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CVE-2026-44068

EA path traversal via incomplete sanitization

7.6 HighFix available

Incomplete sanitization of extended attribute (EA) path components in Netatalk 2.1.0 through 4.4.2 allows a remote authenticated attacker to write to files outside the intended metadata namespace via crafted EA names.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
High
Availability
Low

Exploit likelihood

0.32%Up 0.2 points since May 21, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.6

EA path traversal via incomplete sanitization

Incomplete sanitization of extended attribute (EA) path components in Netatalk 2.1.0 through 4.4.2 allows a remote authenticated attacker to write to files outside the intended metadata namespace via crafted EA names.

Record
CVE-2026-44068
CVSS 3.1
7.6 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
Weakness
CWE-22
Updated
2026-11-02
EUVDEUVD-2026-31215 7.6

Incomplete sanitization of extended attribute (EA) path components in Netatalk 2.1.0 through 4.4.2 allows a remote authenticated attacker to write to files outside the intended metadata namespace via crafted EA names.

Record
EUVD-2026-31215
CVSS 3.1
7.6 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-qv8r-66p7-3q68 7.6

Incomplete sanitization of extended attribute (EA) path components in Netatalk 2.1.0 through 4.4...

Incomplete sanitization of extended attribute (EA) path components in Netatalk 2.1.0 through 4.4.2 allows a remote authenticated attacker to write to files outside the intended metadata namespace via crafted EA names.

Record
GHSA-qv8r-66p7-3q68
CVSS 3.1
7.6 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
Weakness
CWE-22
Updated
2026-11-02
NVD 7.6

Incomplete sanitization of extended attribute (EA) path components in Netatalk 2.1.0 through 4.4.2 allows a remote authenticated attacker to write to files outside the intended metadata namespace via crafted EA names.

Record
CVE-2026-44068
CVSS 3.1
7.6 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
Weakness
CWE-22
Updated
2026-11-02
OSVDEBIAN-CVE-2026-44068 7.6

Incomplete sanitization of extended attribute (EA) path components in Netatalk 2.1.0 through 4.4.2 allows a remote authenticated attacker to write to files outside the intended metadata namespace via crafted EA names.

Record
DEBIAN-CVE-2026-44068
CVSS 3.1
7.6 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
Updated
2026-11-02
OSVUBUNTU-CVE-2026-44068 7.6

Incomplete sanitization of extended attribute (EA) path components in Netatalk 2.1.0 through 4.4.2 allows a remote authenticated attacker to write to files outside the intended metadata namespace via crafted EA names.

Record
UBUNTU-CVE-2026-44068
CVSS 3.1
7.6 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
Updated
2026-11-02
OSVUSN-8455-1 No score

netatalk vulnerabilities

Arjun Basnet discovered that Netatalk improperly validated inputs when unmarshalling Spotlight Remote Procedure Call. A remote authenticated attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-44066)

Arjun Basnet discovered that Netatalk improperly sanitized extended attribute path components. A remote authenticated attacker could possibly use this issue to perform path traversal attacks and write to arbitrary files outside the intended metadata directory. (CVE-2026-44068)

Record
USN-8455-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
netatalk
Debian:13
 before 4.2.3~ds-1+deb13u2, plus listed versions
4.2.3~ds-14.2.3~ds-1+deb13u1
4.2.3~ds-1+deb13u2
netatalk
Debian:14
 before 4.4.3~ds-1, plus listed versions
4.2.3~ds-14.2.3~ds-24.2.3~ds-2.14.4.1~ds-14.4.2~ds-1
4.4.3~ds-1
netatalk
Ubuntu:Pro:14.04:LTS
 before 2.2.2-1ubuntu2.2+esm4, plus listed versions
2.2.2-1ubuntu12.2.2-1ubuntu22.2.2-1ubuntu2.22.2.2-1ubuntu2.2+esm12.2.2-1ubuntu2.2+esm22.2.2-1ubuntu2.2+esm3
2.2.2-1ubuntu2.2+esm4
netatalk
Ubuntu:Pro:16.04:LTS
 before 2.2.5-1ubuntu0.2+esm4, plus listed versions
2.2.5-12.2.5-1ubuntu0.22.2.5-1ubuntu0.2+esm12.2.5-1ubuntu0.2+esm22.2.5-1ubuntu0.2+esm3
2.2.5-1ubuntu0.2+esm4
netatalk
Ubuntu:Pro:18.04:LTS
 before 2.2.6-1ubuntu0.18.04.2+esm4, plus listed versions
2.2.6-12.2.6-1ubuntu0.18.04.22.2.6-1ubuntu0.18.04.2+esm12.2.6-1ubuntu0.18.04.2+esm22.2.6-1ubuntu0.18.04.2+esm3
2.2.6-1ubuntu0.18.04.2+esm4
netatalk
Ubuntu:Pro:20.04:LTS
 before 3.1.12~ds-4ubuntu0.20.04.4+esm2, plus listed versions
3.1.12~ds-33.1.12~ds-43.1.12~ds-4ubuntu0.20.04.13.1.12~ds-4ubuntu0.20.04.33.1.12~ds-4ubuntu0.20.04.3+esm13.1.12~ds-4ubuntu0.20.04.43.1.12~ds-4ubuntu0.20.04.4+esm1
3.1.12~ds-4ubuntu0.20.04.4+esm2
netatalk
Ubuntu:Pro:22.04:LTS
 before 3.1.12~ds-9ubuntu0.22.04.4+esm2, plus listed versions
3.1.12~ds-93.1.12~ds-9build13.1.12~ds-9ubuntu0.22.04.13.1.12~ds-9ubuntu0.22.04.33.1.12~ds-9ubuntu0.22.04.3+esm13.1.12~ds-9ubuntu0.22.04.43.1.12~ds-9ubuntu0.22.04.4+esm1
3.1.12~ds-9ubuntu0.22.04.4+esm2
netatalk
Ubuntu:Pro:24.04:LTS
 before 3.1.18~ds-1ubuntu0.1~esm3, plus listed versions
3.1.15~ds-1ubuntu13.1.18~ds-13.1.18~ds-1build23.1.18~ds-1build43.1.18~ds-1ubuntu0.1~esm13.1.18~ds-1ubuntu0.1~esm2
3.1.18~ds-1ubuntu0.1~esm3
netatalk
Ubuntu:25.10
 All versions, plus listed versions
4.1.2~ds-44.2.1~ds-14.2.3~ds-1
 None known
netatalk
Ubuntu:26.04:LTS
 before 4.2.3~ds-2.1ubuntu0.2, plus listed versions
4.2.3~ds-14.2.3~ds-24.2.3~ds-2.14.2.3~ds-2.1ubuntu0.1
4.2.3~ds-2.1ubuntu0.2
Show 7 moreShow less
Affected packages
PackageAffectedFixed
netatalk
Ubuntu:Pro:14.04:LTS
From an advisory covering 2 CVEs
 before 2.2.2-1ubuntu2.2+esm4, plus listed versions
2.2.2-1ubuntu12.2.2-1ubuntu22.2.2-1ubuntu2.22.2.2-1ubuntu2.2+esm12.2.2-1ubuntu2.2+esm22.2.2-1ubuntu2.2+esm3
2.2.2-1ubuntu2.2+esm4
netatalk
Ubuntu:Pro:16.04:LTS
From an advisory covering 2 CVEs
 before 2.2.5-1ubuntu0.2+esm4, plus listed versions
2.2.5-12.2.5-1ubuntu0.22.2.5-1ubuntu0.2+esm12.2.5-1ubuntu0.2+esm22.2.5-1ubuntu0.2+esm3
2.2.5-1ubuntu0.2+esm4
netatalk
Ubuntu:Pro:18.04:LTS
From an advisory covering 2 CVEs
 before 2.2.6-1ubuntu0.18.04.2+esm4, plus listed versions
2.2.6-12.2.6-1ubuntu0.18.04.22.2.6-1ubuntu0.18.04.2+esm12.2.6-1ubuntu0.18.04.2+esm22.2.6-1ubuntu0.18.04.2+esm3
2.2.6-1ubuntu0.18.04.2+esm4
netatalk
Ubuntu:Pro:20.04:LTS
From an advisory covering 2 CVEs
 before 3.1.12~ds-4ubuntu0.20.04.4+esm2, plus listed versions
3.1.12~ds-33.1.12~ds-43.1.12~ds-4ubuntu0.20.04.13.1.12~ds-4ubuntu0.20.04.33.1.12~ds-4ubuntu0.20.04.3+esm13.1.12~ds-4ubuntu0.20.04.43.1.12~ds-4ubuntu0.20.04.4+esm1
3.1.12~ds-4ubuntu0.20.04.4+esm2
netatalk
Ubuntu:Pro:22.04:LTS
From an advisory covering 2 CVEs
 before 3.1.12~ds-9ubuntu0.22.04.4+esm2, plus listed versions
3.1.12~ds-93.1.12~ds-9build13.1.12~ds-9ubuntu0.22.04.13.1.12~ds-9ubuntu0.22.04.33.1.12~ds-9ubuntu0.22.04.3+esm13.1.12~ds-9ubuntu0.22.04.43.1.12~ds-9ubuntu0.22.04.4+esm1
3.1.12~ds-9ubuntu0.22.04.4+esm2
netatalk
Ubuntu:Pro:24.04:LTS
From an advisory covering 2 CVEs
 before 3.1.18~ds-1ubuntu0.1~esm3, plus listed versions
3.1.15~ds-1ubuntu13.1.18~ds-13.1.18~ds-1build23.1.18~ds-1build43.1.18~ds-1ubuntu0.1~esm13.1.18~ds-1ubuntu0.1~esm2
3.1.18~ds-1ubuntu0.1~esm3
netatalk
Ubuntu:26.04:LTS
From an advisory covering 2 CVEs
 before 4.2.3~ds-2.1ubuntu0.2, plus listed versions
4.2.3~ds-14.2.3~ds-24.2.3~ds-2.14.2.3~ds-2.1ubuntu0.1
4.2.3~ds-2.1ubuntu0.2

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-44068 is a high vulnerability (CVSS 7.6) in Netatalk, published May 21, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 25th percentile. Fixed in netatalk 4.2.3~ds-1+deb13u2.

References

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