01 Record
CVE-2026-45542
ESF-IDF: Heap buffer overflow in protocomm Security2 over Bluetooth
HighPUBLISHEDCNA: GitHub_M
CNA base score7.1 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
02 Description
ESF-IDF: Heap buffer overflow in protocomm Security2 over Bluetooth
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.32% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 25.2% of scored records. A rank, not a probability.
- NVD base score
- 7.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-07-23.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-06-10 00:34Z4 MO AGO
- Last updated
- 2026-06-10 15:16Z4 MO AGO
- Reserved
- 2026-05-12
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.1)
- CNA CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- Weaknesses
- CWE-122Heap-based Buffer OverflowVariant
- Data version
- 5.2
- Document digest
- 2db3ca6742bbdd8a0af620803bbca5fd1f6e35c5fbbe8fe9fa3b41239e45298b
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/espressif/esp-idf/security/advisories/GHSA-9r76-858f-v6jh
- github.comhttps://github.com/espressif/esp-idf/commit/0ea58d79845ad674d0358d5de246015a68c4cb4f
- github.comhttps://github.com/espressif/esp-idf/commit/56c3e385611e63162d0f2f8504ac4ae2ccfccef0
- github.comhttps://github.com/espressif/esp-idf/commit/71eb2dbe6aaef830719ecac8edf409e2992b64b2
- github.comhttps://github.com/espressif/esp-idf/commit/9b4cacf9cbc69379972de6a2247fcf5af9240961
- github.comhttps://github.com/espressif/esp-idf/commit/a2f4554f10ba075c98cbc67464db096ba32497cf
- github.comhttps://github.com/espressif/esp-idf/commit/f5d24a7e919bc5f447091479656b86da6762a103