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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 11.7%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 11.74% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- fedoraproject/fedora · haxx/libcurl
- Source
- cve@mitre.org
EPSS moved from 10.5% on 21 September 2026 to 11.7% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- http://www.securityfocus.com/bid/92975Broken Link
- http://www.securitytracker.com/id/1036813Third Party Advisory, VDB Entry
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.538632Third Party Advisory
- 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.htmlVendor Advisory
- 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/92975Broken Link
- http://www.securitytracker.com/id/1036813Third Party Advisory, VDB Entry
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.538632Third Party Advisory
- 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.htmlVendor Advisory
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.