Libssh: integer overflow in libssh sftp server packet length validation leading to denial of service
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| unaffected |
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| Red Hat | Red Hat Enterprise Linux 10 | unaffected | — | ||||||
| Red Hat | Red Hat Enterprise Linux 6 | unaffected | — | ||||||
| Red Hat | Red Hat Enterprise Linux 7 | unaffected | — | ||||||
| Red Hat | Red Hat Enterprise Linux 8 | unaffected | — | ||||||
| Red Hat | Red Hat Enterprise Linux 9 | unaffected | — | ||||||
| Red Hat | Red Hat OpenShift Container Platform 4 | unaffected | — | ||||||
| Red Hat | Red Hat OpenShift Container Platform 4 | unaffected | — |
Configuration 1 [-]
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No data.
No data available yet.
Vendor Workaround
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-22738 | A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash, resulting in a denial of service. |
Ubuntu USN |
USN-7619-1 | libssh vulnerabilities |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: 1.0% (1.027% probability within 30 days)
| Type | Values Removed | Values Added |
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| First Time appeared |
Redhat rhel Els
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| CPEs | cpe:/o:redhat:enterprise_linux:6 cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
cpe:/a:redhat:enterprise_linux:10 cpe:/a:redhat:enterprise_linux:8 cpe:/a:redhat:enterprise_linux:9 cpe:/o:redhat:rhel_els:6 cpe:/o:redhat:rhel_els:7 |
| Vendors & Products |
Redhat rhel Els
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| Type | Values Removed | Values Added |
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| CPEs | ||
| Vendors & Products |
Redhat rhivos
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| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Redhat rhivos
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| CPEs | cpe:/o:redhat:rhivos:1 | |
| Vendors & Products |
Redhat rhivos
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| Type | Values Removed | Values Added |
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| Metrics |
cvssV3_1
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cvssV3_1
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| Type | Values Removed | Values Added |
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| First Time appeared |
Libssh
Libssh libssh |
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| CPEs | cpe:2.3:a:libssh:libssh:0.11.0:*:*:*:*:*:*:* cpe:2.3:a:libssh:libssh:0.11.1:*:*:*:*:*:*:* |
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| Vendors & Products |
Libssh
Libssh libssh |
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
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| Description | A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash, resulting in a denial of service. | |
| Title | libssh: Integer Overflow in libssh SFTP Server Packet Length Validation Leading to Denial of Service | |
| Weaknesses | CWE-190 | |
| References |
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| Metrics |
threat_severity
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cvssV3_1
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