CVE-2018-16842

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.

• CWE-125
• CWE-125

• http://www.securitytracker.com/id/1042014Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2019:2181
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16842Issue Tracking, Third Party Advisory
• https://curl.haxx.se/docs/CVE-2018-16842.htmlPatch, Vendor Advisory
• https://github.com/curl/curl/commit/d530e92f59ae9bb2d47066c3c460b25d2ffeb211Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/11/msg00005.htmlMailing List, Third Party Advisory
• https://security.gentoo.org/glsa/201903-03Third Party Advisory
• https://usn.ubuntu.com/3805-1/Third Party Advisory
• https://usn.ubuntu.com/3805-2/Third Party Advisory
• https://www.debian.org/security/2018/dsa-4331Third Party Advisory
• https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
• http://www.securitytracker.com/id/1042014Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2019:2181
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16842Issue Tracking, Third Party Advisory
• https://curl.haxx.se/docs/CVE-2018-16842.htmlPatch, Vendor Advisory
• https://github.com/curl/curl/commit/d530e92f59ae9bb2d47066c3c460b25d2ffeb211Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/11/msg00005.htmlMailing List, Third Party Advisory
• https://security.gentoo.org/glsa/201903-03Third Party Advisory
• https://usn.ubuntu.com/3805-1/Third Party Advisory
• https://usn.ubuntu.com/3805-2/Third Party Advisory
• https://www.debian.org/security/2018/dsa-4331Third Party Advisory
• https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

Published

Oct 31, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2018-16837Ansible "User" module leaks any data which is passed on as a…7.8
• CVE-2018-16838A flaw was found in sssd Group Policy Objects implementation…5.4
• CVE-2018-16839Curl versions 7.33.0 through 7.61.1 are vulnerable to a buff…4.3
• CVE-2018-1684IBM WebSphere MQ 8.0 through 9.1 is vulnerable to a error wi…5.3
• CVE-2018-16840A heap use-after-free flaw was found in curl versions from 7…9.8
• CVE-2018-16841Samba from version 4.3.0 and before versions 4.7.12, 4.8.7 a…6.5
• CVE-2018-16843nginx before versions 1.15.6 and 1.14.1 has a vulnerability …7.5
• CVE-2018-16844nginx before versions 1.15.6 and 1.14.1 has a vulnerability …7.5
• CVE-2018-16845nginx before versions 1.15.6, 1.14.1 has a vulnerability in …6.1
• CVE-2018-16846It was found in Ceph versions before 13.2.4 that authenticat…6.5
• CVE-2018-16847An OOB heap buffer r/w access issue was found in the NVM Exp…7.8
• CVE-2018-16848A Denial of Service (DoS) condition is possible in OpenStack…6.5