CVE & CISA-KEV Catalog

CVE-2025-15079

MEDIUM
5.3
CVSS v3
NVD

Description

When doing SSH-based transfers using either SCP or SFTP, and setting the known_hosts file, libcurl could still mistakenly accept connecting to hosts *not present* in the specified file if they were added as recognized in the libssh *global* known_hosts file.

How to fix

Remediation Available
curlDebian
Fixed in:8.18.0~rc3-1CVE-2025-15079
curlUbuntu
Fixed in:7.35.0-1ubuntu2.20+esm19USN-8062-2
Fixed in:7.47.0-1ubuntu2.19+esm15USN-8062-2
Fixed in:7.58.0-2ubuntu3.24+esm7USN-8062-2
Fixed in:7.68.0-1ubuntu2.25+esm2USN-8062-2
Fixed in:7.81.0-1ubuntu1.22USN-8062-1
Fixed in:8.5.0-2ubuntu10.7USN-8062-1
Fixed in:8.14.1-2ubuntu1.1USN-8062-1
libcurl3Ubuntu
Fixed in:7.35.0-1ubuntu2.20+esm19USN-8062-2
Fixed in:7.47.0-1ubuntu2.19+esm15USN-8062-2
libcurl3-gnutlsUbuntu
Fixed in:7.81.0-1ubuntu1.22USN-8062-1
libcurl3-nssUbuntu
Fixed in:7.81.0-1ubuntu1.22USN-8062-1
libcurl3t64-gnutlsUbuntu
Fixed in:8.5.0-2ubuntu10.7USN-8062-1
Fixed in:8.14.1-2ubuntu1.1USN-8062-1
libcurl4Ubuntu
Fixed in:7.58.0-2ubuntu3.24+esm7USN-8062-2
Fixed in:7.68.0-1ubuntu2.25+esm2USN-8062-2
Fixed in:7.81.0-1ubuntu1.22USN-8062-1
libcurl4-gnutls-devUbuntu
Fixed in:7.81.0-1ubuntu1.22USN-8062-1
Fixed in:8.5.0-2ubuntu10.7USN-8062-1
Fixed in:8.14.1-2ubuntu1.1USN-8062-1
libcurl4-nss-devUbuntu
Fixed in:7.81.0-1ubuntu1.22USN-8062-1
libcurl4-openssl-devUbuntu
Fixed in:7.81.0-1ubuntu1.22USN-8062-1
Fixed in:8.5.0-2ubuntu10.7USN-8062-1
Fixed in:8.14.1-2ubuntu1.1USN-8062-1
libcurl4t64Ubuntu
Fixed in:8.5.0-2ubuntu10.7USN-8062-1
Fixed in:8.14.1-2ubuntu1.1USN-8062-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploit Intelligence

0.46%probability of exploitation in 30 days
36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

Vendor Advisory1
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CVE-2025-15079 severity badge

Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-20.