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Fencer Vulns
high 7.5

CVE-2026-44060 json

Integer underflow in dsi_writeinit() leads to denial of service

published 2026-05-21 5 mo ago modified 2026-07-20 3 mo ago also EUVD-2026-31237

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits
0
none known

Summary

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.

Patch / fix

  • Netatalk Netatalk 4.4.3
  • netatalk Debian 13 4.2.3~ds-1+deb13u2
  • netatalk Debian 14 4.4.3~ds-1

debian advisories DEBIAN-CVE-2026-44060

  • netatalk Ubuntu 26.04 LTS 4.2.3~ds-2.1ubuntu0.1
  • netatalk Ubuntu Pro 14.04 LTS 2.2.2-1ubuntu2.2+esm3
  • netatalk Ubuntu Pro 16.04 LTS 2.2.5-1ubuntu0.2+esm3
  • netatalk Ubuntu Pro 18.04 LTS 2.2.6-1ubuntu0.18.04.2+esm3
  • netatalk Ubuntu Pro 20.04 LTS 3.1.12~ds-4ubuntu0.20.04.4+esm1
  • netatalk Ubuntu Pro 22.04 LTS 3.1.12~ds-9ubuntu0.22.04.4+esm1
  • netatalk Ubuntu Pro 24.04 LTS 3.1.18~ds-1ubuntu0.1~esm2

ubuntu advisories UBUNTU-CVE-2026-44060

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • netatalk Alpine 3.24 4.4.3-r0

alpine advisories ALPINE-CVE-2026-44060

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-44060 updated cvss 7.5

netatalk: Netatalk: Denial of Service via integer underflow

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
5 mo ago

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Netatalk Netatalk

Classification

Weakness
  • CWE-191 Integer Underflow (Wrap or Wraparound)

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.