CVE-2023-2512 is an integer overflow vulnerability in the FormData API implementation of Cloudflare workerd, affecting versions prior to v1.20230419.0. This flaw could lead to a segmentation fault or arbitrary undefined behavior when processing FormData instances with an extremely large number of elements. Rated 8.1 HIGH (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H), exploitation is highly complex, requiring massive memory allocation (160GB RAM) and multi-gigabyte HTTP requests. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.20230419.0CPE matchmatch criteria | cpe:2.3:a:cloudflare:workerd:*:*:*:*:*:node.js:*:* | ||
>= v1.20221108.0, <= v1.20230404.0CPE match | cpe:2.3:a:cloudflare:workerd:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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.