ESF-IDF: Heap Out-of-Bounds Read in Bluedroid AVRCP Target Parser

published 2026-06-10 5 mo ago modified 2026-07-23 3 mo ago also EUVD-2026-35919

cvss: 4.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits: 0; none known

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.

Patch / fix

fixed in 1 links 7

espressif esp-idf 5.2.7, 5.3.6, 5.4.5, 5.5.4, 6.0.1

github.com/espressif/esp-idf@56053c4 commit
github.com/espressif/esp-idf@60f9362 commit
github.com/espressif/esp-idf@7c004d3 commit
github.com/espressif/esp-idf@8746e5f commit
github.com/espressif/esp-idf@b0959b5 commit
github.com/espressif/esp-idf@c53d05a commit
github.com/espressif/esp-idf/security/advisories/GHSA-3pp8-42fh-3j3c advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 4 mo ago (2026-06-10)

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.6	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

Affected products

espressif esp-idf

Classification

Weakness

CWE-125 Out-of-bounds Read

References

Sources

CVE List CVE-2026-46532
NVD CVE-2026-46532

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary