7.5

CVE-2026-44049: netatalk Out-of-bounds Write

CVSS: 7.5v3.1HighDeferred
AliasesUBUNTU-CVE-2026-44049DEBIAN-CVE-2026-44049
Published 21-05-2026Last modified 22-05-2026
Open JSON

Vulnerability summary

CVE-2026-44049 is a high (CVSS 7.5) Out-of-bounds Write vulnerability in netatalk. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.4% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.56%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
USN-8395-1

Timeline

  1. 21-05-2026
    PublishedVulnerability first disclosed.
  2. 22-05-2026
    Last modifiedVulnerability information updated.

Description

An out-of-bounds write due to improper null termination in convert_charset() in Netatalk 2.0.4 through 4.4.2 allows a remote authenticated attacker to execute arbitrary code or cause a denial of service via crafted character data.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

+0.04 pp

From 0.52% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.56%

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
  • netatalk< 4.2.3~ds-1+deb13u2 | < 4.4.3~ds-1
Netatalk1 product
Ubuntu1 product
  • netatalk< 2.2.2-1ubuntu2.2+esm3 | < 2.2.5-1ubuntu0.2+esm3 | < 2.2.6-1ubuntu0.18.04.2+esm3 | < 3.1.12~ds-4ubuntu0.20.04.4+esm1 | < 3.1.12~ds-9ubuntu0.22.04.4+esm1 | < 3.1.18~ds-1ubuntu0.1~esm2 | All versions (No fix recorded) | < 4.2.3~ds-2.1ubuntu0.1

3 vendors · 3 products

References

5 links