CVE-2020-27545 | BDVDB-2026-200182 Detail
Description#
libdwarf before 20201017 has a one-byte out-of-bounds read because of an invalid pointer dereference via an invalid line table in a crafted object.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.
Weaknesses#
- CWE-763 Release of Invalid Pointer or Reference
References#
- https://sourceforge.net/projects/libdwarf/
- https://github.com/davea42/libdwarf-code/commit/95f634808c01f1c61bbec56ed2395af997f397ea
- https://www.prevanders.net/dwarfbug.html#DW202010-001
- http://web.archive.org/web/20190601140703/https://sourceforge.net/projects/libdwarf/
- https://bugzilla.redhat.com/show_bug.cgi?id=2025694
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.