CVE-2018-1000052

NameCVE-2018-1000052
Descriptionfmtlib 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)
Debian Bugs890033

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
fmtlib (PTS)buster4.1.0+ds-2vulnerable
sid5.2.1+ds-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
fmtlibsource(unstable)5.2.1+ds-1unimportant890033

Notes

https://github.com/fmtlib/fmt/issues/642
https://github.com/fmtlib/fmt/commit/8cf30aa2be256eba07bb1cefb998c52326e846e7
This looks bogus, how would that come from untrusted input

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