CVE-2022-23121: debian debian_linux
Vulnerability summary
CVE-2022-23121 is a critical (CVSS 9.8) vulnerability in debian debian_linux. EPSS estimates a 8.59% chance of exploitation in the next 30 days, higher than 95% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 6 · Related 2Timeline
- 28-03-2023PublishedVulnerability first disclosed.
- 04-11-2025Last modifiedVulnerability information updated.
Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parse_entries function. The issue results from the lack of proper error handling when parsing AppleDouble entries. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15819.
CVSS metrics
6 scores · 4 sources · 2 versions- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
8.59%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
0.00 pp
From 8.59% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- netatalk< 3.1.13~ds-1
- debian_linuxEOL10.0 | 11.0
Netatalk1 product
- netatalk3.1.12 | < 3.1.13
Ubuntu1 product
- netatalk< 2.2.2-1ubuntu2.2+esm1 | < 2.2.5-1ubuntu0.2+esm1 | < 2.2.6-1ubuntu0.18.04.2+esm1 | < 3.1.12~ds-4ubuntu0.20.04.1 | < 3.1.12~ds-9ubuntu0.22.04.1
3 vendors · 4 products
References
13 links- netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.htmlRelease Notes
