CVE-2025-24947 describes a hash collision vulnerability in LSQUIC (LiteSpeed QUIC) versions prior to 4.2.0, allowing remote attackers to cause a denial of service (Hash DoS) by sending crafted Source Connection IDs. This vulnerability, stemming from the use of XXH32, can lead to significant CPU load on affected servers. With a CVSS score of 5.3 (Medium), it can be exploited remotely with low attack complexity, resulting in a low impact on availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0, < 4.2.0CPE match | cpe:2.3:a:litespeedtech:lsquic:*:*:*:*:*:*:*:* |
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.
Remediation records are not available for this CVE.