CVE-2018-16890

CVE-2018-16890

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libcurl versions from 7.36.0 to before 7.64.0 is vulnerable to a heap buffer out-of-bounds read. The function handling incoming NTLM type-2 messages (`lib/vauth/ntlm.c:ntlm_decode_type2_target`) does not validate incoming data correctly and is subject to an integer overflow vulnerability. Using that overflow, a malicious or broken NTLM server could trick libcurl to accept a bad length + offset combination that would lead to a buffer read out-of-bounds.

CVSS 5.4 · Moyenne · EPSS 5,4% · Correctif disponible

Publication

2019-02-06T20:00:00.000Z

Mise à jour

2026-04-15T20:53:35.135Z

Pile logicielle: system

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