CVE-2020-21047
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 t…
Published Aug 22, 2023 · updated Oct 14, 2026 · elfutils project elfutils
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.
Code
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No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Aug 22, 2023 · NIST NVD
Detected
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.
Oct 14, 2026 · NIST NVD
Updated
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
- cpe elfutils project/elfutils0.177
Sources
- CVE.orgVulnerability recordCVE-2020-21047
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2020-21047
30-day exploitation probability 0.3%
first.org - NIST NVDVulnerability recordCVE-2020-21047
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 vul
nvd.nist.gov