CVE-2018-16842

9.1 criticalEPSS 2.1%

Curl versions 7.14.1 through 7.61.1 are vulnerable to a heap-based buffer over-read in the tool_msgs.c:voutf() function that may result in information exposure and denial of service.

Severity

CVSS 3.0

9.1 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS: 2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2018-10-31
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

canonical:ubuntu_linux
debian:debian_linux
haxx:curl

References

http://www.securitytracker.com/id/1042014
https://access.redhat.com/errata/RHSA-2019:2181
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16842
https://curl.haxx.se/docs/CVE-2018-16842.html
https://github.com/curl/curl/commit/d530e92f59ae9bb2d47066c3c460b25d2ffeb211

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