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Medium severity5.5NVD Advisory· Published Aug 22, 2023· Updated Jun 17, 2026

CVE-2020-21047

CVE-2020-21047

Description

The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks.

Affected products

3
  • elfutils/libcpudescription
  • Elfutils Project/Elfutilsllm-fuzzy2 versions
    = 0.177+ 1 more
    • (no CPE)range: = 0.177
    • cpe:2.3:a:elfutils_project:elfutils:0.177:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

3

News mentions

0

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