SB2026092346 - Multiple vulnerabilities in Ghidra

Description

This security bulletin contains information about 2 vulnerabilities.

1) Uncontrolled Recursion (CVE-ID: N/A)

CWE-ID: CWE-674 - Uncontrolled Recursion

CVSSv4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to uncontrolled recursion in PEx64UnwindInfo.readUnwindInfo() when parsing cyclic x64 chained-unwind metadata. A remote attacker can provide a crafted PE32+ file for import to cause a denial of service.

User interaction is required to import the crafted file. Ghidra does not execute the PE while parsing it.

2) Improper Validation of Array Index (CVE-ID: CVE-2026-96273)

CWE-ID: CWE-129 - Improper Validation of Array Index

CVSSv4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to improper array index validation in the DB unregistered options parsing function when importing a crafted file. A remote attacker can trick a victim into importing a crafted file to cause a denial of service.

Remediation

Install update from vendor's website.

References

• https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-vxmq-6v38-hgf6
• https://github.com/NationalSecurityAgency/ghidra/commit/e44be6f91fd160ac6b469f6a4d2ae066959b6215
• https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-4w7g-wmg8-fgv5