Critical severity9.8NVD Advisory· Published Oct 6, 2019· Updated Jun 17, 2026
CVE-2019-17266
CVE-2019-17266
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5cpe:2.3:a:gnome:libsoup:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:gnome:libsoup:*:*:*:*:*:*:*:*range: >=2.65.1,<2.66.4
- (no CPE)range: 2.65.1 - 2.68.1
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*+ 1 more
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
- libsoup/libsoupdescription
Patches
Vulnerability mechanics
References
8- bugs.debian.org/cgi-bin/bugreport.cginvdThird Party Advisory
- github.com/Kirin-say/Vulnerabilities/blob/master/CVE-2019-17266_POC.mdnvdThird Party Advisory
- gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467f4151afae244ea7d1223753cd05abnvdThird Party Advisory
- gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251af8266adnvdThird Party Advisory
- gitlab.gnome.org/GNOME/libsoup/issues/173nvdBroken LinkIssue TrackingThird Party Advisory
- security-tracker.debian.org/tracker/CVE-2019-17266nvdThird Party Advisory
- usn.ubuntu.com/4152-1/nvdThird Party Advisory
- www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1705054.htmlnvd
News mentions
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