CVE-2026-44065: netatalk Off-by-one Error
CVSS: 4.2v3.1MediumDeferred
AliasesUBUNTU-CVE-2026-44065DEBIAN-CVE-2026-44065
Published 21-05-2026Last modified 21-05-2026
Vulnerability summary
CVE-2026-44065 is a medium (CVSS 4.2) Off-by-one Error vulnerability in netatalk. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.6% of scored vulnerabilities.
CVSS score
4.2/10
010
Medium · v3.1 (NVD)EPSS score
0.19%
0%100%
Low · +0.07 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 21-05-2026PublishedVulnerability first disclosed.
- 21-05-2026Last modifiedVulnerability information updated.
Description
An off-by-two error in lp_write() in papd in Netatalk 2.0.0 through 4.4.2 allows an adjacent network attacker to modify limited data or cause a minor service disruption via crafted print data.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 4.2Preferred score · NVD (NIST)
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:LSources4 sources · 3.7–4.2
- CVE.orgCNA3.7LowCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated4.2MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
- OSV · DebianEcosystem advisory · calculated4.2MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
EPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
9%
Versus all other CVEs
30-day change
+0.07 pp
From 0.13% on 20-09-2026
20-09-202620-10-2026
EPSS score0.19%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- netatalkAll versions (No fix recorded) | < 4.5.0~ds-1
Netatalk1 product
- netatalk≥ 2.0.0, ≤ 4.4.2
Ubuntu1 product
- netatalkAll versions (No fix recorded)
3 vendors · 3 products