Description
An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that causes a url_canonize2 heap-based buffer over-read because of an off-by-one error.
Scores
CVSS v3
7.5
EPSS
0.0098
EPSS Percentile
76.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-193
Status
published
Products (1)
drachtio/drachtio-server
< 0.8.19
Published
Dec 18, 2022
Tracked Since
Feb 18, 2026