How severe is CVE-2025-8114?

CVE-2025-8114 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-8114 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8114?

CVE-2025-8114 affects Libssh. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-8114?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-8114 have an EU (EUVD) identifier?

Yes. CVE-2025-8114 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22513.

When was CVE-2025-8114 published?

CVE-2025-8114 was published on 2025-07-24 and last updated on 2026-06-30.

CVE-2025-8114

CVE-2025-8114 is a medium-severity vulnerability in Libssh with a CVSS 3.x base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22513
Weakness: CWE-476
Affected product: Libssh
Published: 2025-07-24
Last modified: 2026-06-30

Description

A flaw was found in libssh, a library that implements the SSH protocol. When calculating the session ID during the key exchange (KEX) process, an allocation failure in cryptographic functions may lead to a NULL pointer dereference. This issue can cause the client or server to crash.

Frequently asked questions

What is CVE-2025-8114?: A flaw was found in libssh, a library that implements the SSH protocol. When calculating the session ID during the key exchange (KEX) process, an allocation failure in cryptographic functions may lead to a NULL pointer dereference. This issue can cause the client or server to crash.
How severe is CVE-2025-8114?: CVE-2025-8114 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-8114 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8114?: CVE-2025-8114 affects Libssh. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-8114?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8114 have an EU (EUVD) identifier?: Yes. CVE-2025-8114 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22513.
When was CVE-2025-8114 published?: CVE-2025-8114 was published on 2025-07-24 and last updated on 2026-06-30.

References

Affected products (1)

cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*

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