NationalSecurityAgency Ghidra up to 12.1.4 Decompiler leftshift128 out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.37+

Summaryinfo

A vulnerability was found in NationalSecurityAgency Ghidra up to 12.1.4 and classified as problematic. Affected by this vulnerability is the function leftshift128 of the component Decompiler. Such manipulation leads to out-of-bounds write. This vulnerability is listed as CVE-2026-100504. The attack must be carried out locally. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in NationalSecurityAgency Ghidra up to 12.1.4. It has been rated as problematic. Affected by this issue is the function leftshift128 of the component Decompiler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Ghidra versions through 12.1.4 contain a stack-based out-of-bounds write vulnerability in the decompiler's leftshift128 function when processing negative shift amounts from p-code. Attackers can craft malicious binaries with specific instruction sequences that trigger the overflow when decompiled, corrupting memory and potentially achieving code execution.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-100504 since 09/26/2026. The exploitation is known to be easy. Local access is required to approach this attack. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

Applying the patch 6babe3c1cec7f5ec920dd16cdc86a02893e5b33c is able to eliminate this problem.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.0
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 6babe3c1cec7f5ec920dd16cdc86a02893e5b33c

Timelineinfo

09/26/2026 Advisory disclosed
09/26/2026 +0 days CVE reserved
09/26/2026 +0 days VulDB entry created
09/26/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-100504 (🔒)
GCVE (CVE): GCVE-0-2026-100504
GCVE (VulDB): GCVE-100-410498

Entryinfo

Created: 09/26/2026 03:21
Changes: 09/26/2026 03:21 (77)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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