CVE-2019-17266
9.8
CRITICAL · CVSS 3.1 · EPSS 2.8% (pctl 86)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 2.78% — more likely to be exploited than 86% of all CVEs |
| Weakness | CWE-125 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2019-10-06 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| gnome | libsoup |
References
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941912
- https://github.com/Kirin-say/Vulnerabilities/blob/master/CVE-2019-17266_POC.md
- https://gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467f4151afae244ea7d1223753cd05ab
- https://gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251af8266ad
- https://gitlab.gnome.org/GNOME/libsoup/issues/173
- https://security-tracker.debian.org/tracker/CVE-2019-17266
- https://usn.ubuntu.com/4152-1/
- https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1705054.html
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941912
- https://github.com/Kirin-say/Vulnerabilities/blob/master/CVE-2019-17266_POC.md
- https://gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467f4151afae244ea7d1223753cd05ab
- https://gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251af8266ad
- https://gitlab.gnome.org/GNOME/libsoup/issues/173
- https://security-tracker.debian.org/tracker/CVE-2019-17266
- https://usn.ubuntu.com/4152-1/
- https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1705054.html
→ the Explorer · watch your stack · NVD