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CVE-2026-44064

ASP session ID out-of-bounds access

7.1 HighFix available

An out-of-bounds read in ASP session ID handling in Netatalk 1.3 through 4.4.2 allows an adjacent network attacker to obtain limited information or cause a denial of service via a crafted ASP request.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
High

Exploit likelihood

0.17%Up 0.2 points since May 21, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.1

ASP session ID out-of-bounds access

An out-of-bounds read in ASP session ID handling in Netatalk 1.3 through 4.4.2 allows an adjacent network attacker to obtain limited information or cause a denial of service via a crafted ASP request.

Record
CVE-2026-44064
CVSS 3.1
7.1 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
EUVDEUVD-2026-31240 7.1

An out-of-bounds read in ASP session ID handling in Netatalk 1.3 through 4.4.2 allows an adjacent network attacker to obtain limited information or cause a denial of service via a crafted ASP request.

Record
EUVD-2026-31240
CVSS 3.1
7.1 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-4pvp-5874-59c5 7.1

An out-of-bounds read in ASP session ID handling in Netatalk 1.3 through 4.4.2 allows an adjacent...

An out-of-bounds read in ASP session ID handling in Netatalk 1.3 through 4.4.2 allows an adjacent network attacker to obtain limited information or cause a denial of service via a crafted ASP request.

Record
GHSA-4pvp-5874-59c5
CVSS 3.1
7.1 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
NVD 7.1

An out-of-bounds read in ASP session ID handling in Netatalk 1.3 through 4.4.2 allows an adjacent network attacker to obtain limited information or cause a denial of service via a crafted ASP request.

Record
CVE-2026-44064
CVSS 3.1
7.1 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
OSVALPINE-CVE-2026-44064 7.1

An out-of-bounds read in ASP session ID handling in Netatalk 1.3 through 4.4.2 allows an adjacent network attacker to obtain limited information or cause a denial of service via a crafted ASP request.

Record
ALPINE-CVE-2026-44064
CVSS 3.1
7.1 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Updated
2026-11-03
OSVDEBIAN-CVE-2026-44064 7.1

An out-of-bounds read in ASP session ID handling in Netatalk 1.3 through 4.4.2 allows an adjacent network attacker to obtain limited information or cause a denial of service via a crafted ASP request.

Record
DEBIAN-CVE-2026-44064
CVSS 3.1
7.1 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2026-44064 7.1

An out-of-bounds read in ASP session ID handling in Netatalk 1.3 through 4.4.2 allows an adjacent network attacker to obtain limited information or cause a denial of service via a crafted ASP request.

Record
UBUNTU-CVE-2026-44064
CVSS 3.1
7.1 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Updated
2026-11-02
OSVUSN-8395-1 No score

netatalk vulnerabilities

Arjun Basnet discovered that Netatalk incorrectly sanitized user input in its MySQL CNID backend. A remote authenticated attacker could possibly use this issue to conduct SQL injection attacks. (CVE-2026-44047)

Arjun Basnet discovered that Netatalk incorrectly handled UCS-2 character set conversion. A remote authenticated attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-44048)

Arjun Basnet discovered that Netatalk improperly handled null termination during character set conversion. A remote authenticated attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-44049)

Arjun Basnet discovered that the Netatalk CNID daemon improperly handled request-supplied name lengths. A local attacker could possibly use this issue to cause a denial of service or execute arbitrary code with escalated privileges. (CVE-2026-44050)

Arjun Basnet discovered that Netatalk improperly resolved symbolic links. A remote authenticated attacker could possibly use this issue to read or overwrite arbitrary files on the system. (CVE-2026-44051)

Arjun Basnet discovered that Netatalk incorrectly handled logging when performing LDAP simple-bind operations. A local attacker could possibly use this issue to obtain sensitive information. (CVE-2026-44052)

Arjun Basnet discovered that Netatalk contained an operator precedence logic error when processing input. A remote authenticated attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-44055)

Arjun Basnet discovered that Netatalk incorrectly handled DSI write requests. A remote unauthenticated attacker could possibly use this issue to cause a denial of service. (CVE-2026-44060)

Arjun Basnet discovered that Netatalk incorrectly validated output lengths when converting character sets. A remote authenticated attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-44062)

Arjun Basnet discovered that Netatalk incorrectly handled length validation when parsing certain session identifiers. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-44064)

Record
USN-8395-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
netatalk
Alpine:v3.24
before 4.4.3-r0
4.4.3-r0
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: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-2.1ubuntu0.1, plus listed versions
4.2.3~ds-14.2.3~ds-24.2.3~ds-2.1
4.2.3~ds-2.1ubuntu0.1
netatalk
Ubuntu:Pro:14.04:LTS
From an advisory covering 10 CVEs
before 2.2.2-1ubuntu2.2+esm3, plus listed versions
2.2.2-1ubuntu12.2.2-1ubuntu22.2.2-1ubuntu2.22.2.2-1ubuntu2.2+esm12.2.2-1ubuntu2.2+esm2
2.2.2-1ubuntu2.2+esm3
netatalk
Ubuntu:Pro:16.04:LTS
From an advisory covering 10 CVEs
before 2.2.5-1ubuntu0.2+esm3, plus listed versions
2.2.5-12.2.5-1ubuntu0.22.2.5-1ubuntu0.2+esm12.2.5-1ubuntu0.2+esm2
2.2.5-1ubuntu0.2+esm3
netatalk
Ubuntu:Pro:18.04:LTS
From an advisory covering 10 CVEs
before 2.2.6-1ubuntu0.18.04.2+esm3, 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+esm2
2.2.6-1ubuntu0.18.04.2+esm3
netatalk
Ubuntu:Pro:20.04:LTS
From an advisory covering 10 CVEs
before 3.1.12~ds-4ubuntu0.20.04.4+esm1, 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-4ubuntu0.20.04.4
3.1.12~ds-4ubuntu0.20.04.4+esm1
netatalk
Ubuntu:Pro:22.04:LTS
From an advisory covering 10 CVEs
before 3.1.12~ds-9ubuntu0.22.04.4+esm1, 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-9ubuntu0.22.04.4
3.1.12~ds-9ubuntu0.22.04.4+esm1
netatalk
Ubuntu:Pro:24.04:LTS
From an advisory covering 10 CVEs
before 3.1.18~ds-1ubuntu0.1~esm2, 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~esm1
3.1.18~ds-1ubuntu0.1~esm2
netatalk
Ubuntu:26.04:LTS
From an advisory covering 10 CVEs
before 4.2.3~ds-2.1ubuntu0.1, plus listed versions
4.2.3~ds-14.2.3~ds-24.2.3~ds-2.1
4.2.3~ds-2.1ubuntu0.1

History

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

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

In short

CVE-2026-44064 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 0.17%, the 6th percentile. Fixed in netatalk 4.4.3-r0.

References

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