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Fencer Vulns
medium 6.7

CVE-2026-6424 json

Use-after-free vulnerability in ESET security products for Linux

published 2026-07-16 3 mo ago modified 2026-07-16 3 mo ago also EUVD-2026-44903

cvss
6.7
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits
0
none known

Summary

Use-after-free vulnerability in ESET Linux products potentially allowed an attacker to trigger kernel panic on the system

Patch / fix

  • ESET, spol. s.r.o. ESET Endpoint Antivirus for Linux 12.0.14.0, 12.1.2.0, 12.2.9.0, 13.0.5.0, 13.1.5.0, 13.2.3.0
  • ESET, spol. s.r.o. ESET Server Security for Linux 12.0.292.0, 12.1.407.0, 12.2.73.0, 13.0.36.0, 13.1.118.0, 13.2.53.0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
3 mo ago

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 6.7 CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CNA 4.0 6.7 CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • ESET, spol. s.r.o. ESET Endpoint Antivirus for Linux
  • ESET, spol. s.r.o. ESET Server Security for Linux

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.