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TI-2026-18298 Aliases CVE-2026-22780

Rizin has a heap overflow on mach0_chained_fixups.c

Priority LOW 27CWE-770Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · Low · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-770.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00204 10th percentileScored 2026-11-07
Fix Fixed rizin (rizinorg): 0.8.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
rizinorgrizinbefore 0.8.20.8.2Patch availableCNA
  • rizin Vendorrizinorg Affected before 0.8.2 Fixed in 0.8.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:rizin:rizin:*:*:*:*:*:*:*:*before 0.8.2Vulnerablerizinorg
  • cpe:2.3:a:rizin:rizin:*:*:*:*:*:*:*:* Versions before 0.8.2 Vulnerable ·rizinorg

Remediation

  • Fix · CNA rizin (rizinorg) Fixed in 0.8.2

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-22780

References

Patch 3

Other 3

  • TI-2021-02614 Memory corruption in rizin CVSS 3.1HIGH 7.8
  • TI-2025-01540 rizinorg rizin utf8.c rz_utf8_encode heap-based overflow CVSS 4.0MEDIUM 4.8
  • TI-2025-01538 rizinorg rizin pdb.c msf_stream_directory_free buffer overflow CVSS 4.0MEDIUM 4.8
  • TI-2024-20906 rizin before v0.6.3 is vulnerable to Improper Neutralization of Special Elements via… CVSS 3.1CRITICAL 9.1
  • TI-2024-20907 rizin before Release v0.6.3 is vulnerable to Uncontrolled Resource Consumption via… CVSS 3.1HIGH 7.5
  • TI-2023-20912 Rizin vulnerable to Integer Overflow in C++ demangler logic CVSS 3.1HIGH 7.8
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences