CVE-2025-4878

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.19% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 8.5% of scored records. A rank, not a probability.

NVD base score

3.6 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

NVD analysis status

Deferred. NVD last modified this record on 2026-09-01.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-07-22 14:17Z1 YR AGO

Last updated

2026-09-01 12:08Z3 DAYS AGO

Reserved

2025-05-16

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Low (CVSS 3.6)

CNA CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.2

Document digest

51423db5fc76bc19d61f804bea407da76c2746cbc26da65ef21e9f1cd10fd98c

• access.redhat.comRHSA-2026:18683https://access.redhat.com/errata/RHSA-2026:18683vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2025-4878vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2376184https://bugzilla.redhat.com/show_bug.cgi?id=2376184issue-trackingx_refsource_REDHAT
• git.libssh.orghttps://git.libssh.org/projects/libssh.git/commit/?id=697650caa97eaf7623924c75f9fcfec6dd423cd1
• git.libssh.orghttps://git.libssh.org/projects/libssh.git/commit/?id=b35ee876adc92a208d47194772e99f9c71e0bedb
• www.libssh.orghttps://www.libssh.org/security/advisories/CVE-2025-4878.txt