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CVE-2026-58096

FreeBSD remote code execution

8.8 HIGHEPSS 0.60%
  1. Published26 Aug 2026

Description

LcpDecodeConfig() did not validate the length of received endpoint discriminator options against the minimum required by RFC 1717. Undersized options would trigger an out-of-bounds write. A malicious PPP peer can exploit CVE-2026-58095 and CVE-2026-58096 to crash ppp(8) or potentially execute arbitrary code as root.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

FreeBSD14.4 · 15.0 · 15.1

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2026-58096 being actively exploited?

CVE-2026-58096 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.60%.

How severe is CVE-2026-58096?

CVE-2026-58096 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.60% probability of exploitation.

Which products are affected by CVE-2026-58096?

Affected products include FreeBSD.

How do I fix CVE-2026-58096?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-58096 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.