CVE-2023-6992 describes memory corruption vulnerabilities, specifically heap-based buffer overflows and improper input validation, within Cloudflare's custom zlib library affecting its deflation algorithm. A local attacker could exploit these flaws during compression with a specially crafted file, leading to a denial of service. The vulnerability has a CVSS score of 5.5 (Medium), indicating a low attack complexity and requiring local access, with the primary impact being high availability loss. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2023-11-16CPE matchmatch criteria | cpe:2.3:a:cloudflare:zlib:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.