CVE-2026-102809

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Source
https://cve.org/CVERecord?id=CVE-2026-102809
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-102809.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-102809
Published
2026-09-29T17:22:41Z
Modified
2026-10-02T08:11:33Z
Severity
  • 7.1 (High) CVSS_V4 - CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
PX4 Autopilot through 1.17.0 Stack Exhaustion via tests file2 Command
Details

PX4 Autopilot through 1.17.0 contains an uncontrolled stack allocation vulnerability in the file2 test command that fails to validate the write chunk size parameter. Attackers with shell access can supply an excessively large value to the -c option to trigger stack overflow and crash the flight controller.

Database specific 
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-789"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/102xxx/CVE-2026-102809.json"
}
References

Affected packages

Git / github.com/px4/px4-autopilot

Affected ranges

Type
GIT
Repo
https://github.com/px4/px4-autopilot
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
d6f12ad1c4f70ad3230afd7d86e971421e02fef4
Fixed
46a77d8ad15e7929ef261c41083dffd1bbfa9f85
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "1.17.0"
        }
    ],
    "source":  [
        "DESCRIPTION",
        "REFERENCES"
    ]
}

Affected versions

v1.*
v1.0.0-rc1
v1.0.0-rc2
v1.0.0-rc3
v1.0.0beta2
v1.0.0rc10
v1.0.0rc12
v1.0.0rc7
v1.0.0rc8
v1.0.0rc9
v1.1.0beta1
v1.1.0beta3
v1.1.1
v1.1.2
v1.1.3
v1.10.0-beta1
v1.10.0-beta2
v1.10.0-beta3
v1.10.0-beta4
v1.11.0-beta1
v1.11.0-beta2
v1.11.0-rc1
v1.11.0-rc2
v1.11.0-rc3
v1.12.0
v1.12.0-beta2
v1.12.0-beta3
v1.12.0-beta4
v1.12.0-beta5
v1.12.0-beta6
v1.12.0-rc1
v1.13.0-alpha1
v1.13.0-beta1
v1.14.0-beta1
v1.14.0-beta2
v1.15.0-alpha1
v1.15.0-beta1
v1.16.0-alpha1
v1.16.0-alpha2
v1.16.0-beta1
v1.16.0-rc1
v1.17.0-alpha1
v1.17.0-beta1
v1.17.0-rc1
v1.17.0-rc2
v1.18-beta1
v1.18.0-alpha1
v1.18.0-beta1
v1.3.0rc1
v1.3.0rc2
v1.3.0rc3
v1.3.2
v1.4.0rc1
v1.4.0rc2
v1.4.0rc3
v1.4.0rc4
v1.4.1
v1.4.1rc1
v1.4.1rc2
v1.4.1rc3
v1.4.1rc4
v1.4.2
v1.4.3
v1.4.4rc1
v1.5.0
v1.5.1
v1.5.1rc2
v1.5.1rc3
v1.5.1rc4
v1.5.2
v1.6.0-rc2
v1.6.0-rc3
v1.6.0-rc4
v1.6.0rc1
v1.6.2
v1.6.4
v1.6.5
v1.7.0
v1.7.0-rc0
v1.7.0-rc1
v1.7.0-rc2
v1.7.0-rc3
v1.7.0-rc4
v1.7.1
v1.7.2
v1.7.3
v1.7.3beta
v1.7.4beta
v1.8.0
v1.8.0-beta1
v1.8.0-beta2
v1.8.0-rc0
v1.9.0
v1.9.0-alpha
v1.9.0-beta1
v1.9.0-beta2
v1.9.0-beta3
v1.9.0-rc0
v1.9.0-rc1
v1.9.0-rc2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-102809.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "59522978932647217907276512510021970463",
                "196681219388136064673346958371649827686",
                "298978582365241578636789313824040991978",
                "292314796613401989113132675259974160349",
                "43465918513904317994769853747296535160",
                "168844979657637571880902499884093649581",
                "157700816746714131562824533075093247616"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2026-102809-66371d4e",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/px4/px4-autopilot/commit/46a77d8ad15e7929ef261c41083dffd1bbfa9f85",
        "target":  {
            "file":  "src/systemcmds/tests/test_file2.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "338363976688095067547797270926095420123",
            "length":  817
        },
        "id":  "CVE-2026-102809-a1082bf0",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/px4/px4-autopilot/commit/46a77d8ad15e7929ef261c41083dffd1bbfa9f85",
        "target":  {
            "file":  "src/systemcmds/tests/test_file2.c",
            "function":  "test_file2"
        }
    }
]
vanir_signatures_modified 
"2026-10-02T08:11:33Z"