CVE-2016-7167
9.8
CRITICAL · CVSS 3.0 · EPSS 11.7% (pctl 96)
Patch early
EPSS 11.7% — above the 10% action threshold.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 11.74% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-190 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2016-10-07 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| fedoraproject | fedora |
| haxx | libcurl |
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/
- 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
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