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CVE-2026-59847

28
FAUCET Score

A flaw was found in libssh. Incorrect AES-GCM finalization checks in builds using the OpenSSL backend can effectively remove integrity protection, allowing an in-path attacker to modify plaintext on the wire without detection.

First published: Jul 21, 2026Last modified: Jul 22, 2026

Impacted Technologies

VendorProductVersion(s)CPE
Red HatRed Hat Enterprise Linux 10
All Versions ImpactedCNA affecteddefault affected
Red HatRed Hat Enterprise Linux 8
All Versions ImpactedCNA affecteddefault affected
Red HatRed Hat Enterprise Linux 9
All Versions ImpactedCNA affecteddefault affected
Red HatRed Hat Hardened Images
Range not provided by sourceCNA affecteddefault affected

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 3rd percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

access.redhat.com / errata/RHSA-2026:42922
access.redhat.com / security/cve/CVE-2026-59847
bugzilla.redhat.com / show_bug.cgi