CVE-2026-22780CWE-770

Rizin has a heap overflow on mach0_chained_fixups.c

Medium · published February 2, 2026

CVSS v3.1
4.4
EPSS
0%
Percentile
10.2
In the wild
Unconfirmed
What it is

Rizin is a UNIX-like reverse engineering framework and command-line toolset. Prior to 0.8.2, a heap overflow can be exploited when a malicious mach0 file, having bogus entries for the dyld chained segments, is parsed by rizin. This vulnerability is fixed in 0.8.2.

The record
Technical detail
CVSS v3.1
4.4 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00207 · 10.2th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-02-02T20:52Z
EPSS history
Timeline
  • 02 FEB 20:52Z
    Rizin has a heap overflow on mach0_chained_fixups.c
    cvelistv5