Low severity · published Mar 26, 2026
CVE-2026-0968
Libssh: libssh: denial of service due to malformed sftp message
3.1
CVSS
0.5%
EPSS
No
On KEV
Description
A flaw was found in libssh in which a malicious SFTP (SSH File Transfer Protocol) server can exploit this by sending a malformed 'longname' field within an `SSH_FXP_NAME` message during a file listing operation. This missing null check can lead to reading beyond allocated memory on the heap. This can cause unexpected behavior or lead to a denial of service (DoS) due to application crashes.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Enterprise Linux 10 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat OpenShift Container Platform 4 · Red Hat
All versions, or not specified · source: vendor
EL
Enterprise Linux · Redhat
9.0; 10.0 · source: NVD
LI
Libssh · Libssh
through 0.11.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-0968
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-0968
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:18160
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:18683
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2026-0968
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2436982
Release Notes
https://www.libssh.org/2026/02/10/libssh-0-12-0-and-0-11-4-security-releases/
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