OSV-2020-1851 Stack-buffer-underflow in fmt::v6::basic_format_args<fmt::v6::basic_format_context<std::__1::back_insert_i

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21794 Crash type: Stack-buffer-underflow READ 16 Crash state: fmt::v6::basicformatargsfmt::v6::basicformatcontextstd::1::backinserti fmt::v6::basicformatargsfmt::v6::basicformatcontextstd::1::backinserti...

UBUNTU-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...