CVE-2026-52753

Ghidra < 12.0.3 - Out-of-Memory in Rust Symbol Demangler via Malformed Symbol

MEDIUM
5.5
CVSS Score
Published: June 10, 2026 at 12:40 PM UTC
Updated: October 26, 2026 at 11:10 AM UTC
2 products affected across 2 vendorsGhidraGhidra

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

Ghidra before 12.0.3 contains an out-of-memory vulnerability in the rust_demangle function that allocates unbounded output buffers without size limits. Attackers can craft malicious Rust symbol names in binaries to trigger exponential memory allocation, causing process crashes during binary analysis.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 12.0.3
Affected range stops below 12.0.3, so it looks safe — our inference, not a vendor statement
v < 12.0.3
Vendor states this is fixed in 12.0.3 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMVulnCheck
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-789

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