Vulnerability Report

CVE-2016-7167

Title: Haxx Libcurl Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2016-7167.

CWE Category CWE-190
Published Date Oct 07, 2016
Modified Date Jun 17, 2026
Exploit Status Not Found
Score 9.8 CVSS v3.0
Exploit Probability (EPSS)
11.74%

Vulnerability Summary

CVE-2016-7167: Multiple integer overflows in the (1) curl_escape, (2) curl_easy_escape, (3) curl_unescape, and (4) curl_easy_unescape functions in libcurl before 7.50.3 allow attackers to have unspecified impact via a string of length 0xffffffff, which triggers a heap-based buffer overflow.

Impacted Vendors

H
haxx 1
L
libcurl 1

Reference Links

http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html http://www.securityfocus.com/bid/92975 http://www.securitytracker.com/id/1036813 http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.538632 https://access.redhat.com/errata/RHSA-2017:2016 https://access.redhat.com/errata/RHSA-2018:2486 https://access.redhat.com/errata/RHSA-2018:3558 https://curl.haxx.se/docs/adv_20160914.html https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B3IU2FRXQNU6UJIQT4NGLWWTP2GJQXO7/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LTH54DFOS4TSYPG5XKJDGAG4XPAR4T7M/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZMRWVISG7VUCYRMF23A2UHMYD72VQWAK/ https://security.gentoo.org/glsa/201701-47 http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html http://www.securityfocus.com/bid/92975 http://www.securitytracker.com/id/1036813 http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.538632 https://access.redhat.com/errata/RHSA-2017:2016 https://access.redhat.com/errata/RHSA-2018:2486 https://access.redhat.com/errata/RHSA-2018:3558 https://curl.haxx.se/docs/adv_20160914.html https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B3IU2FRXQNU6UJIQT4NGLWWTP2GJQXO7/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LTH54DFOS4TSYPG5XKJDGAG4XPAR4T7M/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZMRWVISG7VUCYRMF23A2UHMYD72VQWAK/ https://security.gentoo.org/glsa/201701-47
CVSS v3.0
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2016-7167 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.