CVE-2026-49496

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.1 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 93% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Elevated
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
6.1
EG Score
6.1(medium)
EPSS
6.6%
KEV
Not listed

Published

June 10, 2026

Last Modified

July 14, 2026

Advisory Details (2)

Auto-updated Jun 13, 2026
Patch available. Sources: github.
github Patch Available

Heap-Use-After-Free in SleighBuilder::generatePointerAdd · Advisory · NationalSecurityAgency/ghidra · GitHub

https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-gqh9-2c72-wpjc
generic

Ghidra < 12.1 - Heap-Use-After-Free in SleighBuilder::generatePointerAdd via Vector Reallocation | Advisories | VulnCheck

https://www.vulncheck.com/advisories/ghidra-heap-use-after-free-in-sleighbuilder-generatepointeradd-via-vector-reallocation

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 14× in last 7d / 66× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-16 00:58 UTCEG score recompute
  2. 2026-07-15 16:57 UTCEPSS rescore
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  1. 2026-07-01 21:19 UTCEG score recompute
  2. 2026-07-01 15:07 UTCEPSS rescore
  3. 2026-06-30 23:22 UTCEPSS rescore
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  12. 2026-06-28 00:54 UTCEG score recompute
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  26. 2026-06-21 14:56 UTCEPSS rescore
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  28. 2026-06-21 06:37 UTCEG score recompute
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  32. 2026-06-19 19:26 UTCEPSS rescore
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  35. 2026-06-18 17:52 UTCEPSS rescore
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  40. 2026-06-16 17:53 UTCEPSS rescore
  41. 2026-06-16 09:59 UTCEG score recompute
  42. 2026-06-15 17:49 UTCEPSS rescore
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  44. 2026-06-15 10:52 UTCEG score recompute
  45. 2026-06-14 23:18 UTCEPSS rescore
  46. 2026-06-14 11:42 UTCEG score recompute
  47. 2026-06-13 23:00 UTCEPSS rescore
  48. 2026-06-13 12:36 UTCEG score recompute
  49. 2026-06-12 23:12 UTCEPSS rescore
  50. 2026-06-12 23:12 UTCEPSS rescore
  51. 2026-06-12 13:29 UTCEG score recompute
  52. 2026-06-11 14:24 UTCEG score recompute
  53. 2026-06-11 14:00 UTCEPSS rescore
  54. 2026-06-10 15:18 UTCEG score recompute
  55. 2026-06-10 15:18 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-49496?
CVE-2026-49496 is a medium vulnerability published on June 10, 2026. 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…
When was CVE-2026-49496 disclosed?
CVE-2026-49496 was first published in the National Vulnerability Database on June 10, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-49496 actively exploited?
CVE-2026-49496 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-49496?
CVE-2026-49496 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2026-49496?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-49496, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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