CVE-2025-4877
medium
CVSS v3
4.5
CVSS v4 NEW
—
VIR risk
4.5
Description
Moderate: libssh security update
Predictions
Exploit likelihood
45%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| debian | bookworm | fixed | 0.10.6-0+deb12u2 |
| debian | bullseye | fixed | 0.9.8-0+deb11u2 |
| debian | forky | fixed | 0.11.2-1 |
| debian | sid | fixed | 0.11.2-1 |
| debian | trixie | fixed | 0.11.2-1 |
| sles | affected | |
References
- https://access.redhat.com/errata/RHSA-2026:18683
- https://access.redhat.com/security/cve/CVE-2025-4877
- https://bugzilla.redhat.com/show_bug.cgi?id=2376193
- https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.11&id=6fd9cc8ce3958092a1aae11f1f2e911b2747732d
- https://www.libssh.org/security/advisories/CVE-2025-4877.txt
- https://security-tracker.debian.org/tracker/CVE-2025-4877
- https://www.suse.com/security/cve/CVE-2025-4877.html
- https://bugzilla.redhat.com/2369367
- https://bugzilla.redhat.com/2376184
- https://bugzilla.redhat.com/2376193
- https://bugzilla.redhat.com/2383220
- https://bugzilla.redhat.com/2383888
- https://bugzilla.redhat.com/2433121
- https://bugzilla.redhat.com/2436979
- https://bugzilla.redhat.com/2436980
- https://bugzilla.redhat.com/2436981
- https://bugzilla.redhat.com/2436982
- https://errata.almalinux.org/9/ALSA-2026-18683.html
CWEs
CWE-787
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.