CVE-2026-46532
CVE-2026-46532 is a medium-severity vulnerability in Espressif Esp-idf with a CVSS 3.x base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Medium (CVSS 3.x base score 4.6)
- EPSS exploit prediction: 0% (13th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-35919
- Weakness: CWE-125
- Affected product: Espressif Esp-idf
- Published:
- Last modified:
Description
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.6, 5.3.5, 5.4.4, 5.5.3, and 6.0, an out-of-bounds read exists in the BlueDroid AVRCP vendor-command parser (avrc_pars_vendor_cmd() in components/bt/host/bluedroid/stack/avrc/avrc_pars_tg.c). This issue has been patched in versions 5.2.7, 5.3.6, 5.4.5, 5.5.4, and 6.0.1.
Frequently asked questions
- What is CVE-2026-46532?
- ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.6, 5.3.5, 5.4.4, 5.5.3, and 6.0, an out-of-bounds read exists in the BlueDroid AVRCP vendor-command parser (avrc_pars_vendor_cmd() in components/bt/host/bluedroid/stack/avrc/avrc_pars_tg.c). This issue has been patched in versions 5.2.7, 5.3.6, 5.4.5, 5.5.4, and 6.0.1.
- How severe is CVE-2026-46532?
- CVE-2026-46532 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
- Is CVE-2026-46532 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-46532?
- CVE-2026-46532 primarily affects Espressif Esp-idf. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-46532?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-46532 have an EU (EUVD) identifier?
- Yes. CVE-2026-46532 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35919.
- When was CVE-2026-46532 published?
- CVE-2026-46532 was published on 2026-06-10 and last updated on 2026-06-17.
References
- https://github.com/espressif/esp-idf/commit/56053c4d1f37955ccf296cf2f6dfd0f7ebd4fae6
- https://github.com/espressif/esp-idf/commit/60f9362f83a05942069532f357c234cd5e5d4302
- https://github.com/espressif/esp-idf/commit/7c004d3fe3022f5f0db98dd1b2d0648a3a9cfb3f
- https://github.com/espressif/esp-idf/commit/8746e5f7e762ead84d2902edec34d84cdd701b2b
- https://github.com/espressif/esp-idf/commit/b0959b5ab1dc60398a916c80f14b1816780c801e
- https://github.com/espressif/esp-idf/commit/c53d05ae526607ca5eae9ffedaf57775eec33a4f
- https://github.com/espressif/esp-idf/security/advisories/GHSA-3pp8-42fh-3j3c
Affected products (5)
- cpe:2.3:a:espressif:esp-idf:5.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:espressif:esp-idf:5.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:espressif:esp-idf:5.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:espressif:esp-idf:5.5.3:*:*:*:*:*:*:*
- cpe:2.3:a:espressif:esp-idf:6.0:*:*:*:*:*:*:*
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