CVE-2026-7837

EUVD-2026-31245
A time-of-check time-of-use (TOCTOU) condition in the ad_flush function in Netatalk 3.0.0 through 4.4.2 involves root-privileged file operations, which may allow a remote attacker to cause limited data modification under specific race conditions.
TOCTOU
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
securinCNA
3.7 LOW
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 14%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
netatalknetatalk
3.0.0 ≤
𝑥
≤ 4.4.2
CNA
Debian logo
Debian Releases
Debian Product
Codename
netatalk
bullseye
unimportant
bullseye (security)
unimportant
forky
4.5.0~ds-3
fixed
sid
4.5.0~ds-3
fixed
trixie
unimportant
trixie (security)
unimportant
Common Weakness Enumeration
References
https://netatalk.io/security/CVE-2026-7837