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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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5e3b5acb2e73d238b5287f3327dbd9386be90f53839d360436aa3bfa05648481
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":6.9,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3061b862aaaa1d7936542653b7586d3b3c56ca30390973c9317e36afba5889bc · sha256:07b71bb1de7b21f0… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3061b862aaaa1d7936542653b7586d3b3c56ca30390973c9317e36afba5889bc · sha256:07b71bb1de7b21f0… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:github/nationalsecurityagency/ghidra","product":"ghidra","repo":"https://github.com/nationalsecurityagency/ghidra","vendor":"nationalsecurityagency","versions":[{"lessThan":"12.1","status":"affected","version":"0","versionType":"custom"},{"status":"unaffected","version":"12.1","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3061b862aaaa1d7936542653b7586d3b3c56ca30390973c9317e36afba5889bc · sha256:07b71bb1de7b21f0… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":6.9,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3061b862aaaa1d7936542653b7586d3b3c56ca30390973c9317e36afba5889bc · sha256:07b71bb1de7b21f0… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3061b862aaaa1d7936542653b7586d3b3c56ca30390973c9317e36afba5889bc · sha256:07b71bb1de7b21f0… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-416","description":"Use After Free","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3061b862aaaa1d7936542653b7586d3b3c56ca30390973c9317e36afba5889bc · sha256:07b71bb1de7b21f0… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"Patch Commit","tags":["patch"],"url":"https://github.com/NationalSecurityAgency/ghidra/commit/8a3018d5efcb07d2ec40bacdd6063cb6f01c8edf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3061b862aaaa1d7936542653b7586d3b3c56ca30390973c9317e36afba5889bc · sha256:07b71bb1de7b21f0… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-gqh9-2c72-wpjc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3061b862aaaa1d7936542653b7586d3b3c56ca30390973c9317e36afba5889bc · sha256:07b71bb1de7b21f0… · /containers/adp/0/references/0
{"name":"GitHub Security Advisory (GHSA-gqh9-2c72-wpjc)","tags":["vendor-advisory"],"url":"https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-gqh9-2c72-wpjc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3061b862aaaa1d7936542653b7586d3b3c56ca30390973c9317e36afba5889bc · sha256:07b71bb1de7b21f0… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/ghidra-heap-use-after-free-in-sleighbuilder-generatepointeradd-via-vector-reallocation"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3061b862aaaa1d7936542653b7586d3b3c56ca30390973c9317e36afba5889bc · sha256:07b71bb1de7b21f0… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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