What is CVE-2023-41910?

CVE-2023-41910 is a vulnerability in the lldpd software version 1.0.17 and below, where a malicious actor can remotely force the lldpd daemon to perform an out-of-bounds read on heap memory.

What is the severity of CVE-2023-41910?

CVE-2023-41910 has a severity rating of 9.8 (critical).

How does CVE-2023-41910 affect the lldpd software?

CVE-2023-41910 affects lldpd software versions 1.0.17 and below, allowing a malicious actor to remotely trigger an out-of-bounds read on heap memory by crafting a specific CDP PDU packet.

How can I fix CVE-2023-41910?

To fix CVE-2023-41910, it is recommended to update the lldpd software to version 1.0.17 or higher.

Where can I find more information about CVE-2023-41910?

More information about CVE-2023-41910 can be found in the following references: [GitHub Commit](https://github.com/lldpd/lldpd/commit/a9aeabdf879c25c584852a0bb5523837632f099b), [Debian Security Tracker](https://security-tracker.debian.org/tracker/CVE-2023-41910), [lldpd Releases](https://github.com/lldpd/lldpd/releases/tag/1.0.17).

Vulnerability/
CVE-2023-41910

critical

9.8

CWE

125

5/9/2023

30/9/2024

CVE-2023-41910

First published: Tue Sep 05 2023(Updated: )

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.

Credit: cve@mitre.org cve@mitre.org

Affected Software	Affected Version	How to fix
Lldpd Project Lldpd	<1.0.17
debian/lldpd	<=1.0.3-1	1.0.3-1+deb10u2 1.0.11-1+deb11u2 1.0.16-1+deb12u1 1.0.17-1

Remedy

https://github.com/lldpd/lldpd/commit/a9aeabdf879c25c584852a0bb5523837632f099b

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is CVE-2023-41910?
CVE-2023-41910 is a vulnerability in the lldpd software version 1.0.17 and below, where a malicious actor can remotely force the lldpd daemon to perform an out-of-bounds read on heap memory.
What is the severity of CVE-2023-41910?
CVE-2023-41910 has a severity rating of 9.8 (critical).
How does CVE-2023-41910 affect the lldpd software?
CVE-2023-41910 affects lldpd software versions 1.0.17 and below, allowing a malicious actor to remotely trigger an out-of-bounds read on heap memory by crafting a specific CDP PDU packet.
How can I fix CVE-2023-41910?
To fix CVE-2023-41910, it is recommended to update the lldpd software to version 1.0.17 or higher.
Where can I find more information about CVE-2023-41910?
More information about CVE-2023-41910 can be found in the following references: [GitHub Commit](https://github.com/lldpd/lldpd/commit/a9aeabdf879c25c584852a0bb5523837632f099b), [Debian Security Tracker](https://security-tracker.debian.org/tracker/CVE-2023-41910), [lldpd Releases](https://github.com/lldpd/lldpd/releases/tag/1.0.17).

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