curl < 7.84.0 supports โchainedโ HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and potentially with different algorithms. The number of acceptable โlinksโ in this โdecompression chainโ was unbounded, allowing a malicious server to insert a virtually unlimited number of compression steps.The use of such a decompression chain could result in a โmalloc bombโ, makingcurl end up spending enormous amounts of allocated heap memory, or trying toand returning out of memory errors.
seclists.org/fulldisclosure/2022/Oct/28
seclists.org/fulldisclosure/2022/Oct/41
www.openwall.com/lists/oss-security/2023/02/15/3
cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf
hackerone.com/reports/1570651
lists.debian.org/debian-lts-announce/2022/08/msg00017.html
lists.fedoraproject.org/archives/list/[email protected]/message/BEV6BR4MTI3CEWK2YU2HQZUW5FAS3FEY/
security.gentoo.org/glsa/202212-01
security.netapp.com/advisory/ntap-20220915-0003/
support.apple.com/kb/HT213488
www.debian.org/security/2022/dsa-5197