MGASA-2026-0425: libssh Mageia

CVSS: UnknownPublished
Published 20-09-2026Last modified 20-09-2026

Vulnerability summary

MGASA-2026-0425 is a vulnerability in libssh Mageia 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 9 · Downstream 0

Timeline

  1. 20-09-2026
    PublishedVulnerability first disclosed.
  2. 20-09-2026
    Last modifiedVulnerability information updated.

Description

Updated libssh packages fix security vulnerabilities Stack buffer overflow in SFTP server longname construction. (CVE-2026-15370) Denial of service via zero advertised channel packet size. (CVE-2026-59843) Denial of service via oversized SFTP read length. (CVE-2026-59844) Denial of service via unchecked ProxyCommand fork() failure. (CVE-2026-59845) Information disclosure via ProxyCommand %r username expansion. (CVE-2026-59846) Integrity downgrade via OpenSSL AES-GCM tag verification. (CVE-2026-59847) Denial of service via SFTP responses with unknown request IDs. (CVE-2026-59848) Denial of service via automatic certificate authentication loop. (CVE-2026-59849) Use-after-free via data callbacks on closed channels. (CVE-2026-59850)

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

Mageia2 products
  • libssh< 0.11.5-1.mga10
  • libssh< 0.10.6-1.3.mga9

1 vendor · 2 products

References

8 links