What is CVE-2020-24824?

CVE-2020-24824 is a medium-severity vulnerability in Libelfin Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2021-08-04.

How severe is CVE-2020-24824?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Libelfin Project

CVE-2020-24824

A global buffer overflow issue in the dwarf::line_table::line_table function of Libelfin v0.3 allows attackers to cause a denial of service (DOS).

Vulnerability class: Buffer Overflow

Published 2021-08-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (53.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Libelfin Project — versions 0.3

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

github.com/aclements/libelfin/issues/48 (Exploit, Third Party Advisory, Issue Tracking)
github.com/xiaoxiongwang/function_bugs/tree/master/libelfin (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-24824?: CVE-2020-24824 is a medium-severity vulnerability in Libelfin Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2021-08-04.
How severe is CVE-2020-24824?: Medium severity. CVSS v3 base score is 5.5 out of 10.