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CVE-2024-38439

27
FAUCET Score

CVE-2024-38439 is a critical heap-based buffer overflow vulnerability in Netatalk versions prior to 3.2.1, 2.4.1, and 3.1.19, stemming from an off-by-one error in the FPLoginExt function. This flaw carries a CVSS score of 9.8 (CRITICAL), indicating it is easily exploitable over the network with no user interaction, potentially leading to complete compromise of confidentiality, integrity, and availability. While the vulnerability is severe, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0, < 2.4.1CPE matchmatch criteria
cpe:2.3:a:netatalk:netatalk:*:*:*:*:*:*:*:*
>= 3.0.0, < 3.1.19CPE matchmatch criteria
cpe:2.3:a:netatalk:netatalk:*:*:*:*:*:*:*:*
3.2.0CPE matchmatch criteria
cpe:2.3:a:netatalk:netatalk:3.2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.93%
Probability of exploitation in next 30 days
EPSS Percentile
57.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0093 is in the 42nd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

githubpatch availablevia llm_extracted
View patch
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

githubllm-github-fba9b0b14ff45e60HIGH

AS-2024-006: Netatalk

Sep 27, 2024

References

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