Integer overflow in Haxx Libcurl
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 t…
Vulnerability class: Integer Overflow
EPSS: 0.023 (84.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Haxx Libcurl
- Fedoraproject Fedora — versions 23, 24, 25
- N/a — versions n/a
Weakness classification (CWE)
References
- FEDORA-2016-80f4f71eff (x_refsource_FEDORA, vendor-advisory)
- SSA:2016-259-01 (vendor-advisory, Third Party Advisory, x_refsource_SLACKWARE)
- RHSA-2018:3558 (x_refsource_REDHAT, vendor-advisory)
- FEDORA-2016-08533fc59c (x_refsource_FEDORA, vendor-advisory)
- 92975 (vdb-entry, x_refsource_BID, Broken Link)
- [debian-lts-announce] 20181106 [SECURITY] [DLA 1568-1] curl security update (mailing-list, x_refsource_MLIST)
- 1036813 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM)
- RHSA-2017:2016 (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2016-7167?
- CVE-2016-7167 is a critical-severity vulnerability in Haxx Libcurl, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2016-10-07.
- How severe is CVE-2016-7167?
- Critical severity. CVSS v3 base score is 9.8 out of 10.