CVE-2026-52757
MEDIUM Exploitation: PoC
4.4
CVSS 3.1
Description
Ghidra before 12.1 contains a heap-use-after-free vulnerability in the decompiler's HighVariable::merge() function during the variable merging pass. Attackers can trigger this vulnerability by crafting a binary that causes stale pointers in the HighIntersectTest::highedgemap cache to be dereferenced, reading and writing the flags field of freed heap memory when a user opens the binary in Ghidra's decompiler view.
Metadata
Severity & Metrics
4.4
MEDIUM CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
SSVC — CISA Coordinator
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| nationalsecurityagency | ghidra | — | 0 < 12.1, 12.1 |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-416 | cna | Use After Free |
CVSS scores (2)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 4.6 | MEDIUM | 4.0 | cna | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N |
| 4.4 | MEDIUM | 3.1 | cna | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L |
References (2)