How many CVEs have patched l2cu_send_peer_config_rej?

1 published CVEs changed l2cu_send_peer_config_rej in espressif/esp-idf, in 2 distinct patches totalling 42 changed lines, between 2026 and 2026.

What is the latest CVE that changed l2cu_send_peer_config_rej?

CVE-2026-81507 (ESF-IDF: Bluetooth Classic L2CAP Heap Memory Disclosure Allowing Unauthorized Access to Sensitive Data), published 2026-10-13, changed lines 882 to 974 of components/bt/host/bluedroid/stack/l2cap/l2c_utils.c.

How does l2cu_send_peer_config_rej compare to the rest of espressif/esp-idf?

espressif/esp-idf has 17 CVEs with a located fix in total; 1 of them changed l2cu_send_peer_config_rej.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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Patched Functions
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L2cu_send_peer_config_rej

l2cu_send_peer_config_rej in espressif/esp-idf: Patched by 1 CVEs

espressif/esp-idf

Function

l2cu_send_peer_config_rej

Name: l2cu_send_peer_config_rej in espressif/esp-idf: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

components/bt/host/bluedroid/stack/l2cap/l2c_utils.c

Last patched October 13, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

l2cu_send_peer_config_rej in espressif/esp-idf was changed by 1 published CVE fixes in 2026, in 2 distinct patches that added or removed 42 lines in total.

espressif/esp-idf has 17 CVEs with a located fix in total, so 6% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed l2cu_send_peer_config_rej, newest first, with the lines each fix touched.

ESF-IDF: Bluetooth Classic L2CAP Heap Memory Disclosure Allowing Unauthorized Access to Sensitive Data
CVE-2026-81507 · lines 882–974 · +23 −19 in 2 hunks
Medium · CVSS 6.5
EPSS 0.3%2026-10-13

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jpeg_parse_dqt_marker2 CVEs · components/esp_driver_jpeg/jpeg_parse_marker.c jpeg_parse_appn_marker2 CVEs · components/esp_driver_jpeg/jpeg_parse_marker.c jpeg_parse_dht_marker2 CVEs · components/esp_driver_jpeg/jpeg_parse_marker.c protocomm_ble_cleanup2 CVEs · components/protocomm/src/transports/protocomm_ble.c prepare_write_event_env2 CVEs · components/protocomm/src/transports/protocomm_ble.c handle_to_handler2 CVEs · components/protocomm/src/transports/protocomm_ble.c

All patched functions in espressif/esp-idf

Frequently asked questions

Common questions about CVE fixes to l2cu_send_peer_config_rej.

How many CVEs have patched l2cu_send_peer_config_rej?: 1 published CVEs changed l2cu_send_peer_config_rej in espressif/esp-idf, in 2 distinct patches totalling 42 changed lines, between 2026 and 2026.
What is the latest CVE that changed l2cu_send_peer_config_rej?: CVE-2026-81507 (ESF-IDF: Bluetooth Classic L2CAP Heap Memory Disclosure Allowing Unauthorized Access to Sensitive Data), published 2026-10-13, changed lines 882 to 974 of components/bt/host/bluedroid/stack/l2cap/l2c_utils.c.
How does l2cu_send_peer_config_rej compare to the rest of espressif/esp-idf?: espressif/esp-idf has 17 CVEs with a located fix in total; 1 of them changed l2cu_send_peer_config_rej.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

components/bt/host/bluedroid/stack/l2cap/l2c_utils.c on GitHub (opens in a new tab)
All patched functions in espressif/esp-idf
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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On this page

Overview
CVEs that patched it
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References