What’s Vulnerable › Vulnerabilities

CVE-2016-7167

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 11.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-10-07 · updated 2026-06-17
• Weakness: CWE-190

Description

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.

Affected products

• Fedoraproject Fedora: 23, 24, 25
• curl: through 7.50.2

References

• 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/

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