CVE-2019-17266
highpriority · track · 40EPSS 0.028 · 86 %ileEURUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (14)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (28)
External citations — patches, advisories, analysis.
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941912cnnvd
- https://github.com/Kirin-say/Vulnerabilities/blob/master/CVE-2019-17266_POC.mdcnnvd
- https://gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467f4151afae244ea7d1223753cd05abcnnvd
- https://gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251af8266adcnnvd
- https://gitlab.gnome.org/GNOME/libsoup/issues/173cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-17266cnnvd
- https://packetstormsecurity.com/files/154791/Ubuntu-Security-Notice-USN-4152-1.htmlcnnvd
- https://security-tracker.debian.org/tracker/CVE-2019-17266cnnvd
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