CVE-2026-22780
Rizin has a heap overflow on mach0_chained_fixups.c
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Rizin has a heap overflow on mach0_chained_fixups.c
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.
- Record
CVE-2026-22780- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L - Weakness
- CWE-770
- Updated
- 2026-11-02
EUVDEUVD-2026-5278
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.
- Record
EUVD-2026-5278- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L - Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-22780- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
OSV
Rizin has a heap overflow on mach0_chained_fixups.c
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.
- Record
CVE-2026-22780- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L - Weakness
- CWE-770
- Updated
- 2026-11-02
OSVopenSUSE-SU-2026:10141-1 No score
rizin-0.8.2-1.1 on GA media
These are all security issues fixed in the rizin-0.8.2-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:10141-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
rizinopenSUSE:Tumbleweed |
before 0.8.2-1.1 | 0.8.2-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-22780 is a medium vulnerability (CVSS 4.4) in Rizin, published February 2, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 10th percentile. Fixed in rizin 0.8.2-1.1.
References
github.com/rizinorg/rizin/security/advisories/GHSA-f3v7-xhmj-9cjj
nvd.nist.gov/vuln/detail/CVE-2026-22780
suse.com/security/cve/CVE-2026-22780