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NVD Vulnerability Details :
CVE-2025-8277
Awaiting Analysis
More InfoOfficial Page
Source-secalert@redhat.com
View Known Exploited Vulnerability (KEV) details
Published At-09 Sep, 2025 | 12:15
Updated At-09 Sep, 2025 | 16:28

A flaw was found in libssh's handling of key exchange (KEX) processes when a client repeatedly sends incorrect KEX guesses. The library fails to free memory during these rekey operations, which can gradually exhaust system memory. This issue can lead to crashes on the client side, particularly when using libgcrypt, which impacts application stability and availability.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.13.1LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Type: Primary
Version: 3.1
Base score: 3.1
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-401Primarysecalert@redhat.com
CWE ID: CWE-401
Type: Primary
Source: secalert@redhat.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://access.redhat.com/security/cve/CVE-2025-8277secalert@redhat.com
N/A
https://bugzilla.redhat.com/show_bug.cgi?id=2383888secalert@redhat.com
N/A
Hyperlink: https://access.redhat.com/security/cve/CVE-2025-8277
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2383888
Source: secalert@redhat.com
Resource: N/A
Change History
0Changes found
Details not found