CVE-2022-32206
6.5CVSSMEDIUM
Description
curl < 7.84.0 supports "chained" HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and potentially with different algorithms. The number of acceptable "links" in this "decompression chain" 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 "malloc bomb", makingcurl end up spending enormous amounts of allocated heap memory, or trying toand returning out of memory errors.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
and 23 more affected products View all →
Attack Graph
Products CVE Techniques Tactics
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Exploitability
Official Patch Available
MITRE ATT&CK
1 technique Impact
References
http://seclists.org/fulldisclosure/2022/Oct/28
seclists.org
http://seclists.org/fulldisclosure/2022/Oct/41
seclists.org
http://www.openwall.com/lists/oss-security/2023/02/15/3
openwall.com
and 28 more references View all →
Timeline
Published
Jul 7, 2022
Last Updated
May 5, 2025
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