Is CVE-2024-31949 in the CISA KEV catalog?

No. CVE-2024-31949 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-31949?

CVE-2024-31949 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2024-31949?

CVE-2024-31949 has an EPSS score of 0.70% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-31949?

Upgrade frr on debian 11 to 7.5.1-1.1+deb11u3 or later.

CVE & CISA-KEV Catalog

CVE-2024-31949

MEDIUM

6.5

CVSS v3

NVD

Description

In FRRouting (FRR) through 9.1, an infinite loop can occur when receiving a MP/GR capability as a dynamic capability because malformed data results in a pointer not advancing.

CWE-835

How to fix

Remediation Available

frrDebian

Fixed in:7.5.1-1.1+deb11u3CVE-2024-31949

Fixed in:10.0.1-0.1CVE-2024-31949

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 ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.70%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Patch1

github.com

Issue Tracking1

github.com

Mailing List1

lists.debian.org

Other references1

lists.debian.org

Related Vulnerabilities

Other CWE-835 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-13935	High	7.5	88%	-	Fix
CVE-2020-36227	High	7.5	78%	-	Fix
CVE-2022-0778	High	7.5	71%	-	Fix
CVE-2019-14241	High	7.5	70%	-	-
CVE-2017-16944	High	7.5	63%	-	Fix
CVE-2024-20353	High	8.6	63%	KEV	-

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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.