How severe is CVE-2026-49496?

CVE-2026-49496 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2026-49496 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-49496?

CVE-2026-49496 affects Nsa Ghidra. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-49496?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-49496 have an EU (EUVD) identifier?

Yes. CVE-2026-49496 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36005.

When was CVE-2026-49496 published?

CVE-2026-49496 was published on 2026-06-10 and last updated on 2026-06-17.

CVE-2026-49496

CVE-2026-49496 is a medium-severity vulnerability in Nsa Ghidra with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 6.9
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36005
Weakness: CWE-416
Affected product: Nsa Ghidra
Published: 2026-06-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-49496?: 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.
How severe is CVE-2026-49496?: CVE-2026-49496 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2026-49496 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-49496?: CVE-2026-49496 affects Nsa Ghidra. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-49496?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-49496 have an EU (EUVD) identifier?: Yes. CVE-2026-49496 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36005.
When was CVE-2026-49496 published?: CVE-2026-49496 was published on 2026-06-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nsa:ghidra:*:*:*:*:*:*:*:*

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