Is CVE-2022-26128 in the CISA KEV catalog?

No. CVE-2022-26128 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-26128?

CVE-2022-26128 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2022-26128?

CVE-2022-26128 has an EPSS score of 0.97% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-26128?

Upgrade frr on debian 11 to 7.5.1-1.1+deb11u3 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2022-26128

HIGH

7.8

CVSS v3

NVD

Description

A buffer overflow vulnerability exists in FRRouting through 8.1.0 due to a wrong check on the input packet length in the babel_packet_examin function in babeld/message.c.

CWE-119Buffer Overflow CWE-1284

How to fix

Remediation Available

frrDebian

Fixed in:7.5.1-1.1+deb11u3CVE-2022-26128

Fixed in:8.4.1-1CVE-2022-26128

frrUbuntu

Fixed in:7.2.1-1ubuntu0.2+esm2USN-6807-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.97%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Exploit1

github.com

Other references2

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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 2025-11-04.