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CVE-2026-32743

PX4 is an open-source autopilot stack for drones and unmanned vehicles. Versions 1.17.0-rc2 and below are vulnerable to Stack-based Buffer Overflow through the MavlinkLogHandler, and are triggered via MAVLink log request. The LogEntry.filepath buffer is 60 bytes, but the sscanf function parses paths from the log list file with no width specifier, allowing a path longer than 60 characters to overflow the buffer. An attacker with MAVLink link access can trigger this by first creating deeply nested
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d235f687875928e7894459f078dc6e55f5a32f9f62fef9875033c28de65a348d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"PX4-Autopilot","vendor":"PX4","versions":[{"status":"affected","version":"<= 1.17.0-rc2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bd61abef1055975f124abf65bee83b9b87b45437ae0a41d09f70bde173b8d6b · sha256:9360f889b7b48ad8… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3bd61abef1055975f124abf65bee83b9b87b45437ae0a41d09f70bde173b8d6b · sha256:9360f889b7b48ad8… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-121","description":"CWE-121: Stack-based Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3bd61abef1055975f124abf65bee83b9b87b45437ae0a41d09f70bde173b8d6b · sha256:9360f889b7b48ad8… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/PX4/PX4-Autopilot/commit/616b25a280e229c24d5cf12a03dbf248df89c474","tags":["x_refsource_MISC"],"url":"https://github.com/PX4/PX4-Autopilot/commit/616b25a280e229c24d5cf12a03dbf248df89c474"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3bd61abef1055975f124abf65bee83b9b87b45437ae0a41d09f70bde173b8d6b · sha256:9360f889b7b48ad8… · /containers/cna/references/1
{"name":"https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-97c4-68r9-96p5","tags":["x_refsource_CONFIRM"],"url":"https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-97c4-68r9-96p5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3bd61abef1055975f124abf65bee83b9b87b45437ae0a41d09f70bde173b8d6b · sha256:9360f889b7b48ad8… · /containers/cna/references/0

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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