CVE-2022-2309
NULL Pointer Dereference in lxml/lxml
7.5CVSSHIGH
Description
lxml NULL Pointer Dereference allows attackers to cause a denial of service
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
and 6 more affected products View all →
Attack Graph
Products CVE Techniques Tactics
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Exploitability
1 exploit source identified
Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.
View exploit details Official Patch Available
MITRE ATT&CK
2 techniques Impact
Initial Access
References
https://nvd.nist.gov/vuln/detail/CVE-2022-2309
nvd.nist.gov
https://github.com/lxml/lxml/commit/86368e9cf70a0ad23cccd5ee32de847149af0c6f
github.com
https://github.com/advisories/GHSA-wrxv-2j5q-m38w
github.com
and 22 more references View all →
Timeline
Published
Jul 5, 2022
Last Updated
Nov 4, 2025
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