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Debian Security Advisory DSA-5505-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
September 25, 2023                    https://www.debian.org/security/faq
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Package        : lldpd
CVE ID         : CVE-2023-41910

Matteo Memelli reported an out-of-bounds read flaw when parsing CDP
addresses in lldpd, an implementation of the IEEE 802.1ab (LLDP)
protocol. A remote attacker can take advantage of this flaw to cause a
denial of service via a specially crafted CDP PDU packet.

For the oldstable distribution (bullseye), this problem has been fixed
in version 1.0.11-1+deb11u2.

For the stable distribution (bookworm), this problem has been fixed in
version 1.0.16-1+deb12u1.

We recommend that you upgrade your lldpd packages.

For the detailed security status of lldpd please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/source-package/lldpd

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

Debian: DSA-5505-1: lldpd security update

September 25, 2023
Matteo Memelli reported an out-of-bounds read flaw when parsing CDP addresses in lldpd, an implementation of the IEEE 802.1ab (LLDP) protocol

Summary

For the oldstable distribution (bullseye), this problem has been fixed
in version 1.0.11-1+deb11u2.

For the stable distribution (bookworm), this problem has been fixed in
version 1.0.16-1+deb12u1.

We recommend that you upgrade your lldpd packages.

For the detailed security status of lldpd please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/source-package/lldpd

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

Severity
Matteo Memelli reported an out-of-bounds read flaw when parsing CDP
addresses in lldpd, an implementation of the IEEE 802.1ab (LLDP)
protocol. A remote attacker can take advantage of this flaw to cause a
denial of service via a specially crafted CDP PDU packet.

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