CVE Feed

    Dashboard / CVE / CVE-2018-16842

    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.

    Published:Oct 31, 2018
    Last Modified:Apr 15, 2026
    EPS:Oct 31, 2018
    EPSS Score:0.00162
    CVSS Score:4.4

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Haxx
    Product
    Curl
    Vendor
    Redhat
    Product
    Ansible Tower
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Jboss Core Services

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2026-13476 (CVSS 7.3) — IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary co…
    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    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
    https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html
    https://security.gentoo.org/glsa/201903-03
    https://usn.ubuntu.com/3805-1/
    https://usn.ubuntu.com/3805-2/
    https://www.debian.org/security/2018/dsa-4331
    https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
    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
    https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html
    https://security.gentoo.org/glsa/201903-03
    https://usn.ubuntu.com/3805-1/
    https://usn.ubuntu.com/3805-2/
    https://www.debian.org/security/2018/dsa-4331
    https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High