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Vulnerability record · CVE-2024-38439 · published 16 June 2024

CVE-2024-38439: Netatalk out-of-bounds write vulnerability

Netatalk · Netatalk

Netatalk before 3.2.1 has an off-by-one error and resultant heap-based buffer overflow because of setting ibuf[PASSWDLEN] to '\0' in FPLoginExt in login in etc/uams/uams_pam.c. 2.4.1 and 3.1.19 are also fixed versions.

9.8 CVSS 3.1 Critical EPSS 0.93% · top 40.9% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score
0.93%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
9References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Netatalk before 3.2.1 has an off-by-one error and resultant heap-based buffer overflow because of setting ibuf[PASSWDLEN] to '\0' in FPLoginExt in login in etc/uams/uams_pam.c. 2.4.1 and 3.1.19 are also fixed versions.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Netatalk/netatalk/blob/90d91a9ac9a7d6132ab7620d31c8c23400949206/etc/uams/uams_pam.c#L316 Product
https://github.com/Netatalk/netatalk/issues/1096 Broken LinkNot Applicable
https://github.com/Netatalk/netatalk/security/advisories/GHSA-8r68-857c-4rqc ExploitVendor Advisory
https://netatalk.io/security/CVE-2024-38439 PatchVendor Advisory
https://github.com/Netatalk/netatalk/blob/90d91a9ac9a7d6132ab7620d31c8c23400949206/etc/uams/uams_pam.c#L316 Product
https://github.com/Netatalk/netatalk/issues/1096 Broken LinkNot Applicable
https://github.com/Netatalk/netatalk/security/advisories/GHSA-8r68-857c-4rqc ExploitVendor Advisory
https://lists.debian.org/debian-lts-announce/2024/11/msg00026.html
https://netatalk.io/security/CVE-2024-38439 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-38441Netatalk vulnerabilityNetatalk before 3.2.1 has an off-by-one error and resultant heap-based buffer overflow because of setting ibuf[len] to '\0' in FPMapName in afp_mapna…EPSS 0.92%9.8CVE-2023-42464Netatalk type confusion vulnerabilityA Type Confusion vulnerability was found in the Spotlight RPC functions in afpd in Netatalk 3.1.x before 3.1.17. When parsing Spotlight RPC packets, …EPSS 2.1%9.8CVE-2022-43634Netatalk heap-based buffer overflow vulnerabilityThis vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit…EPSS 19%9.8CVE-2022-23121Netatalk vulnerabilityThis vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit…EPSS 8.6%9.8CVE-2022-23122Netatalk stack-based buffer overflow vulnerabilityThis vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit…EPSS 4.4%9.8CVE-2022-23123Netatalk out-of-bounds read vulnerabilityThis vulnerability allows remote attackers to disclose sensitive information on affected installations of Netatalk. Authentication is not required to…EPSS 3.8%9.8CVE-2022-23124Netatalk out-of-bounds read vulnerabilityThis vulnerability allows remote attackers to disclose sensitive information on affected installations of Netatalk. Authentication is not required to…EPSS 2.8%9.8CVE-2022-23125Netatalk stack-based buffer overflow vulnerabilityThis vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit…EPSS 4.4%

Source: NIST National Vulnerability Database (record CVE-2024-38439), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.