Vulnerability · Published May 21, 2026 · Assigned by securin

CVE-2026-44060Integer underflow in dsi_writeinit() leads to denial of service

High 7.5

In plain English

A high-severity security flaw in Netatalk from Netatalk. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 74.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An integer underflow in dsi_writeinit() in Netatalk 1.5.0 through 4.4.2 allows a remote unauthenticated attacker to cause a denial of service via a crafted DSI write request.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.24netatalk4.4.3-r0ALPINE-CVE-2026-44060
Debian:13netatalk4.2.3~ds-1+deb13u2DEBIAN-CVE-2026-44060
Debian:14netatalk4.4.3~ds-1DEBIAN-CVE-2026-44060
Ubuntu:25.10netatalkno fix listedUBUNTU-CVE-2026-44060
Ubuntu:26.04:LTSnetatalk4.2.3~ds-2.1ubuntu0.1USN-8395-1
Ubuntu:26.04:LTSnetatalk4.2.3~ds-2.1ubuntu0.1UBUNTU-CVE-2026-44060

Affected products (as reported)

VendorProductVersions
Netatalk Netatalk 1.5.0 – through 4.4.2

Weakness: CWE-191 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References