How many CVEs have a located fix in obgm/libcoap?

15 published CVEs have a fix traced to functions in obgm/libcoap, touching 19 functions across 8 files.

Which function in obgm/libcoap has been patched by the most CVEs?

coap_dgram_ctrl in src/coap_openssl.c has been changed by 9 CVE fixes, from 2025 to 2025.

How large is a typical CVE fix in obgm/libcoap?

The median fix changes 205 lines. 27% of fixes change 20 lines or fewer, and 13% change a single function.

How is a fix located to a function?

The upstream fix commit for each CVE is fetched and its diff is split into hunks. Each hunk is attributed to the function, method or type it changes, using the definition the diff itself names. Backports of the same fix to stable branches are counted once.

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#381 of 500 repositories

obgm/libcoap

Name: obgm/libcoap: functions patched by CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

Functions and files changed by CVE fixes in this repository.

Latest located fix April 17, 2026

15

CVE fixes located

Published CVEs

19

Functions patched

Distinct function sites

8

Files patched

Distinct source files

2023–2026

Years covered

By CVE publication date

Overview

15 published CVEs have a fix traced to functions in obgm/libcoap, the earliest published in 2023. Those fixes changed 19 distinct functions across 8 files, in 264 patch hunks.

Among the 500 repositories tracked here, obgm/libcoap ranks #381 by the number of CVEs with a located fix.

Most patched functions

Functions in obgm/libcoap changed by the most CVE fixes.

Most patched files

Files in obgm/libcoap changed by the most CVE fixes.

1src/coap_openssl.c9 CVEs · 12 functions
2src/coap_session.c9 CVEs · 1 functions
3src/coap_oscore.c3 CVEs · 4 functions
4src/coap_pdu.c1 CVEs · 1 functions
5src/net.c1 CVEs · 1 functions
6src/coap_address.c1 CVEs · 0 functions
7src/coap_cache.c1 CVEs · 0 functions
8src/coap_uri.c1 CVEs · 0 functions

Fix size

How much code a CVE fix in obgm/libcoap changes, with backports counted once.

205

Median lines changed

Added plus removed, per CVE

27%

Fixes of 20 lines or fewer

Share of CVE fixes

13%

Fixes in a single function

Share of CVE fixes

Latest CVEs

The most recently published CVEs with a fix located in obgm/libcoap, and the functions each fix changed.

libcoap Out-of-Bounds Read in OSCORE CBOR Unwrap Handling
CVE-2026-29013coap_pdu_resize
High · CVSS 8.8
EPSS 0.5%2026-04-17
libcoap Stack-Based Buffer Overflow in Address Resolution DoS or Potential RCE
CVE-2025-34468
High · CVSS 8.2
EPSS 0.7%2025-12-31
CVE-2025-59391
CVE-2025-59391coap_parse_oscore_conf_mem get_split_entry
Medium · CVSS 6.5
EPSS 0.3%2025-12-08
CVE-2025-65501
CVE-2025-65501tls_verify_call_back coap_sock_write timeval
Medium · CVSS 4.3
EPSS 0.3%2025-11-24
CVE-2025-65498
CVE-2025-65498tls_verify_call_back coap_sock_write timeval
Medium · CVSS 4.3
EPSS 0.3%2025-11-24
CVE-2025-65496
CVE-2025-65496tls_verify_call_back coap_sock_write timeval
Medium · CVSS 4.3
EPSS 0.3%2025-11-24
CVE-2025-65494
CVE-2025-65494tls_verify_call_back coap_sock_write timeval
High · CVSS 7.5
EPSS 0.2%2025-11-24
CVE-2025-65495
CVE-2025-65495tls_verify_call_back coap_sock_write timeval
High · CVSS 7.5
EPSS 0.2%2025-11-24
CVE-2025-65499
CVE-2025-65499tls_verify_call_back coap_sock_write timeval
Medium · CVSS 4.3
EPSS 0.3%2025-11-24
CVE-2025-65493
CVE-2025-65493tls_verify_call_back coap_sock_write timeval
High · CVSS 7.5
EPSS 0.4%2025-11-24
CVE-2025-65497
CVE-2025-65497tls_verify_call_back coap_sock_write timeval
Medium · CVSS 4.3
EPSS 0.3%2025-11-24
CVE-2025-65500
CVE-2025-65500tls_verify_call_back coap_sock_write timeval
Medium · CVSS 4.3
EPSS 0.3%2025-11-24

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Frequently asked questions

Common questions about CVE fixes in obgm/libcoap.

How many CVEs have a located fix in obgm/libcoap?: 15 published CVEs have a fix traced to functions in obgm/libcoap, touching 19 functions across 8 files.
Which function in obgm/libcoap has been patched by the most CVEs?: coap_dgram_ctrl in src/coap_openssl.c has been changed by 9 CVE fixes, from 2025 to 2025.
How large is a typical CVE fix in obgm/libcoap?: The median fix changes 205 lines. 27% of fixes change 20 lines or fewer, and 13% change a single function.
How is a fix located to a function?: The upstream fix commit for each CVE is fetched and its diff is split into hunks. Each hunk is attributed to the function, method or type it changes, using the definition the diff itself names. Backports of the same fix to stable branches are counted once.

References

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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