PT-2025-27032 · Libssh+5 · Libssh+5

Ronald Crane · Published 2025-04-22 · Updated 2025-10-19 · CVE-2025-5449

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: libssh (affected versions not specified)

Description: The issue is related to an integer overflow in the sftp decode channel data to packet() function of the libssh library. This could allow a remote attacker to cause a denial of service.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Out of bounds Read

Integer Overflow

Buffer Overflow

Weakness Enumeration

CWE-125

CWE-190

CWE-119

Related Identifiers

ALT-PU-2025-10972

BDU:2025-07645

CVE-2025-5449

JLSEC-2025-100

OPENSUSE-SU-2025:15243-1

USN-7619-1

Affected Products

Alt Linux

Astra Linux

Linuxmint

Red Os

Ubuntu

Libssh

References · 49

• https://osv.dev/vulnerability/UBUNTU-CVE-2025-5449 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-5351 · Vendor Advisory
• https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.11&id=261612179f740bc62ba363d98b3bd5e5573a811f · Patch
• https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.11&id=5504ff40515439a5fecbb17da7483000c4d12eb7 · Patch
• https://ubuntu.com/security/CVE-2025-4877 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:15243-1 · Vendor Advisory
• https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.11&id=3443aec90188d6aab9282afc80a81df5ab72c4da · Patch
• https://osv.dev/vulnerability/CVE-2025-5449 · Vendor Advisory
• https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.11&id=78485f446af9b30e37eb8f177b81940710d54496 · Patch
• https://ubuntu.com/security/CVE-2025-5449 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-07645 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-5449 · Vendor Advisory
• https://git.libssh.org/projects/libssh.git/commit/?h=stable-0.11&id=f79ec51b7fd519dbc5737a7ba826e3ed093f6ceb · Patch
• http://repo.red-soft.ru/redos/7.3c/x86_64/updates · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-5372 · Vendor Advisory