CVE-2025-55181 is a denial-of-service vulnerability affecting Facebook's proxygen library. It allows an attacker to trigger an infinite loop and unbounded memory growth by sending an HTTP request or response body larger than 2^31 bytes, ultimately causing the process to crash. This medium-severity vulnerability has a CVSS score of 5.3, indicating a low impact on availability with no confidentiality or integrity concerns, and can be exploited remotely without authentication. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2025.08.25.00, <= 2025.12.01.00CPE matchmatch criteria | cpe:2.3:a:facebook:proxygen:*:*:*:*:*:*:*:* | ||
>= v2025.08.25.00, <= v2025.12.01.00CPE match | cpe:2.3:a:facebook:proxygen:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.