USN-7696-1: libssh Ubuntu

CVSS: UnknownPublished
Published 14-08-2025Last modified 11-09-2026
Open JSON

Vulnerability summary

USN-7696-1 is a vulnerability in libssh Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 3 · Downstream 0 · Related 3
CVE-2025-4877CVE-2025-4878CVE-2025-5318

Timeline

  1. 14-08-2025
    PublishedVulnerability first disclosed.
  2. 11-09-2026
    Last modifiedVulnerability information updated.

Description

libssh vulnerabilities Ronald Crane discovered that libssh incorrectly handled certain base64 conversions. An attacker could use this issue to cause libssh to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2025-4877) Ronald Crane discovered that libssh incorrectly handled the privatekey_from_file() function. An attacker could use this issue to cause libssh to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2025-4878) Ronald Crane discovered that libssh incorrectly handled certain memory operations in the sftp server. An attacker could possibly use this issue to cause libssh to crash, resulting in a denial of service. (CVE-2025-5318)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu1 product
  • libssh< 0.6.3-4.3ubuntu0.6+esm2 | < 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm4 | < 0.9.3-2ubuntu2.5+esm1

1 vendor · 1 product

References

4 links