How severe is CVE-2023-41910?

CVE-2023-41910 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-41910 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-41910?

CVE-2023-41910 affects Lldpd Project Lldpd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-41910?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-41910 published?

CVE-2023-41910 was published on 2023-09-05 and last updated on 2026-06-17.

CVE-2023-41910

CVE-2023-41910 is a critical-severity vulnerability in Lldpd Project Lldpd with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Lldpd Project Lldpd
Published: 2023-09-05
Last modified: 2026-06-17

Description

An issue was discovered in lldpd before 1.0.17. By crafting a CDP PDU packet with specific CDP_TLV_ADDRESSES TLVs, a malicious actor can remotely force the lldpd daemon to perform an out-of-bounds read on heap memory. This occurs in cdp_decode in daemon/protocols/cdp.c.

Frequently asked questions

What is CVE-2023-41910?: An issue was discovered in lldpd before 1.0.17. By crafting a CDP PDU packet with specific CDP_TLV_ADDRESSES TLVs, a malicious actor can remotely force the lldpd daemon to perform an out-of-bounds read on heap memory. This occurs in cdp_decode in daemon/protocols/cdp.c.
How severe is CVE-2023-41910?: CVE-2023-41910 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-41910 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-41910?: CVE-2023-41910 affects Lldpd Project Lldpd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-41910?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-41910 published?: CVE-2023-41910 was published on 2023-09-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lldpd_project:lldpd:*:*:*:*:*:*:*:*

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