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CVE-2026-10680

The Classic (BR/EDR) L2CAP signaling handlers l2cap_br_conf_req() and l2cap_br_conf_rsp() in subsys/bluetooth/host/classic/l2cap_br.c validated the minimum command size against buf->len (the bytes remaining in the whole received PDU) instead of len (the per-command data length from the L2CAP signaling header). Because multiple signaling commands can be packed into one PDU, buf->len may exceed a command's len. An attacker can send a CONF_REQ command with a header length smaller than the configura
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b74b2de048b87416d6aa68d83acf224d4985f6dfe4e31c0bec3668d42b481dea
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"collectionURL":"https://github.com/zephyrproject-rtos/zephyr","defaultStatus":"unaffected","packageName":"zephyr","product":"zephyr","programFiles":["subsys/bluetooth/host/classic/l2cap_br.c"],"vendor":"zephyrproject","versions":[{"lessThan":"4.3.1","status":"affected","version":"4.2.0","versionType":"semver"},{"lessThanOrEqual":"4.4.1","status":"affected","version":"4.4.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:90cd514b1be5546660e524106db9e5f323aae81c0e626255af7a3244da503d82 · sha256:d024231cbc208308… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.6,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:90cd514b1be5546660e524106db9e5f323aae81c0e626255af7a3244da503d82 · sha256:d024231cbc208308… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-125","description":"bounds","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:90cd514b1be5546660e524106db9e5f323aae81c0e626255af7a3244da503d82 · sha256:d024231cbc208308… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"Fix commit","tags":["patch"],"url":"https://github.com/zephyrproject-rtos/zephyr/commit/1d451683377f4c8e56d7718565bea7b5c1155159"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:90cd514b1be5546660e524106db9e5f323aae81c0e626255af7a3244da503d82 · sha256:d024231cbc208308… · /containers/cna/references/0
{"name":"GHSA-vrwx-p97q-8854","url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-vrwx-p97q-8854"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:90cd514b1be5546660e524106db9e5f323aae81c0e626255af7a3244da503d82 · sha256:d024231cbc208308… · /containers/cna/references/1

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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