CVE-2021-22945
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-22945
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-22945.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-22945
- Aliases
- Downstream
- Related
- Published
- 2021-09-23T13:15:08Z
- Modified
- 2025-08-09T19:01:29Z
- Severity
-
- 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it again.
- References
-
- http://seclists.org/fulldisclosure/2022/Mar/29
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
- https://hackerone.com/reports/1269242
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/
- https://security.gentoo.org/glsa/202212-01
- https://security.netapp.com/advisory/ntap-20211029-0003/
- https://support.apple.com/kb/HT213183
- https://www.debian.org/security/2022/dsa-5197
- https://www.oracle.com/security-alerts/cpuoct2021.html