CVE-2023-6992: Memory corruption issues is Cloudflare zlib implementation
First published: Thu Jan 04 2024(Updated: )
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.
Credit: cna@cloudflare.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cloudflare Zlib | <2023-11-16 |
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