How many CVEs have patched prepare_write_event_env?

2 published CVEs changed prepare_write_event_env in espressif/esp-idf, in 4 distinct patches totalling 6 changed lines, between 2026 and 2026.

What is the latest CVE that changed prepare_write_event_env?

CVE-2026-25508 (ESF-IDF Has Memory Safety Vulnerabilities in BLE Provisioning), published 2026-02-04, changed lines 240 to 241 of components/protocomm/src/transports/protocomm_ble.c.

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

espressif/esp-idf has 17 CVEs with a located fix in total; 2 of them changed prepare_write_event_env.

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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Prepare_write_event_env

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Patched Functions
Espressif
Esp Idf
Prepare_write_event_env

prepare_write_event_env in espressif/esp-idf: Patched by 2 CVEs

espressif/esp-idf

Function

prepare_write_event_env

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

components/protocomm/src/transports/protocomm_ble.c

Last patched February 4, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

prepare_write_event_env in espressif/esp-idf was changed by 2 published CVE fixes in 2026, in 4 distinct patches that added or removed 6 lines in total.

espressif/esp-idf has 17 CVEs with a located fix in total, so 12% of them touched this function.

CVEs that patched it

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

ESF-IDF Has Memory Safety Vulnerabilities in BLE Provisioning
CVE-2026-25508 · lines 240–241 · +2 −1
Medium · CVSS 6.3
EPSS 0.4%2026-02-04
ESF-IDF Has Use-after-free Vulnerability in BLE Provisioning
CVE-2026-25507 · lines 240–241 · +2 −1
Medium · CVSS 6.3
EPSS 0.4%2026-02-04

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1transport_simple_ble_writecomponents/protocomm/src/transports/protocomm_ble.c2 CVEs · 4 patches2026
2protocomm_ble_cleanupcomponents/protocomm/src/transports/protocomm_ble.c2 CVEs · 4 patches2026
3handle_to_handlercomponents/protocomm/src/transports/protocomm_ble.c2 CVEs · 4 patches2026
4protocomm_ble_stopcomponents/protocomm/src/transports/protocomm_ble.c2 CVEs · 4 patches2026
5protocomm_ble_transport_activecomponents/protocomm/src/transports/protocomm_ble.c2 CVEs · 4 patches2026
6transport_simple_ble_connectcomponents/protocomm/src/transports/protocomm_ble.c2 CVEs · 4 patches2026
7transport_simple_ble_disconnectcomponents/protocomm/src/transports/protocomm_ble.c2 CVEs · 4 patches2026
8transport_simple_ble_exec_writecomponents/protocomm/src/transports/protocomm_ble.c2 CVEs · 4 patches2026

Other hotspots in the repository

Functions in espressif/esp-idf changed by the most CVE fixes.

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 handle_to_handler2 CVEs · components/protocomm/src/transports/protocomm_ble.c protocomm_ble_stop2 CVEs · components/protocomm/src/transports/protocomm_ble.c

All patched functions in espressif/esp-idf

Frequently asked questions

Common questions about CVE fixes to prepare_write_event_env.

How many CVEs have patched prepare_write_event_env?: 2 published CVEs changed prepare_write_event_env in espressif/esp-idf, in 4 distinct patches totalling 6 changed lines, between 2026 and 2026.
What is the latest CVE that changed prepare_write_event_env?: CVE-2026-25508 (ESF-IDF Has Memory Safety Vulnerabilities in BLE Provisioning), published 2026-02-04, changed lines 240 to 241 of components/protocomm/src/transports/protocomm_ble.c.
How does prepare_write_event_env compare to the rest of espressif/esp-idf?: espressif/esp-idf has 17 CVEs with a located fix in total; 2 of them changed prepare_write_event_env.
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/protocomm/src/transports/protocomm_ble.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
Other functions in these files
Other hotspots in the repository
FAQ
References