How many CVEs have patched coap_pdu_resize?

1 published CVEs changed coap_pdu_resize in obgm/libcoap, in 1 distinct patches totalling 4 changed lines, between 2026 and 2026.

What is the latest CVE that changed coap_pdu_resize?

CVE-2026-29013 (libcoap Out-of-Bounds Read in OSCORE CBOR Unwrap Handling), published 2026-04-17, changed lines 283 to 321 of src/coap_pdu.c.

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

obgm/libcoap has 15 CVEs with a located fix in total; 1 of them changed coap_pdu_resize.

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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Weaknesses (CWE)The MITRE CWE weakness catalog
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Patched Functions
Obgm
Libcoap
Coap_pdu_resize

coap_pdu_resize in obgm/libcoap: Patched by 1 CVEs

obgm/libcoap

Function

coap_pdu_resize

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

src/coap_pdu.c

Last patched April 17, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

coap_pdu_resize in obgm/libcoap was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 4 lines in total.

obgm/libcoap has 15 CVEs with a located fix in total, so 7% of them touched this function.

CVEs that patched it

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

libcoap Out-of-Bounds Read in OSCORE CBOR Unwrap Handling
CVE-2026-29013 · lines 283–321 · +3 −1 in 2 hunks
High · CVSS 8.8
EPSS 0.5%2026-04-17

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Other hotspots in the repository

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

coap_dgram_write9 CVEs · src/coap_openssl.c 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

All patched functions in obgm/libcoap

Frequently asked questions

Common questions about CVE fixes to coap_pdu_resize.

How many CVEs have patched coap_pdu_resize?: 1 published CVEs changed coap_pdu_resize in obgm/libcoap, in 1 distinct patches totalling 4 changed lines, between 2026 and 2026.
What is the latest CVE that changed coap_pdu_resize?: CVE-2026-29013 (libcoap Out-of-Bounds Read in OSCORE CBOR Unwrap Handling), published 2026-04-17, changed lines 283 to 321 of src/coap_pdu.c.
How does coap_pdu_resize compare to the rest of obgm/libcoap?: obgm/libcoap has 15 CVEs with a located fix in total; 1 of them changed coap_pdu_resize.
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_pdu.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.

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Overview
CVEs that patched it
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FAQ
References