CVE-2026-88832CWE-787

CVE-2026-88832

High · published September 23, 2026

CVSS v3.1
7.3
EPSS
0%
Percentile
2.1
In the wild
Unconfirmed
What it is

BusyBox romfs volume ID parsing uses unbounded strlen on attacker-controlled metadata, causing a heap buffer overflow when processing crafted filesystem images.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00127 · 2.1th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-09-23T21:17Z
References (3)
EPSS history
Timeline
  • 25 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 23 SEP 17:05Z
    Busybox: busybox: romfs volume id parsing performs unbounded memcpy into fixed-size label buffer, causing heap overflow
    cvelistv5