What’s Vulnerable › Vulnerabilities

CVE-2020-24821

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-04 · updated 2026-06-17
• Weakness: CWE-74

Description

A vulnerability in the dwarf::cursor::skip_form function of Libelfin v0.3 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted ELF file.

Affected products

• Libelfin Project Libelfin: 0.3

References

• https://github.com/aclements/libelfin/issues/52
• https://github.com/xiaoxiongwang/function_bugs/tree/master/libelfin#segv-in-function-dwarfcursorskip_form-at-dwarfcursorcc191
• https://github.com/aclements/libelfin/issues/52
• https://github.com/xiaoxiongwang/function_bugs/tree/master/libelfin#segv-in-function-dwarfcursorskip_form-at-dwarfcursorcc191

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