Vulnerability · Published Oct 24, 2026 · Assigned by VulnCheck

CVE-2026-116012Ghidra before 12.2 Integer Truncation in PackedDecode::skipAttribute Decompiler Parser

Low 3.6

In plain English

A low-severity security flaw in ghidra from NationalSecurityAgency. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)3.6Low

Exploit odds (30 days)0.2%top 88.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack tooling1Public PoC

Official description

Ghidra before 12.2 contains a numeric truncation vulnerability in PackedDecode::skipAttribute and skipAttributeRemaining in marshal.cc that stores 64-bit string lengths in 32-bit variables. Attackers can supply a crafted packed stream, such as a malicious .sla file, to inject attributes into the decompiler's input or crash the decompiler process.

Affected products (as reported)

Vendor	Product	Versions
NationalSecurityAgency	ghidra	0 – before 12.2

Weakness: CWE-197 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L

References

GitHub Security Advisory (GHSA-v423-5vh7-c7jw) vendor-advisory
https://github.com/NationalSecurityAgency/ghidra/commit/d105789b331dba84ad73ab92db890e38fe665be0 patch
ghidra Ghidra_12.2_build Release Notes release-notes
https://github.com/NationalSecurityAgency/ghidra/blob/Ghidra_12.1.4_build/Ghidra/Features/Decompiler/src/decompile/cpp/marshal.cc#L641-L671 technical-description
VulnCheck Advisory: Ghidra before 12.2 Integer Truncation in PackedDecode::skipAttribute Decompiler Parser third-party-advisory