Double Free Affecting curl package, versions <0:7.19.7-53.0.2.el6_9
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published10 Apr 2022
- disclosed31 Jul 2018
Introduced: 31 Jul 2018
CVE-2016-8618 (opens in a new tab)How to fix?
Upgrade Oracle:6 curl to version 0:7.19.7-53.0.2.el6_9 or higher.
This issue was patched in ELSA-2019-4652.
NVD Description
Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Oracle.
See How to fix? for Oracle:6 relevant fixed versions and status.
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.
References
- https://linux.oracle.com/cve/CVE-2016-8618.html
- https://linux.oracle.com/errata/ELSA-2019-4652.html
- 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://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8618
- https://curl.haxx.se/docs/adv_20161102D.html
- https://security.gentoo.org/glsa/201701-47
- https://www.tenable.com/security/tns-2016-21