How many CVEs have patched coap_dgram_write?

9 published CVEs changed coap_dgram_write in obgm/libcoap, in 1 distinct patches totalling 18 changed lines, between 2025 and 2025.

What is the latest CVE that changed coap_dgram_write?

CVE-2025-65493, published 2025-11-24, changed lines 626 of src/coap_openssl.c.

How does coap_dgram_write compare to the rest of obgm/libcoap?

obgm/libcoap has 15 CVEs with a located fix in total; 9 of them changed coap_dgram_write.

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.

RadicalNotion.AI

Security data

Weaknesses (CWE)The MITRE CWE weakness catalog
Attack Patterns (CAPEC)MITRE CAPEC attack patterns
CNAsNumbering authorities and report cards
VendorsVulnerabilities by vendor
Patched FunctionsWhere CVE fixes land in code

Tools

CVSS CalculatorScore CVSS 4.0, 3.1, 3.0 & 2.0
Badge BuilderEmbeddable SVG badges for READMEs

Resources

LearnSecurity guides
Data SourcesCVE data sources

About Blog Pricing Demo

Home
Patched Functions
Obgm
Libcoap
Coap_dgram_write

RadicalNotion.AI

We do not sell or share your personal information.

Security Data

CWE Directory
CAPEC Directory
CNA Directory
CNA Leaderboard
CNA Report Cards
Vendor Directory
Patched Functions
Data Sources

Calculators

CVSS Calculator
CVSS 4.0
CVSS 3.1
CVSS 3.0
CVSS 2.0
Badge Builder

Platform

My Vulnerabilities
Insights
Notifications
Pricing

Learn

Guides
What is a CVE?
What is CVSS?
The CISA KEV catalog
What is EPSS?

Company

About
Blog
Careers
Contact
Demo

Account

Legal

Security
Privacy
Terms

RadicalNotion.AI

Security data

Weaknesses (CWE)The MITRE CWE weakness catalog
Attack Patterns (CAPEC)MITRE CAPEC attack patterns
CNAsNumbering authorities and report cards
VendorsVulnerabilities by vendor
Patched FunctionsWhere CVE fixes land in code

Tools

CVSS CalculatorScore CVSS 4.0, 3.1, 3.0 & 2.0
Badge BuilderEmbeddable SVG badges for READMEs

Resources

LearnSecurity guides
Data SourcesCVE data sources

About Blog Pricing Demo

Home
Patched Functions
Obgm
Libcoap
Coap_dgram_write

coap_dgram_write in obgm/libcoap: Patched by 9 CVEs

obgm/libcoap

Function

coap_dgram_write

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

src/coap_openssl.c

Last patched November 24, 2025

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2025

Years

By CVE publication date

Overview

coap_dgram_write in obgm/libcoap was changed by 9 published CVE fixes in 2025, in 1 distinct patches that added or removed 18 lines in total.

obgm/libcoap has 15 CVEs with a located fix in total, so 60% of them touched this function.

CVEs that patched it

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

On this page

Overview
CVEs that patched it
Other functions in these files
Other hotspots in the repository
FAQ
References

CVE-2025-65493
CVE-2025-65493 · line 626 · +1 −1
High · CVSS 7.5
EPSS 0.4%2025-11-24
CVE-2025-65494
CVE-2025-65494 · line 626 · +1 −1
High · CVSS 7.5
EPSS 0.2%2025-11-24
CVE-2025-65495
CVE-2025-65495 · line 626 · +1 −1
High · CVSS 7.5
EPSS 0.2%2025-11-24
CVE-2025-65496
CVE-2025-65496 · line 626 · +1 −1
Medium · CVSS 4.3
EPSS 0.3%2025-11-24
CVE-2025-65497
CVE-2025-65497 · line 626 · +1 −1
Medium · CVSS 4.3
EPSS 0.3%2025-11-24
CVE-2025-65498
CVE-2025-65498 · line 626 · +1 −1
Medium · CVSS 4.3
EPSS 0.3%2025-11-24
CVE-2025-65499
CVE-2025-65499 · line 626 · +1 −1
Medium · CVSS 4.3
EPSS 0.3%2025-11-24
CVE-2025-65500
CVE-2025-65500 · line 626 · +1 −1
Medium · CVSS 4.3
EPSS 0.3%2025-11-24
CVE-2025-65501
CVE-2025-65501 · line 626 · +1 −1
Medium · CVSS 4.3
EPSS 0.3%2025-11-24

Get an alert when the next CVE fix lands in obgm/libcoap, with the patched functions.

Monitor libcoap CVEs

Other functions in these files

Functions in the same file that CVE fixes also changed.

1coap_dgram_ctrlsrc/coap_openssl.c9 CVEs · 1 patches2025
2coap_dtls_get_timeoutsrc/coap_openssl.c9 CVEs · 1 patches2025
3coap_dtls_info_callbacksrc/coap_openssl.c9 CVEs · 1 patches2025
4coap_dtls_new_client_sessionsrc/coap_openssl.c9 CVEs · 1 patches2025
5coap_dtls_new_server_sessionsrc/coap_openssl.c9 CVEs · 1 patches2025
6coap_sock_readsrc/coap_openssl.c9 CVEs · 1 patches2025
7coap_sock_writesrc/coap_openssl.c9 CVEs · 1 patches2025
8get_san_or_cn_from_certsrc/coap_openssl.c9 CVEs · 1 patches2025

Other hotspots in the repository

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

coap_dtls_get_timeout9 CVEs · src/coap_openssl.c coap_dtls_info_callback9 CVEs · src/coap_openssl.c coap_dtls_new_client_session9 CVEs · src/coap_openssl.c coap_dtls_new_server_session9 CVEs · src/coap_openssl.c coap_sock_read9 CVEs · src/coap_openssl.c coap_dgram_ctrl9 CVEs · src/coap_openssl.c

All patched functions in obgm/libcoap

Frequently asked questions

Common questions about CVE fixes to coap_dgram_write.

How many CVEs have patched coap_dgram_write?: 9 published CVEs changed coap_dgram_write in obgm/libcoap, in 1 distinct patches totalling 18 changed lines, between 2025 and 2025.
What is the latest CVE that changed coap_dgram_write?: CVE-2025-65493, published 2025-11-24, changed lines 626 of src/coap_openssl.c.
How does coap_dgram_write compare to the rest of obgm/libcoap?: obgm/libcoap has 15 CVEs with a located fix in total; 9 of them changed coap_dgram_write.
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

src/coap_openssl.c on GitHub (opens in a new tab)
All patched functions in obgm/libcoap
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.

Track obgm/libcoap CVEs

Get an alert when a new CVE lands in this repository, with the patched functions and AI-written remediation guidance.

Create an account See pricing