Last scanned:
··This image is acceptable for production, but remediating the identified vulnerabilities is recommended to reduce the attack surface. The two findings in golang.org/x/net, CVE-2026-78669 and CVE-2026-78659, are denial-of-service issues that could slow the Mattermost server or consume its memory if an attacker can reach it. Both only apply when TLS is enabled on the listener, because HTTP/2 is served only in that case, so deployments without TLS on that listener are not exposed to them. Neither flaw allows data theft or code execution, and no known exploits exist for them. Updating the golang.org/x/net package in a future image rebuild is the practical way to close them.
Hardening plan for this image · 5 steps
| CVE ID | Adjusted Severity | Package | Exploit Probability | Risk Context |
|---|---|---|---|---|
| CVE-2026-78669 | MEDIUM6 | golang.org/x/net v0.58.0 fixed in 0.60.0 | 0.8% Theoretical Threat | Directly ExposedContext importance: MEDIUM |
| CVE-2026-78659 | MEDIUM6 | golang.org/x/net v0.58.0 fixed in 0.60.0 | 0.9% Theoretical Threat | Directly ExposedContext importance: MEDIUM |
| CVE-2026-6368 | MEDIUM5.5 | libc6 2.36-9+deb12u14 No fix yet | 0.1% Theoretical Threat | Directly Exposed |
| CVE-2026-8674 | MEDIUM5.3 | libc6 2.36-9+deb12u14 No fix yet | 0.3% Theoretical Threat | Directly Exposed |
| CVE-2026-75806 | MEDIUM5.3 | libssl3 3.0.20-1~deb12u2 fixed in 3.0.22-1~deb12u2 | 1.1% Low-Moderate Risk | Directly Exposed |
| CVE-2026-42767 | MEDIUM5.3 | libssl3 3.0.20-1~deb12u2 fixed in 3.0.22-1~deb12u1 | 0.6% Theoretical Threat | Directly Exposed |
| CVE-2026-5450 | MEDIUM5 | libc6 2.36-9+deb12u14 No fix yet | 0.5% Theoretical Threat | Directly Exposed |
| CVE-2026-5928 | MEDIUM5 | libc6 2.36-9+deb12u14 No fix yet | 0.4% Theoretical Threat | Directly Exposed |
| CVE-2026-18374 | MEDIUM4.9 | libc6 2.36-9+deb12u14 No fix yet | 0.1% Theoretical Threat | Directly Exposed |
| CVE-2026-97032 | MEDIUM4.72 | golang.org/x/net v0.58.0 fixed in 0.60.0 | 0.7% Theoretical Threat | Directly ExposedContext importance: MEDIUM |
| CVE-2026-63072 | MEDIUM4.5 | libssl3 3.0.20-1~deb12u2 fixed in 3.0.22-1~deb12u1 | 0.9% Theoretical Threat | Directly Exposed |
| CVE-2026-63076 | MEDIUM4.5 | libssl3 3.0.20-1~deb12u2 fixed in 3.0.22-1~deb12u1 | 1.6% Low-Moderate Risk | Directly Exposed |
| CVE-2026-54874 | MEDIUM4.5 | libssl3 3.0.20-1~deb12u2 fixed in 3.0.22-1~deb12u1 | 0.6% Theoretical Threat | Directly Exposed |
| CVE-2026-63074 | MEDIUM4.5 | libssl3 3.0.20-1~deb12u2 fixed in 3.0.22-1~deb12u1 | 0.6% Theoretical Threat | Directly Exposed |
| CVE-2026-78660 | MEDIUM4.5 | golang.org/x/net v0.58.0 fixed in 0.60.0 | 0.5% Theoretical Threat | Directly Exposed |
| CVE-2026-84782 | MEDIUM4.44 | libssl3 3.0.20-1~deb12u2 fixed in 3.0.22-1~deb12u2 | 0.8% Theoretical Threat | Directly Exposed |
| CVE-2026-78663 | MEDIUM4.24 | golang.org/x/net v0.58.0 fixed in 0.60.0 | 0.9% Theoretical Threat | Directly ExposedContext importance: MEDIUM |
| CVE-2026-86805 | MEDIUM4.2 | libc6 2.36-9+deb12u14 No fix yet | <0.1% Theoretical Threat | Directly Exposed |
| CVE-2026-95818 | MEDIUM4.2 | libc6 2.36-9+deb12u14 No fix yet | 0.1% Theoretical Threat | Directly Exposed |
| CVE-2026-19542 | MEDIUM4.2 | libc6 2.36-9+deb12u14 No fix yet | 0.2% Theoretical Threat | Directly Exposed |
| CVE-2026-89092 | MEDIUM4.2 | libc6 2.36-9+deb12u14 No fix yet | 0.2% Theoretical Threat | Directly Exposed |
| CVE-2026-19499 | MEDIUM4.08 | libc6 2.36-9+deb12u14 No fix yet | 0.3% Theoretical Threat | Directly Exposed |
| DLA-4845-1 | MEDIUM4 | ca-certificates 20250419~deb12u1 fixed in 20250419~deb12u2 | — | Directly Exposed |
| GO-2026-5932 | MEDIUM4 | golang.org/x/crypto v0.57.0 No fix yet | — | Directly Exposed |
| CVE-2026-6238 | LOW3.9 | libc6 2.36-9+deb12u14 No fix yet | 0.4% Theoretical Threat | Directly Exposed |
| CVE-2010-4756 | LOW3.9 | libc6 2.36-9+deb12u14 No fix yet | 2.6% Low-Moderate Risk | Directly Exposed |
| CVE-2018-20796 | LOW3.9 | libc6 2.36-9+deb12u14 No fix yet | 5.8% Low-Moderate Risk | Directly Exposed |
| CVE-2019-1010022 | LOW3.9 | libc6 2.36-9+deb12u14 No fix yet | 3.2% Low-Moderate Risk | Directly Exposed |
| CVE-2019-1010023 | LOW3.9 | libc6 2.36-9+deb12u14 No fix yet | 3.1% Low-Moderate Risk | Directly Exposed |
| CVE-2019-1010024 | LOW3.9 | libc6 2.36-9+deb12u14 No fix yet | 3.2% Low-Moderate Risk | Directly Exposed |
| CVE-2019-1010025 | LOW3.9 | libc6 2.36-9+deb12u14 No fix yet | 2.5% Low-Moderate Risk | Directly Exposed |
| CVE-2019-9192 | LOW3.9 | libc6 2.36-9+deb12u14 No fix yet | 2.4% Low-Moderate Risk | Directly Exposed |
| CVE-2026-97399 | LOW3.7 | libc6 2.36-9+deb12u14 No fix yet | 0.3% Theoretical Threat | Directly Exposed |
| CVE-2026-35189 | LOW3.7 | libssl3 3.0.20-1~deb12u2 fixed in 3.0.22-1~deb12u2 | 0.3% Theoretical Threat | Directly Exposed |
| CVE-2026-75803 | LOW3.7 | libssl3 3.0.20-1~deb12u2 fixed in 3.0.22-1~deb12u1 | 0.3% Theoretical Threat | Directly Exposed |
| CVE-2026-5435 | LOW3.54 | libc6 2.36-9+deb12u14 No fix yet | 0.2% Theoretical Threat | Directly Exposed |
| CVE-2026-6791 | LOW3.54 | libc6 2.36-9+deb12u14 No fix yet | 0.2% Theoretical Threat | Directly Exposed |
| CVE-2026-77117 | LOW3.54 | libc6 2.36-9+deb12u14 No fix yet | 0.4% Theoretical Threat | Directly Exposed |
| CVE-2026-80489 | LOW3.54 | libc6 2.36-9+deb12u14 No fix yet | 0.4% Theoretical Threat | Directly Exposed |
| CVE-2026-54872 | LOW3.54 | libssl3 3.0.20-1~deb12u2 fixed in 3.0.22-1~deb12u2 | 0.4% Theoretical Threat | Directly Exposed |
| CVE-2026-75805 | LOW3.54 | libssl3 3.0.20-1~deb12u2 fixed in 3.0.22-1~deb12u2 | 0.3% Theoretical Threat | Directly Exposed |
| CVE-2026-77696 | LOW3.54 | libssl3 3.0.20-1~deb12u2 fixed in 3.0.22-1~deb12u2 | 0.4% Theoretical Threat | Directly Exposed |
| CVE-2025-27587 | LOW2.12 | libssl3 3.0.20-1~deb12u2 No fix yet | 0.4% Theoretical Threat | Directly Exposed |
| DLA-4792-1 | NONE0 | tzdata 2026b-0+deb12u1 fixed in 2026c-0+deb12u1 | — | Not Applicable |
| DLA-4854-1 | NONE0 | tzdata 2026b-0+deb12u1 fixed in 2026e-0+deb12u1 | — | Not Applicable |
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