CVE-2026-52753: Ghidra before 12.0.3 contains an out-of-memory vulnerability in the rust_demangle function that allocates unbo

Q: How do I fix CVE-2026-52753?

ghidra: upgrade to 12.0.3. Exact commands for each OS are on this page.

Q: Is CVE-2026-52753 being exploited?

CVE-2026-52753 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-52753 affect?

CVE-2026-52753 affects ghidra. Severity is medium (CVSS 5.5). 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 memor

Q: How urgent is CVE-2026-52753?

Priority 25/100. Public exploit reference

Routine

MEDIUM 5.5UPGRADE

CVE-2026-52753 is a medium-severity flaw (CVSS 5.5) affecting ghidra. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 96%)
CISA exploited list	No
Weakness	CWE-789
Published	2026-06-10
Last modified	2026-10-26

Publisher (CNA): VulnCheck · Vendor: nsa

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-10 14:16 UTCPublished CVE record published
2026-10-26 11:10 UTCUpdated Record last modified

nsa ghidra UPGRADE

Affected: < 12.0.3

Fixed in: 12.0.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ghidra || rpm -q ghidra || ghidra --version

2. UPGRADE to 12.0.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ghidra

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ghidra

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-52753?

ghidra: upgrade to 12.0.3. Exact commands for each OS are on this page.

Is CVE-2026-52753 being exploited?

CVE-2026-52753 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-52753 affect?

CVE-2026-52753 affects ghidra. Severity is medium (CVSS 5.5). 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 memor

How urgent is CVE-2026-52753?

Priority 25/100. Public exploit reference

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CVE-2026-52756 MEDIUM 4.8 UPGRADE Ghidra before 12.2 contains an unauthenticated path traversal vulnerability in the IsfServer that accepts TCP
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References

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