5

CVE-2026-44073: netatalk Improper Check for Dropped Privileges

CVSS: 5.0v3.1MediumDeferred
AliasesUBUNTU-CVE-2026-44073DEBIAN-CVE-2026-44073
Published 21-05-2026Last modified 21-05-2026
Open JSON

Vulnerability summary

CVE-2026-44073 is a medium (CVSS 5.0) Improper Check for Dropped Privileges vulnerability in netatalk. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.9% of scored vulnerabilities.

Overall risk
20/100
0100
Low · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v3.1 (NVD)
EPSS score
0.30%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-05-2026
    PublishedVulnerability first disclosed.
  2. 21-05-2026
    Last modifiedVulnerability information updated.

Description

Authentication modules in Netatalk 1.5.0 through 4.4.2 fail to check the return value of seteuid(), which may allow a remote authenticated attacker to retain elevated privileges under error conditions.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.30%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

+0.03 pp

From 0.28% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.30%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • netatalkAll versions (No fix recorded) | < 4.5.0~ds-1
Netatalk1 product
Ubuntu1 product
  • netatalkAll versions (No fix recorded)

3 vendors · 3 products

References

4 links