CVE-2026-44066
Heap out-of-bounds reads in Spotlight RPC unmarshalling
Multiple heap out-of-bounds reads in the Spotlight RPC unmarshalling code in Netatalk 3.1.0 through 4.4.2 allow a remote authenticated attacker to obtain sensitive information or cause a minor service disruption.
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
- High
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Heap out-of-bounds reads in Spotlight RPC unmarshalling
Multiple heap out-of-bounds reads in the Spotlight RPC unmarshalling code in Netatalk 3.1.0 through 4.4.2 allow a remote authenticated attacker to obtain sensitive information or cause a minor service disruption.
- Record
CVE-2026-44066- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L - Weakness
- CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2026-31212
Multiple heap out-of-bounds reads in the Spotlight RPC unmarshalling code in Netatalk 3.1.0 through 4.4.2 allow a remote authenticated attacker to obtain sensitive information or cause a minor service disruption.
- Record
EUVD-2026-31212- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-93hj-5v8r-h26w
Multiple heap out-of-bounds reads in the Spotlight RPC unmarshalling code in Netatalk 3.1.0...
Multiple heap out-of-bounds reads in the Spotlight RPC unmarshalling code in Netatalk 3.1.0 through 4.4.2 allow a remote authenticated attacker to obtain sensitive information or cause a minor service disruption.
- Record
GHSA-93hj-5v8r-h26w- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
Multiple heap out-of-bounds reads in the Spotlight RPC unmarshalling code in Netatalk 3.1.0 through 4.4.2 allow a remote authenticated attacker to obtain sensitive information or cause a minor service disruption.
- Record
CVE-2026-44066- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L - Weakness
- CWE-125
- Updated
- 2026-11-02
OSVALPINE-CVE-2026-44066
Multiple heap out-of-bounds reads in the Spotlight RPC unmarshalling code in Netatalk 3.1.0 through 4.4.2 allow a remote authenticated attacker to obtain sensitive information or cause a minor service disruption.
- Record
ALPINE-CVE-2026-44066- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L - Updated
- 2026-11-03
OSVDEBIAN-CVE-2026-44066
Multiple heap out-of-bounds reads in the Spotlight RPC unmarshalling code in Netatalk 3.1.0 through 4.4.2 allow a remote authenticated attacker to obtain sensitive information or cause a minor service disruption.
- Record
DEBIAN-CVE-2026-44066- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L - Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-44066
Multiple heap out-of-bounds reads in the Spotlight RPC unmarshalling code in Netatalk 3.1.0 through 4.4.2 allow a remote authenticated attacker to obtain sensitive information or cause a minor service disruption.
- Record
UBUNTU-CVE-2026-44066- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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
| Package | Affected | Fixed |
|---|---|---|
netatalkAlpine:v3.24 |
before 4.4.3-r0 | 4.4.3-r0 |
netatalkDebian: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 |
netatalkDebian: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 |
netatalkUbuntu: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 |
netatalkUbuntu: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 |
netatalkUbuntu: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 |
netatalkUbuntu:25.10 |
All versions, plus listed versions 4.1.2~ds-44.2.1~ds-14.2.3~ds-1 |
None known |
netatalkUbuntu: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 |
netatalkUbuntu: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 |
netatalkUbuntu: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 |
Show 5 moreShow less
| Package | Affected | Fixed |
|---|---|---|
netatalkUbuntu: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 |
netatalkUbuntu: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 |
netatalkUbuntu: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 |
netatalkUbuntu: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 |
netatalkUbuntu: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
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected, aliases, references | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-44066 is a high vulnerability (CVSS 7.1) in Netatalk, published May 21, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. Fixed in netatalk 4.4.3-r0.
References
netatalk.io/security/CVE-2026-44066
nvd.nist.gov/vuln/detail/CVE-2026-44066
github.com/advisories/GHSA-93hj-5v8r-h26w
security.alpinelinux.org/vuln/CVE-2026-44066
security-tracker.debian.org/tracker/CVE-2026-44066
ubuntu.com/security/CVE-2026-44066
cve.org/CVERecord?id=CVE-2026-44066