CVE-2025-54939 describes a memory leak vulnerability in the LiteSpeed QUIC (LSQUIC) Library, specifically in versions prior to 4.3.1, affecting various LiteSpeed products including Web ADC, Web Server, LSQUIC, and OpenLiteSpeed. Rated 7.5 HIGH, this vulnerability can be exploited remotely with low attack complexity and no user interaction, potentially leading to denial of service due to resource exhaustion. Currently, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.3.1CPE matchmatch criteria | cpe:2.3:a:litespeedtech:litespeed_web_adc:*:*:*:*:*:*:*:* | ||
< 6.3.4CPE matchmatch criteria | cpe:2.3:a:litespeedtech:litespeed_web_server:*:*:*:*:*:*:*:* | ||
< 4.3.1CPE matchmatch criteria | cpe:2.3:a:litespeedtech:lsquic:*:*:*:*:*:*:*:* | ||
< 1.8.4CPE matchmatch criteria | cpe:2.3:a:litespeedtech:openlitespeed:*:*:*:*:*:*:*:* | ||
>= 0, < 4.3.1CPE 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, 0.1 Mastodon, and 0.4 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.
Remediation records are not available for this CVE.