CVE catalog

CVE-2025-46807

sslh: CVE-2025-46807

Severity: High · CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: Jun 2, 2025, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.43% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	sslh	sid	`2.3.1-1`	fixed
Debian	sslh	forky	`2.3.1-1`	fixed
Debian	sslh	trixie	`2.1.4-1`	vulnerable
Debian	sslh	bookworm	`1.20-1`	vulnerable
Debian	sslh	bookworm-security	`1.20-1+deb12u1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	sslh	source	sid	`2.3.1-1`	not yet assigned	Not reported	[1107213]
Debian	sslh	source	forky	`2.3.1-1`	not yet assigned	Not reported	[1107213]
Debian	sslh	source	trixie	`(unfixed)`	not yet assigned	Not reported	[1107213]
Debian	sslh	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1107213]

[Debian bug #1107213]

Notes

[trixie] sslh: Minor issue [bookworm] sslh: Minor issue

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[sslh]Affected
Details (4)
- 1.20-1+b2 · amd64 · bookworm
  Affected
  dsa · sslh · debian · bookworm; dsa · sslh · debian · 12
- 1.20-1+b2 · arm64 · bookworm
  Affected
  dsa · sslh · debian · bookworm; dsa · sslh · debian · 12
- 1.20-1+deb12u1 · amd64 · bookworm-security
  Affected
  dsa · sslh · debian · bookworm; dsa · sslh · debian · 12
- 1.20-1+deb12u1 · arm64 · bookworm-security
  Affected
  dsa · sslh · debian · bookworm; dsa · sslh · debian · 12

[Debian 13 (Trixie)]

[sslh]Affected
Source package: [sslh]
Details (2)
- 2.1.4-1+b1 · amd64 · trixie
  Affected
  dsa · sslh · debian · 13
- 2.1.4-1+b1 · arm64 · trixie
  Affected
  dsa · sslh · debian · 13

Observed: Oct 24, 2026, 10:03:54 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]