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Fencer Intel
medium 5.5

CVE-2020-24826 json

A vulnerability in the elf::section::as_strtab function of Libelfin v0.3 allows attackers to cause a denial of service (DOS) through a segm…

published 5y ago modified 4mo ago also EUVD-2020-17535

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits
0
none known

Summary

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.

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Exploit prediction

0.69% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/aclements/libelfin/issues/49 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/xiaoxiongwang/function_bugs/tree/master/libelfin#segv-in-function-elfsectionas_strtab-at-elfelfcc284 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.