CVE-2022-2929medium

CVE-2022-2929: medium-severity vulnerability in ISC DHCP

DHCP memory leak

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.5epss 0.7%
In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
ISC · ISC DHCP
Related CVEs — ISC DHCP

In the same product, most dangerous first.

CVE-2017-3144MEDIUMFailure to properly clean up closed OMAPI connections can exhaust available socketsEPSS 72.7%CVE-2018-5733MEDIUMA malicious client can overflow a reference counter in ISC dhcpdEPSS 20.2%CVE-2021-25217HIGHA buffer overrun in lease file parsing code can be used to exploit a common vulnerability shared by dhcpd and dhclientEPSS 6.1%CVE-2018-5732HIGHA specially constructed response from a malicious server can cause a buffer overflow in dhclientEPSS 5.2%CVE-2022-2928MEDIUMAn option refcount overflow exists in dhcpdEPSS 0.7%