CVE-2019-17266

Published: Oct 6, 2019Modified: Jun 17, 2026

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

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.

Affected (4)

Products: Gnome: Libsoup · Canonical: Ubuntu Linux

1 product

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Gnome Libsoup	From 2.65.1 to 2.66.4
Gnome Libsoup	From 2.67.1 to 2.68.1

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 18.04
Canonical Ubuntu Linux	Version 19.04

Related CWEs

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (16)

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941912

Source: cve@mitre.org

Third Party Advisory

https://github.com/Kirin-say/Vulnerabilities/blob/master/CVE-2019-17266_POC.md

Source: cve@mitre.org

Third Party Advisory

https://gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467f4151afae244ea7d1223753cd05ab

Source: cve@mitre.org

Third Party Advisory

https://gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251af8266ad

Source: cve@mitre.org

Third Party Advisory

https://gitlab.gnome.org/GNOME/libsoup/issues/173

Source: cve@mitre.org

Broken LinkIssue TrackingThird Party Advisory

https://security-tracker.debian.org/tracker/CVE-2019-17266

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/4152-1/

Source: cve@mitre.org

Third Party Advisory

https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1705054.html

Source: cve@mitre.org

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941912