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CVE-2026-37537

collin80/Open-SAE-J1939 thru commit 744024d4306bc387857dfce439558336806acb06 (2023-03-08) contains an integer underflow leading to out-of-bounds write in Transport Protocol Data Transfer handling. At line 23: uint8_t index = data[0] - 1. When data[0] (sequence number from CAN frame) is 0, index underflows to 255. Subsequent write at tp_dt->data[255*7 + i-1] reaches offset 1791, exceeding the MAX_TP_DT buffer (1785 bytes) by 6 bytes.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2e6b006224cb9bfb823343ee7e53f313b5961a77252570ac50be43472aae757f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:38abab34fa389c2648cb8ba0014c2d7395437f76bbdbe3bc6ddfa48049c1fc02 · sha256:043c891e05d446ba… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-190","description":"CWE-190 Integer Overflow or Wraparound","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:38abab34fa389c2648cb8ba0014c2d7395437f76bbdbe3bc6ddfa48049c1fc02 · sha256:043c891e05d446ba… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:38abab34fa389c2648cb8ba0014c2d7395437f76bbdbe3bc6ddfa48049c1fc02 · sha256:043c891e05d446ba… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AC:L/AV:A/A:H/C:N/I:H/PR:N/S:U/UI:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:38abab34fa389c2648cb8ba0014c2d7395437f76bbdbe3bc6ddfa48049c1fc02 · sha256:043c891e05d446ba… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:38abab34fa389c2648cb8ba0014c2d7395437f76bbdbe3bc6ddfa48049c1fc02 · sha256:043c891e05d446ba… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-190","description":"CWE-190 Integer Overflow or Wraparound","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:38abab34fa389c2648cb8ba0014c2d7395437f76bbdbe3bc6ddfa48049c1fc02 · sha256:043c891e05d446ba… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:38abab34fa389c2648cb8ba0014c2d7395437f76bbdbe3bc6ddfa48049c1fc02 · sha256:043c891e05d446ba… · /containers/cna/references/2
{"url":"https://github.com/DanielMartensson/Open-SAE-J1939"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:38abab34fa389c2648cb8ba0014c2d7395437f76bbdbe3bc6ddfa48049c1fc02 · sha256:043c891e05d446ba… · /containers/cna/references/0
{"url":"https://github.com/collin80/Open-SAE-J1939"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:38abab34fa389c2648cb8ba0014c2d7395437f76bbdbe3bc6ddfa48049c1fc02 · sha256:043c891e05d446ba… · /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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