MGASA-2026-0273: libssh2 Mageia

CVSS: UnknownPublished
Published 20-07-2026Last modified 20-07-2026

Vulnerability summary

MGASA-2026-0273 is a vulnerability in libssh2 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 6 · Downstream 0

Timeline

  1. 20-07-2026
    PublishedVulnerability first disclosed.
  2. 20-07-2026
    Last modifiedVulnerability information updated.

Description

Updated libssh2 packages fix security vulnerabilities The updated packages fix security vulnerabilities: Heap Buffer Over-read via sftp_symlink() in sftp.c. (CVE-2025-15661) libssh2 userauth.c userauth_password integer overflow. (CVE-2026-7598) Pre-Authentication DoS via SSH_MSG_EXT_INFO Handler. (CVE-2026-55199) Out-of-Bounds Write via Unchecked packet_length in transport.c. (CVE-2026-55200) Integer Overflow in publickey Subsystem Attribute Allocation. (CVE-2026-58050) Free of Uninitialized Pointer in publickey List Cleanup. (CVE-2026-58051)

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
  • libssh2< 1.11.1-2.1.mga10
  • libssh2< 1.11.0-1.1.mga9

1 vendor · 2 products

References

10 links