CVE-2020-27545: Medium severity Libdwarf Project Libdwarf vulnerability
Published Apr 15, 2023
·Updated
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.
Affected Software
3 affected componentsFixes available
Libdwarf Project Libdwarf<2020-10-17
Microsoft cbl2 libdwarf 0.9.0
Microsoft azl3 libdwarf 0.9.0-1
Remediation
Event History
Apr 15, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Apr 16, 2023
Data Sourced
via NVD·12:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Sep 4, 2025
Data Sourced
via Microsoft·03:20 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2020-27545?
CVE-2020-27545 is classified as a low severity vulnerability due to its one-byte out-of-bounds read.
2
How do I fix CVE-2020-27545?
To fix CVE-2020-27545, update libdwarf to version 20201017 or later.
3
What impact does CVE-2020-27545 have on affected systems?
CVE-2020-27545 may lead to potential information leakage through an invalid pointer dereference.
4
In which version of libdwarf is CVE-2020-27545 present?
CVE-2020-27545 is present in libdwarf versions prior to 20201017.
5
How can I identify if my system is vulnerable to CVE-2020-27545?
You can identify if your system is vulnerable by checking the version of libdwarf installed and confirming if it is before 20201017.