CVE-2020-21047
First published: Tue Aug 22 2023(Updated: )
Last updated 24 July 2024
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/elfutils | 0.183-1 0.188-2.1 0.192-4 | |
| CentOS Elfutils | =0.177 |
Remedy
https://sourceware.org/git/?p=elfutils.git;a=commitdiff;h=99dc63b10b3878616b85df2dfd2e4e7103e414b8
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Reference Links
- https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html
- https://sourceware.org/bugzilla/show_bug.cgi?id=25068
- https://sourceware.org/git/?p=elfutils.git;a=commitdiff;h=99dc63b10b3878616b85df2dfd2e4e7103e414b8
- https://launchpad.net/bugs/cve/CVE-2020-21047
- https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8
- https://sourceware.org/git/?p=elfutils.git;a=commit;h=99dc63b10b3878616b85df2dfd2e4e7103e414b8
- https://security-tracker.debian.org/tracker/CVE-2020-21047
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21047
- https://nvd.nist.gov/vuln/detail/CVE-2020-21047
- https://ubuntu.com/security/CVE-2020-21047
Frequently Asked Questions
What is the severity of CVE-2020-21047?
CVE-2020-21047 has a severity rating related to denial-of-service due to application crashes.
How do I fix CVE-2020-21047?
To fix CVE-2020-21047, upgrade to elfutils version 0.183-1, 0.188-2.1, or 0.192-4.
Which versions of elfutils are affected by CVE-2020-21047?
Versions of elfutils prior to 0.183-1, including 0.177, are affected by CVE-2020-21047.
What types of vulnerabilities are associated with CVE-2020-21047?
CVE-2020-21047 is associated with out-of-bounds write, off-by-one error, and reachable assertion vulnerabilities.
Is there a known exploit for CVE-2020-21047?
While there are indications of a denial-of-service risk, there is no public exploit specifically documented for CVE-2020-21047.
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