CVE-2016-8618
CVE-2016-8618 is a medium-severity vulnerability in Haxx Curl with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-415.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 7.5
- EPSS exploit prediction: 5% (90th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-415
- Affected product: Haxx Curl
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2016-8618?
- 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.
- How severe is CVE-2016-8618?
- CVE-2016-8618 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2016-8618 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-8618?
- CVE-2016-8618 affects Haxx Curl. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-8618?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2016-8618 published?
- CVE-2016-8618 was published on 2018-07-31 and last updated on 2026-06-17.
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://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
Affected products (1)
- cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*
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