CVE-2018-1000052

HIGH

fmt < 4.1.0 - Memory Corruption via Invalid Format Specifier in fmt::print()

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_confirm
https://github.com/fmtlib/fmt/issues/642

Scores

CVSS v3 7.5
EPSS 0.0138
EPSS Percentile 68.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-134
Status published
Products (1)
fmt/fmt < 4.1.0
Published Feb 09, 2018
Tracked Since Feb 18, 2026