CVE catalog

CVE-2025-54350

iperf3 vulnerabilities

Severity: Medium · CVSS 5.3CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Published: Aug 3, 2025, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.46% · Oct 25, 2026

In iperf before 3.19.1, iperf_auth.c has a Base64Decode assertion failure and application exit upon a malformed authentication attempt.

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	iperf3	sid	`3.22-0.1`	fixed
Debian	iperf3	forky	`3.22-0.1`	fixed
Debian	iperf3	trixie	`3.18-2+deb13u2`	fixed
Debian	iperf3	bookworm	`3.12-1+deb12u2`	fixed
Debian	iperf3	bookworm-security	`3.12-1+deb12u1`	vulnerable
Ubuntu	iperf3	noble	`3.16-1ubuntu0.1~esm1`	fixed
Ubuntu	libiperf-dev	noble	`3.16-1ubuntu0.1~esm1`	fixed
Ubuntu	libiperf0	noble	`3.16-1ubuntu0.1~esm1`	fixed
Ubuntu	iperf3	noble	`3.12-1+deb12u2`	fixed
Alpine	iperf3	3.22	`3.19.1-r0`	fixed
Alpine	iperf3	3.23	`3.19.1-r0`	fixed
Alpine	iperf3	3.24	`3.19.1-r0`	fixed
Ubuntu	iperf3	pro	`3.14-1`	vulnerable
Ubuntu	iperf3	pro	`3.15-1`	vulnerable
Ubuntu	iperf3	pro	`3.16-1`	vulnerable
Ubuntu	iperf3	pro	`3.16-1build1`	vulnerable
Ubuntu	iperf3	pro	`3.16-1build2`	vulnerable
Ubuntu	iperf3	pro	`3.16-1ubuntu0.1~esm1`	fixed
Ubuntu	iperf3	22.04	`3.9-1`	vulnerable
Ubuntu	iperf3	22.04	`3.9-1build1`	vulnerable
Ubuntu	iperf3	22.04	`3.9-1+deb11u1build0.22.04.1`	vulnerable
Ubuntu	iperf3	22.04	`3.9-1+deb11u1ubuntu0.1`	fixed
Ubuntu	iperf3	25.10	`3.18-2`	vulnerable
Ubuntu	iperf3	25.10	`3.18-2ubuntu0.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	iperf3	source	sid	`3.19.1-1`	not yet assigned	Not reported	[1110376]
Debian	iperf3	source	forky	`3.19.1-1`	not yet assigned	Not reported	[1110376]
Debian	iperf3	source	trixie	`3.18-2+deb13u1`	not yet assigned	Not reported	[1110376]
Debian	iperf3	source	bookworm	`3.12-1+deb12u2`	not yet assigned	Not reported	[1110376]
Ubuntu	iperf3	deb	noble	`3.16-1ubuntu0.1~esm1`	Not reported	Not reported	Not reported
Ubuntu	libiperf-dev	deb	noble	`3.16-1ubuntu0.1~esm1`	Not reported	Not reported	Not reported
Ubuntu	libiperf0	deb	noble	`3.16-1ubuntu0.1~esm1`	Not reported	Not reported	Not reported
Ubuntu	iperf3	deb	noble	`3.12-1+deb12u2`	Not reported	Not reported	Not reported
Alpine	iperf3	apk	3.22	`3.19.1-r0`	Not reported	ALPINE-CVE-2025-54350	Not reported
Alpine	iperf3	apk	3.23	`3.19.1-r0`	Not reported	ALPINE-CVE-2025-54350	Not reported
Alpine	iperf3	apk	3.24	`3.19.1-r0`	Not reported	ALPINE-CVE-2025-54350	Not reported
Ubuntu	iperf3	deb	pro	`3.16-1ubuntu0.1~esm1`	Not reported	UBUNTU-CVE-2025-54350	Not reported
Ubuntu	iperf3	deb	22.04	`3.9-1+deb11u1ubuntu0.1`	Not reported	UBUNTU-CVE-2025-54350	Not reported
Ubuntu	iperf3	deb	25.10	`3.18-2ubuntu0.1`	Not reported	UBUNTU-CVE-2025-54350	Not reported

[Debian bug #1110376]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[iperf3]Affected
Details (4)
- 3.12-1+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 3.12-1+deb12u2
  usn · iperf3 · debian · bookworm; usn · iperf3 · debian · 12
- 3.12-1+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 3.12-1+deb12u2
  usn · iperf3 · debian · bookworm; usn · iperf3 · debian · 12
- 3.12-1+deb12u1 · amd64 · bookworm-security
  Affected · Fixed: 3.12-1+deb12u2
  usn · iperf3 · debian · bookworm; usn · iperf3 · debian · 12
- 3.12-1+deb12u1 · arm64 · bookworm-security
  Affected · Fixed: 3.12-1+deb12u2
  usn · iperf3 · debian · bookworm; usn · iperf3 · debian · 12
[libiperf0]Affected
Source package: [iperf3]
Details (4)
- 3.12-1+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 3.12-1+deb12u2
  usn · iperf3 · debian · bookworm; usn · iperf3 · debian · 12
- 3.12-1+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 3.12-1+deb12u2
  usn · iperf3 · debian · bookworm; usn · iperf3 · debian · 12
- 3.12-1+deb12u1 · amd64 · bookworm-security
  Affected · Fixed: 3.12-1+deb12u2
  usn · iperf3 · debian · bookworm; usn · iperf3 · debian · 12
- 3.12-1+deb12u1 · arm64 · bookworm-security
  Affected · Fixed: 3.12-1+deb12u2
  usn · iperf3 · debian · bookworm; usn · iperf3 · debian · 12
[libiperf-dev]Affected
Source package: [iperf3]
Details (4)
- 3.12-1+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 3.12-1+deb12u2
  usn · iperf3 · debian · bookworm; usn · iperf3 · debian · 12
- 3.12-1+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 3.12-1+deb12u2
  usn · iperf3 · debian · bookworm; usn · iperf3 · debian · 12
- 3.12-1+deb12u1 · amd64 · bookworm-security
  Affected · Fixed: 3.12-1+deb12u2
  usn · iperf3 · debian · bookworm; usn · iperf3 · debian · 12
- 3.12-1+deb12u1 · arm64 · bookworm-security
  Affected · Fixed: 3.12-1+deb12u2
  usn · iperf3 · debian · bookworm; usn · iperf3 · debian · 12

[Debian 13 (Trixie)]

[iperf3]Fixed
Details (2)
- 3.18-2+deb13u2 · amd64 · trixie
  Fixed · Fixed: 3.18-2+deb13u1
  usn · iperf3 · debian · 13
- 3.18-2+deb13u2 · arm64 · trixie
  Fixed · Fixed: 3.18-2+deb13u1
  usn · iperf3 · debian · 13
[libiperf0]Fixed
Source package: [iperf3]
Details (2)
- 3.18-2+deb13u2 · amd64 · trixie
  Fixed · Fixed: 3.18-2+deb13u1
  usn · iperf3 · debian · 13
- 3.18-2+deb13u2 · arm64 · trixie
  Fixed · Fixed: 3.18-2+deb13u1
  usn · iperf3 · debian · 13
[libiperf-dev]Fixed
Source package: [iperf3]
Details (2)
- 3.18-2+deb13u2 · amd64 · trixie
  Fixed · Fixed: 3.18-2+deb13u1
  usn · iperf3 · debian · 13
- 3.18-2+deb13u2 · arm64 · trixie
  Fixed · Fixed: 3.18-2+deb13u1
  usn · iperf3 · debian · 13

Observed: Oct 24, 2026, 8:27:01 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]