CVE catalog

CVE-2024-39844

znc vulnerability

Severity: Medium
Published: Jul 3, 2024, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 3.86% · Oct 25, 2026

In ZNC before 1.9.1, remote code execution can occur in modtcl via a KICK.

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	znc	sid	`1.10.3-1`	fixed
Debian	znc	forky	`1.10.3-1`	fixed
Debian	znc	trixie	`1.9.1-2`	fixed
Debian	znc	trixie-security	`1.9.1-2+deb13u1`	fixed
Debian	znc	bookworm	`1.8.2-3.1+deb12u1`	fixed
Debian	znc	bookworm-security	`1.8.2-3.1+deb12u1`	fixed
Ubuntu	znc	noble	`1.9.0-2ubuntu0.1~esm2`	fixed
Ubuntu	znc-backlog	noble	`0.20180824+1.9.0-2ubuntu0.1~esm2`	fixed
Ubuntu	znc-dev	noble	`1.9.0-2ubuntu0.1~esm2`	fixed
Ubuntu	znc-perl	noble	`1.9.0-2ubuntu0.1~esm2`	fixed
Ubuntu	znc-push	noble	`1.0.0+git20190521.78d0385+1.9.0-2ubuntu0.1~esm2`	fixed
Ubuntu	znc-python	noble	`1.9.0-2ubuntu0.1~esm2`	fixed
Ubuntu	znc-tcl	noble	`1.9.0-2ubuntu0.1~esm2`	fixed
Ubuntu	znc	pro	`1.8.2-3.1`	vulnerable
Ubuntu	znc	pro	`1.8.2-4`	vulnerable
Ubuntu	znc	pro	`1.8.2-4build1`	vulnerable
Ubuntu	znc	pro	`1.8.2-4build3`	vulnerable
Ubuntu	znc	pro	`1.9.0-2build2`	vulnerable
Ubuntu	znc	pro	`1.9.0-2build3`	vulnerable
Ubuntu	znc	pro	`1.9.0-2ubuntu0.1~esm2`	fixed
Ubuntu	znc	22.04	`1.8.2-2build1`	vulnerable
Ubuntu	znc	22.04	`1.8.2-2build2`	vulnerable
Ubuntu	znc	22.04	`1.8.2-2build3`	vulnerable
Ubuntu	znc	22.04	`1.8.2-2build5`	vulnerable
Ubuntu	znc	22.04	`1.8.2-2ubuntu0.1`	fixed
Ubuntu	znc	pro	`1.8.2-3.1`	vulnerable
Ubuntu	znc	pro	`1.8.2-4`	vulnerable
Ubuntu	znc	pro	`1.8.2-4build1`	vulnerable
Ubuntu	znc	pro	`1.8.2-4build3`	vulnerable
Ubuntu	znc	pro	`1.9.0-2build2`	vulnerable
Ubuntu	znc	pro	`1.9.0-2build3`	vulnerable
Ubuntu	znc	pro	`1.9.0-2ubuntu0.1~esm2`	fixed
Ubuntu	znc	22.04	`1.8.2-2build1`	vulnerable
Ubuntu	znc	22.04	`1.8.2-2build2`	vulnerable
Ubuntu	znc	22.04	`1.8.2-2build3`	vulnerable
Ubuntu	znc	22.04	`1.8.2-2build5`	vulnerable
Ubuntu	znc	22.04	`1.8.2-2ubuntu0.1`	fixed
Suse	znc	package hub 15 sp6	`1.9.1-bp156.2.3.1`	fixed
Opensuse	znc	leap 15.6	`1.9.1-bp156.2.3.1`	fixed
Opensuse	znc	tumbleweed	`1.9.1-1.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	znc	source	sid	`1.9.1-1`	not yet assigned	Not reported	[1075729]
Debian	znc	source	forky	`1.9.1-1`	not yet assigned	Not reported	[1075729]
Debian	znc	source	trixie	`1.9.1-1`	not yet assigned	Not reported	[1075729]
Debian	znc	source	bookworm	`1.8.2-3.1+deb12u1`	not yet assigned	Not reported	[1075729]
Ubuntu	znc	deb	noble	`1.9.0-2ubuntu0.1~esm2`	Not reported	Not reported	Not reported
Ubuntu	znc-backlog	deb	noble	`0.20180824+1.9.0-2ubuntu0.1~esm2`	Not reported	Not reported	Not reported
Ubuntu	znc-dev	deb	noble	`1.9.0-2ubuntu0.1~esm2`	Not reported	Not reported	Not reported
Ubuntu	znc-perl	deb	noble	`1.9.0-2ubuntu0.1~esm2`	Not reported	Not reported	Not reported
Ubuntu	znc-push	deb	noble	`1.0.0+git20190521.78d0385+1.9.0-2ubuntu0.1~esm2`	Not reported	Not reported	Not reported
Ubuntu	znc-python	deb	noble	`1.9.0-2ubuntu0.1~esm2`	Not reported	Not reported	Not reported
Ubuntu	znc-tcl	deb	noble	`1.9.0-2ubuntu0.1~esm2`	Not reported	Not reported	Not reported
Ubuntu	znc	deb	pro	`1.9.0-2ubuntu0.1~esm2`	Not reported	USN-6990-1	Not reported
Ubuntu	znc	deb	22.04	`1.8.2-2ubuntu0.1`	Not reported	USN-6990-1	Not reported
Ubuntu	znc	deb	pro	`1.9.0-2ubuntu0.1~esm2`	Not reported	UBUNTU-CVE-2024-39844	Not reported
Ubuntu	znc	deb	22.04	`1.8.2-2ubuntu0.1`	Not reported	UBUNTU-CVE-2024-39844	Not reported
Suse	znc	rpm	package hub 15 sp6	`1.9.1-bp156.2.3.1`	Not reported	OPENSUSE-SU-2024:0203-1	Not reported
Opensuse	znc	rpm	leap 15.6	`1.9.1-bp156.2.3.1`	Not reported	OPENSUSE-SU-2024:0203-1	Not reported
Opensuse	znc	rpm	tumbleweed	`1.9.1-1.1`	Not reported	OPENSUSE-SU-2024:14115-1	Not reported

[Debian bug #1075729]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[znc]Unknown
Details (4)
- 1.8.2-3.1+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.8.2-3.1+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.8.2-3.1+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.8.2-3.1+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
[znc-backlog]Unknown
Source package: [znc]
Details (4)
- 0.20180824+1.8.2-3.1+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 0.20180824+1.8.2-3.1+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 0.20180824+1.8.2-3.1+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 0.20180824+1.8.2-3.1+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
[znc-dev]Unknown
Source package: [znc]
Details (4)
- 1.8.2-3.1+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.8.2-3.1+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.8.2-3.1+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.8.2-3.1+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
[znc-perl]Unknown
Source package: [znc]
Details (4)
- 1.8.2-3.1+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.8.2-3.1+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.8.2-3.1+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.8.2-3.1+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
[znc-push]Unknown
Source package: [znc]
Details (4)
- 1.0.0+git20190521.78d0385+1.8.2-3.1+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.0.0+git20190521.78d0385+1.8.2-3.1+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.0.0+git20190521.78d0385+1.8.2-3.1+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.0.0+git20190521.78d0385+1.8.2-3.1+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
[znc-python]Unknown
Source package: [znc]
Details (4)
- 1.8.2-3.1+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.8.2-3.1+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.8.2-3.1+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.8.2-3.1+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
[znc-tcl]Unknown
Source package: [znc]
Details (4)
- 1.8.2-3.1+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.8.2-3.1+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.8.2-3.1+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12
- 1.8.2-3.1+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 1.8.2-3.1+deb12u1
  usn · znc · debian · bookworm; usn · znc · debian · 12

[Debian 13 (Trixie)]

[znc]Unknown
Details (3)
- 1.9.1-2+b3 · amd64 · trixie
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
- 1.9.1-2+b3 · arm64 · trixie
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
- 1.9.1-2+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
[znc-backlog]Unknown
Source package: [znc]
Details (3)
- 0.20180824+1.9.1-2+b3 · amd64 · trixie
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
- 0.20180824+1.9.1-2+b3 · arm64 · trixie
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
- 0.20180824+1.9.1-2+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
[znc-dev]Unknown
Source package: [znc]
Details (3)
- 1.9.1-2+b3 · amd64 · trixie
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
- 1.9.1-2+b3 · arm64 · trixie
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
- 1.9.1-2+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
[znc-perl]Unknown
Source package: [znc]
Details (3)
- 1.9.1-2+b3 · amd64 · trixie
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
- 1.9.1-2+b3 · arm64 · trixie
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
- 1.9.1-2+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
[znc-push]Unknown
Source package: [znc]
Details (3)
- 1.0.0+git20190521.78d0385+1.9.1-2+b3 · amd64 · trixie
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
- 1.0.0+git20190521.78d0385+1.9.1-2+b3 · arm64 · trixie
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
- 1.0.0+git20190521.78d0385+1.9.1-2+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
[znc-python]Unknown
Source package: [znc]
Details (3)
- 1.9.1-2+b3 · amd64 · trixie
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
- 1.9.1-2+b3 · arm64 · trixie
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
- 1.9.1-2+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
[znc-tcl]Unknown
Source package: [znc]
Details (3)
- 1.9.1-2+b3 · amd64 · trixie
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
- 1.9.1-2+b3 · arm64 · trixie
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13
- 1.9.1-2+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 1.9.1-1
  usn · znc · debian · 13

[openSUSE Tumbleweed]

[znc]Unknown
Source package: [znc]
Details (1)
- 1.10.2-1.3 · x86_64 · tumbleweed
  Fixed · Fixed: 1.9.1-1.1
  usn · znc · opensuse · tumbleweed
[znc-devel]Unknown
Source package: [znc]
Details (1)
- 1.10.2-1.3 · x86_64 · tumbleweed
  Unknown · Fixed: 1.9.1-1.1
  Version impact unknown
  usn · znc · opensuse · tumbleweed
[znc-doc]Unknown
Source package: [znc]
Details (1)
- 1.10.2-1.3 · noarch · tumbleweed
  Unknown · Fixed: 1.9.1-1.1
  Version impact unknown
  usn · znc · opensuse · tumbleweed
[znc-lang]Unknown
Source package: [znc]
Details (1)
- 1.10.2-1.3 · noarch · tumbleweed
  Unknown · Fixed: 1.9.1-1.1
  Version impact unknown
  usn · znc · opensuse · tumbleweed
[znc-perl]Unknown
Source package: [znc]
Details (1)
- 1.10.2-1.3 · x86_64 · tumbleweed
  Unknown · Fixed: 1.9.1-1.1
  Version impact unknown
  usn · znc · opensuse · tumbleweed
[znc-python3]Unknown
Source package: [znc]
Details (1)
- 1.10.2-1.3 · x86_64 · tumbleweed
  Unknown · Fixed: 1.9.1-1.1
  Version impact unknown
  usn · znc · opensuse · tumbleweed

Next results

Observed: Oct 27, 2026, 3:15:30 AM UTC

References

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