CVE-2020-24826

Name: CVE-2020-24826
Creator: NVD / NIST
Published: 2021-08-04T15:15:08.753+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.69%

Last modified Jun 17, 2026

CVE-2020-24826 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A vulnerability in the elf::section::as_strtab function of Libelfin v0.3 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted ELF file.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

0.69%

48.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-74

Affected Software

Vendor	Product	Versions
Libelfin Project	Libelfin	0.3

References

https://github.com/aclements/libelfin/issues/49Exploit, Issue Tracking, Third Party Advisory
https://github.com/xiaoxiongwang/function_bugs/tree/master/libelfin#segv-in-function-elfsectionas_strtab-at-elfelfcc284Exploit, Third Party Advisory
https://github.com/aclements/libelfin/issues/49Exploit, Issue Tracking, Third Party Advisory
https://github.com/xiaoxiongwang/function_bugs/tree/master/libelfin#segv-in-function-elfsectionas_strtab-at-elfelfcc284Exploit, Third Party Advisory

Timeline

Published: Aug 4, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-24826?

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

How severe is CVE-2020-24826?

CVE-2020-24826 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.

How do I fix CVE-2020-24826?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-24826?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST