cve 2020 27545

About this tag
CVE-2020-27545 is a one-byte out-of-bounds read vulnerability in libdwarf, a C library for reading DWARF debug data. The flaw exists in the line table parsing code of libdwarf releases prior to 20201017. A crafted object file can trigger an invalid pointer dereference, leading to a crash or denial-of-service condition in any application that uses the library. The issue was fixed in libdwarf version 20201017. This tag covers discussions about the vulnerability, its impact on debugging and binary analysis tools, and the patch that resolves it.

  1. CVE-2020-27545: One byte OOB read in libdwarf line table fixed in 20201017

    libdwarf — the small, unassuming library that reads DWARF debug data — contains a parsing defect tracked as CVE‑2020‑27545 that, in releases prior to 20201017, can be induced by a crafted object to perform a one‑byte out‑of‑bounds read via an invalid pointer dereference in a malformed line...
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