9.8

CVE-2024-38439: netatalk Out-of-bounds Write

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2024-38439DEBIAN-CVE-2024-38439
Published 16-06-2024Last modified 03-11-2025
Open JSON

Vulnerability summary

CVE-2024-38439 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in netatalk. EPSS estimates a 0.93% chance of exploitation in the next 30 days, higher than 59.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.93%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 4 · Related 2
DLA-3968-1MGASA-2024-0259SUSE-SU-2024:2301-1USN-7347-1

Timeline

  1. 16-06-2024
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.93%

Chance of exploitation in the next 30 days

Percentile

60%

Versus all other CVEs

30-day change

0.00 pp

From 0.93% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.93%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Netatalk

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • netatalk< 3.1.18~ds-2
Netatalk1 product
  • netatalk≥ 2.0.0, < 2.4.1 | ≥ 3.0.0, < 3.1.19 | 3.2.0
Ubuntu1 product
  • netatalk< 2.2.2-1ubuntu2.2+esm2 | < 2.2.5-1ubuntu0.2+esm2 | < 2.2.6-1ubuntu0.18.04.2+esm2 | < 3.1.12~ds-4ubuntu0.20.04.4 | < 3.1.12~ds-9ubuntu0.22.04.4 | < 3.1.18~ds-1ubuntu0.1~esm1

3 vendors · 3 products

References

10 links