What is CVE-2018-1000052?

CVE-2018-1000052 is a high-severity vulnerability in Fmt, classified under Use of Externally-Controlled Format String. CVSS score: 7.5/10. Published 2018-02-09.

How severe is CVE-2018-1000052?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Fmt

CVE-2018-1000052

fmtlib version prior to version 4.1.0 (before commit 0555cea5fc0bf890afe0071a558e44625a34ba85) contains a Memory corruption (SIGSEGV), CWE-134 vulnerability in fmt::print() library function that can result in Denial of Service. This attack appear to be exploitable via Specifying an invalid format specifier in the fmt::print() function results in a SIGSEGV (memory corruption, invalid write). This vulnerability appears to have been fixed in after commit 8cf30aa2be256eba07bb1cefb998c52326e846e7.

EPSS: 0.014 (68.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Fmt
N/a — versions n/a

Weakness classification (CWE)

CWE-134 — Use of Externally-Controlled Format String

References

cve@mitre.org (x_refsource_CONFIRM, Patch)
cve@mitre.org (x_refsource_CONFIRM, Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2018-1000052?: CVE-2018-1000052 is a high-severity vulnerability in Fmt, classified under Use of Externally-Controlled Format String. CVSS score: 7.5/10. Published 2018-02-09.
How severe is CVE-2018-1000052?: High severity. CVSS v3 base score is 7.5 out of 10.