Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
nationalsecurityagency ghidra — Ghidra < 12.1 - Heap-Use-After-Free in SleighBuilder::generatePointerAdd via Vector Reallocation
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
L L N N P N L H 6.9 .0017 6.7 —
AFFECTED
Product Versions Fixed
ghidra unspecified 12.1
TIMELINE
May 31 Reserved by VulnCheck
Jun 10 EXPLOIT PUBLISHED — CVE-2026-49496 (nationalsecurityagency ghidra). Public exploit reference added.
Jun 10 Published (CNA: VulnCheck)
Description
Ghidra before 12.1 contains a heap-use-after-free vulnerability in SleighBuilder::generatePointerAdd caused by iterator invalidation when PcodeCacher::allocateInstruction reallocates the issued vector. Attackers can trigger memory corruption by decompiling malicious binaries through the public Sleigh::oneInstruction C++ API, affecting downstream SLEIGH library consumers.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| May 31, 2026 | Reserved | Reserved by VulnCheck |
| June 10, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-49496 (nationalsecurityagency ghidra). Public exploit reference added. |
| June 10, 2026 | Published | Published (CNA: VulnCheck) |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| nationalsecurityagency | ghidra | — | — | 12.1 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-49496 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.