What’s Vulnerable › Vulnerabilities

CVE-2016-5043

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-02-17 · updated 2026-06-17
• Weakness: CWE-125

Description

The dwarf_dealloc function in libdwarf before 20160923 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted DWARF section.

Affected products

• Libdwarf Project Libdwarf: from 1999-12-14 before 2016-09-23 — fixed in 2016-09-23

How to fix

Upgrade to a fixed version: Libdwarf Project Libdwarf 2016-09-23. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2016/05/24/1
• http://www.openwall.com/lists/oss-security/2016/05/25/1
• https://www.prevanders.net/dwarfbug.html
• http://www.openwall.com/lists/oss-security/2016/05/24/1
• http://www.openwall.com/lists/oss-security/2016/05/25/1
• https://www.prevanders.net/dwarfbug.html

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