CVE-2026-6244CWE-369

CVE-2026-6244

Medium · published September 5, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
0.9
In the wild
Unconfirmed
What it is

libpcap BPF interpreter for the 'div #k' and 'mod #k' ALU instructions does not check whether the immediate value is zero. In particular uncommon use cases a crafted filter program can cause a division by zero.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00098 · 0.9th percentile
Weakness
CWE-369 · Divide By Zero
Published
2026-09-05T23:16Z
References (1)
EPSS history
Timeline
  • 07 SEP 03:35Z
    EPSS moved — → 0%
    epss
  • 05 SEP 18:50Z
    division by zero in libpcap before 1.10.7
    cvelistv5