CVE-2022-23123: debian debian_linux Out-of-bounds Read
Vulnerability summary
CVE-2022-23123 is a critical (CVSS 9.8) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 3.82% chance of exploitation in the next 30 days, higher than 89.9% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 4 · Related 1Timeline
- 28-03-2023PublishedVulnerability first disclosed.
- 04-11-2025Last modifiedVulnerability information updated.
Description
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within the getdirparams method. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-15830.
CVSS metrics
6 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVDNIST5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
3.82%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
-0.03 pp
From 3.85% 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