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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database

Vulnerability Change Records for CVE-2023-6992

Change History

New CVE Received from Cloudflare, Inc. 1/04/2024 7:15:23 AM

Action Type Old Value New Value
Added Description 

								
							
							
								
							
						
								
							
								
Cloudflare version of zlib library was found to be vulnerable to memory corruption issues affecting the deflation algorithm implementation (deflate.c). The issues resulted from improper input validation and heap-based buffer overflow.
A local attacker could exploit the problem during compression using a crafted malicious file potentially leading to denial of service of the software.
Patches: The issue has been patched in commit  8352d10 https://github.com/cloudflare/zlib/commit/8352d108c05db1bdc5ac3bdf834dad641694c13c . The upstream repository is not affected.


								
								
					

					

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						CVSS V3.1
						
							
							
								
							
								

								
							
							
								
							
						
								
							
								
Cloudflare, Inc. AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

								
								
					

					

						Added
						CWE
						
							
							
								
							
								

								
							
							
								
							
						
								
							
								
Cloudflare, Inc. CWE-122

								
								
					

					

						Added
						CWE
						
							
							
								
							
								

								
							
							
								
							
						
								
							
								
Cloudflare, Inc. CWE-126

								
								
					

					

						Added
						CWE
						
							
							
								
							
								

								
							
							
								
							
						
								
							
								
Cloudflare, Inc. CWE-20

								
								
					

					

						Added
						Reference
						
							
							
								
							
								

								
							
							
								
							
						
								
							
								
Cloudflare, Inc. https://github.com/cloudflare/zlib [No types assigned]

								
								
					

					

						Added
						Reference
						
							
							
								
							
								

								
							
							
								
							
						
								
							
								
Cloudflare, Inc. https://github.com/cloudflare/zlib/security/advisories/GHSA-vww9-j87r-4cqh [No types assigned]