Vulnerability · Published Jun 2, 2025 · Assigned by suse

CVE-2025-46807File Descriptor Exhaustion in sslh-select and sslh-ev triggers SEGFAULT

High 8.7

In plain English

A high-severity resource allocation without limits in sslh from https://github.com/yrutschle/sslh/releases/tag/v2.2.4. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.4%top 62.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A Allocation of Resources Without Limits or Throttling vulnerability in sslh allows attackers to easily exhaust the file descriptors in sslh and deny legitimate users service.This issue affects sslh before 2.2.4.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12sslhno fix listedDEBIAN-CVE-2025-46807
Debian:13sslhno fix listedDEBIAN-CVE-2025-46807
Debian:14sslh2.3.1-1DEBIAN-CVE-2025-46807
Ubuntu:22.04:LTSsslhno fix listedUBUNTU-CVE-2025-46807
Ubuntu:25.10sslhno fix listedUBUNTU-CVE-2025-46807
Ubuntu:26.04:LTSsslhno fix listedUBUNTU-CVE-2025-46807
Ubuntu:26.10sslhno fix listedUBUNTU-CVE-2025-46807

Affected products (as reported)

VendorProductVersions
https://github.com/yrutschle/sslh/releases/tag/v2.2.4 sslh ? – before 2.2.4

Weakness: CWE-770 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

References