Description
libsoup from versions 2.65.1 until 2.68.1 have a heap-based buffer over-read because soup_ntlm_parse_challenge() in soup-auth-ntlm.c does not properly check an NTLM message's length before proceeding with a memcpy.
References (8)
Core 8
Core References
Broken Link, Issue Tracking, Third Party Advisory x_refsource_misc
https://gitlab.gnome.org/GNOME/libsoup/issues/173
Third Party Advisory x_refsource_misc
https://security-tracker.debian.org/tracker/CVE-2019-17266
Third Party Advisory x_refsource_misc
https://gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467f4151afae244ea7d1223753cd05ab
Third Party Advisory x_refsource_misc
https://github.com/Kirin-say/Vulnerabilities/blob/master/CVE-2019-17266_POC.md
Third Party Advisory x_refsource_misc
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941912
Mailing List x_refsource_misc
https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1705054.html
Third Party Advisory x_refsource_misc
https://gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251af8266ad
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4152-1/
Scores
CVSS v3
9.8
EPSS
0.0094
EPSS Percentile
76.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-125
Status
published
Products (3)
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
19.04
gnome/libsoup
2.65.1 - 2.66.4
Published
Oct 06, 2019
Tracked Since
Feb 18, 2026