CVE-2018-1000221

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-08-20 · updated 2026-06-17
Weakness: CWE-119

Description

pkgconf version 1.5.0 to 1.5.2 contains a Buffer Overflow vulnerability in dequote() that can result in dequote() function returns 1-byte allocation if initial length is 0, leading to buffer overflow. This attack appear to be exploitable via specially crafted .pc file. This vulnerability appears to have been fixed in 1.5.3.

Affected products

Pkgconf: from 1.5.0 through 1.5.2

References

https://git.dereferenced.org/pkgconf/pkgconf/pulls/3
https://git.dereferenced.org/pkgconf/pkgconf/pulls/3

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