critical
CVE-2016-8618
curl: Double-free in curl_maprintf
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.
Severity by source
NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Oracle (high), Red Hat (medium), Amazon (medium), Ubuntu (medium).
Description
The libcurl API function called `curl_maprintf()` before version 7.51.0 can be tricked into doing a double-free due to an unsafe `size_t` multiplication, on systems using 32 bit `size_t` variables.
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| alpine 3.10 | curl | 7.51.0-r0 |
| alpine 3.11 | curl | 7.51.0 |
| alpine 3.12 | curl | 7.51.0-r0 |
| alpine 3.13 | curl | 7.51.0-r0 |
| alpine 3.14 | curl | 7.51.0-r0 |
| alpine 3.15 | curl | 7.51.0-r0 |
| alpine 3.16 | curl | 7.51.0-r0 |
| alpine 3.17 | curl | 7.51.0-r0 |
| alpine 3.18 | curl | 7.51.0-r0 |
| alpine 3.19 | curl | 7.51.0-r0 |
| alpine 3.2 | curl | 7.49.1-r4 |
| alpine 3.20 | curl | 7.51.0-r0 |
Show all 57 entries from 45 sources
| Source | Package | Fixed in |
|---|---|---|
| alpine 3.10 | curl | 7.51.0-r0 |
| alpine 3.11 | curl | 7.51.0 |
| alpine 3.12 | curl | 7.51.0-r0 |
| alpine 3.13 | curl | 7.51.0-r0 |
| alpine 3.14 | curl | 7.51.0-r0 |
| alpine 3.15 | curl | 7.51.0-r0 |
| alpine 3.16 | curl | 7.51.0-r0 |
| alpine 3.17 | curl | 7.51.0-r0 |
| alpine 3.18 | curl | 7.51.0-r0 |
| alpine 3.19 | curl | 7.51.0-r0 |
| alpine 3.2 | curl | 7.49.1-r4 |
| alpine 3.20 | curl | 7.51.0-r0 |
| alpine 3.21 | curl | 7.51.0-r0 |
| alpine 3.22 | curl | 7.51.0-r0 |
| alpine 3.23 | curl | 7.51.0-r0 |
| alpine 3.24 | curl | 7.51.0-r0 |
| alpine 3.3 | curl | 7.49.1-r4 |
| alpine 3.4 | curl | 7.51.0-r0 |
| alpine 3.5 | curl | 7.51.0-r0 |
| alpine 3.6 | curl | 7.51.0 |
| alpine 3.7 | curl | 7.51.0 |
| alpine 3.8 | curl | 7.51.0 |
| alpine 3.9 | curl | 7.51.0-r0 |
| alpine edge | curl | 7.51.0-r0 |
| amazon linux 1 | curl | 7.47.1-9.66.amzn1 |
| amazon linux 1 | curl-debuginfo | 7.47.1-9.66.amzn1 |
| amazon linux 1 | libcurl | 7.47.1-9.66.amzn1 |
| amazon linux 1 | libcurl-devel | 7.47.1-9.66.amzn1 |
| debian 11 | curl | 7.51.0-1 |
| debian 12 | curl | 7.51.0-1 |
| debian 13 | curl | 7.51.0-1 |
| debian 14 | curl | 7.51.0-1 |
| debian 7 | curl | 7.26.0-1+wheezy17 |
| debian 8 | curl | 7.38.0-4+deb8u5 |
| echo | curl | 7.51.0-1 |
| Oracle Linux 6 | curl | 7.19.7-53.0.2.el6_9 |
| Oracle Linux 6 | libcurl | 7.19.7-53.0.2.el6_9 |
| Oracle Linux 6 | libcurl-devel | 7.19.7-53.0.2.el6_9 |
| Oracle Linux 7 | curl | 7.29.0-51.0.1.el7 |
| Oracle Linux 7 | libcurl | 7.29.0-51.0.1.el7 |
| Oracle Linux 7 | libcurl-devel | 7.29.0-51.0.1.el7 |
| Red Hat | curl | no fix listed |
| Red Hat | libcurl | no fix listed |
| Red Hat | libcurl-devel | no fix listed |
| Red Hat | rh-dotnet21-curl | no fix listed |
| Red Hat | rh-dotnet21-libcurl | no fix listed |
| Red Hat | rh-dotnet21-libcurl-devel | no fix listed |
| root.io debian 11 | rootio-curl | 7.51.0-1 |
| root.io debian 12 | rootio-curl | 7.51.0-1 |
| root.io debian 13 | rootio-curl | 7.51.0-1 |
| ubuntu 12.04 | curl | 7.22.0-3ubuntu4.17 |
| ubuntu 14.04 | curl | 7.35.0-1ubuntu2.10 |
| ubuntu 14.04-ESM | curl | 7.35.0-1ubuntu2.10 |
| ubuntu 16.04 | curl | 7.47.0-1ubuntu2.2 |
| ubuntu 16.04-ESM | curl | 7.47.0-1ubuntu2.2 |
| ubuntu 16.10 | curl | 7.50.1-1ubuntu1.1 |
| ubuntu 17.04 | curl | 7.50.1-1ubuntu2 |
References
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- http://www.securityfocus.com/bid/94098
- http://www.securitytracker.com/id/1037192
- https://access.redhat.com/errata/RHSA-2018:2486
- https://access.redhat.com/errata/RHSA-2018:3558
- https://access.redhat.com/security/cve/CVE-2016-8618
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8618
- https://curl.haxx.se/docs/adv_20161102D.html
All 15 references
- https://linux.oracle.com/cve/CVE-2016-8618.html
- https://linux.oracle.com/errata/ELSA-2019-4652.html
- https://nvd.nist.gov/vuln/detail/CVE-2016-8618
- https://security.gentoo.org/glsa/201701-47
- https://ubuntu.com/security/notices/USN-3123-1
- https://www.cve.org/CVERecord?id=CVE-2016-8618
- https://www.tenable.com/security/tns-2016-21