- [https://security-tracker.debian.org/tracker/CVE-2026-8367]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1524.json]
- [https://www.tenable.com/security/research/tra-2026-38]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]