Description
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*.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a https://github.com/curl/curl
curl 7.73.0 to and including 7.78.0affected
References
- https://hackerone.com/reports/1269242 ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/ ↗
- https://www.oracle.com/security-alerts/cpuoct2021.html ↗
- https://security.netapp.com/advisory/ntap-20211029-0003/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/ ↗
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf ↗
- https://support.apple.com/kb/HT213183 ↗
- http://seclists.org/fulldisclosure/2022/Mar/29 ↗
- https://www.debian.org/security/2022/dsa-5197 ↗
- https://security.gentoo.org/glsa/202212-01 ↗
- https://cert-portal.siemens.com/productcert/html/ssa-389290.html ↗
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html ↗