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[Security] Uncontrolled memory allocation in cbor_load() allows DoS via small crafted input

Status: Open.

#418 In PJK/libcbor;

· Benjamin608608 opened on Apr 1, 2026

[Security] Multiple NULL pointer dereferences in cbor_copy() on allocation failure

Status: Open.

#417 In PJK/libcbor;

· Benjamin608608 opened on Apr 1, 2026

[Security] NULL pointer dereference in cbor_serialized_size() and cbor_serialize_tag() via cbor_move(cbor_tag_item())

Status: Open.

#416 In PJK/libcbor;

· Benjamin608608 opened on Apr 1, 2026

[Security] Integer overflow in cbor_builder_map_start_callback() via size*2 wraparound

Status: Open.

#415 In PJK/libcbor;

· Benjamin608608 opened on Apr 1, 2026

Consider IEEE 754 floats as a requirement

Improvement

Process/Infrastructure

Status: Open.

#336 In PJK/libcbor;

· PJK opened on Nov 9, 2024

Feature request: add pointers to start of the raw cbor and the length of the raw cbor in bytes to a cbor_item_t

Feature

Status: Open.

#327 In PJK/libcbor;

· KoenGo opened on Aug 27, 2024

Better documentation for memory management

Improvement

Status: Open.

#268 In PJK/libcbor;

· PJK opened on Jan 8, 2023

Design and implement support for registered tags

help wanted

Improvement

Status: Open.

#166 In PJK/libcbor;

· PJK opened on Oct 25, 2020

Stream encoding

Improvement

Status: Open.

#146 In PJK/libcbor;

· moeghassi opened on May 13, 2020

Implement fuzzing with malloc failures in tests

help wanted

Security

Status: Open.

#86 In PJK/libcbor;

· PJK opened on Feb 2, 2019

Write down a project vision with goals and non-goals

Documentation

Process/Infrastructure

Status: Open.

#80 In PJK/libcbor;

· PJK opened on Jan 27, 2019

·  

libcbor reloaded

Investigate performance impact of dynamic callbacks in cbor_stream_decode

help wanted

Status: Open.

#26 In PJK/libcbor;

· PJK opened on Nov 8, 2016