Issues

• [GLD Serializer Benchmark] Go vmihailenco/msgpack 5.4.1 — spec compliance misses

  vmihailenco/msgpack#403 · Filter by author leo-gan opened on Sep 14, 2026

• Security vulnerability disclosure: unbounded memory allocation when decoding slices (msgpack v5, CVE pending)

  vmihailenco/msgpack#401 · Filter by author LvShenlyl opened on Aug 19, 2026

• [benchmark] Request for call-path / fairness review (GLD.SerializerBenchmark)

  vmihailenco/msgpack#394 · Filter by author leo-gan opened on Jul 17, 2026

• []byte-kind shortcut overrides element CustomEncoder/CustomDecoder for named uint8 slices

  vmihailenco/msgpack#391 · Filter by author gdamore opened on May 29, 2026

• omitempty semantics differ from encoding/json

  vmihailenco/msgpack#390 · Filter by author WGH- opened on May 25, 2026

• Community Fork: Basekick-Labs/msgpack — actively maintaining and improving

  vmihailenco/msgpack#383 · Filter by author xe-nvdk opened on Feb 28, 2026

• int64 aren't properly decoded

  vmihailenco/msgpack#379 · Filter by author jney opened on Sep 8, 2025
  2

• omitempty unexpectedly omits a member when the member is a struct with a non-zero unexported member

  vmihailenco/msgpack#378 · Filter by author hajimehoshi opened on Feb 17, 2025
  2

• Memory is not secure and may be vulnerable to attacks

  vmihailenco/msgpack#376 · Filter by author blacksun1977 opened on Aug 26, 2024
  2

• Types with pointer receivers that are not pointers cause do not encode

  vmihailenco/msgpack#374 · Filter by author element-of-surprise opened on May 6, 2024
  1

• reflect.Value.SetString using unaddressable value on concrete values contained within any structures

  vmihailenco/msgpack#373 · Filter by author element-of-surprise opened on Apr 21, 2024

• Can encode a map[int][whatever type], but cannot decode into the any type. Get invalid code=1 decoding string/bytes length, only in v5, works in v4

  vmihailenco/msgpack#372 · Filter by author element-of-surprise opened on Apr 20, 2024
  1

• Use encoding.TextUnmarshaler when MessagePack format is a str

  vmihailenco/msgpack#370 · Filter by author WGH- opened on Feb 26, 2024
  1

• v5 encoding.TextMarshaler and round tripping

  vmihailenco/msgpack#367 · Filter by author razor-1 opened on Jan 21, 2024
  1

• JSON Size Smaller Than MessagePack Go Implementation

  vmihailenco/msgpack#362 · Filter by author marcsantiago opened on Oct 27, 2023
  2

• ci : Regarding the failure of the Go CI in GitHub Actions

  vmihailenco/msgpack#358 · Filter by author seipan opened on Oct 5, 2023

• Request to Support Decoding Double Type in float32 Method

  vmihailenco/msgpack#353 · Filter by author funplusxxx opened on Sep 22, 2023

• Incorrect Error Message in float64 Method in decode_number.go

  vmihailenco/msgpack#352 · Filter by author funplusxxx opened on Sep 22, 2023
  1

• Support decoding bytes in place

  vmihailenco/msgpack#350 · Filter by author cw9 opened on Sep 14, 2023

• marshal reflect.ValueOf panic

  vmihailenco/msgpack#346 · Filter by author dongjiang1989 opened on Mar 9, 2023

• marshal []bytes panic

  vmihailenco/msgpack#340 · Filter by author qianxiansheng90 opened on Aug 2, 2022
  2

• panic: reflect: reflect.Value.SetString using unaddressable value

  vmihailenco/msgpack#339 · Filter by author TXYH1 opened on Jul 28, 2022

• Why NewDecoder return zero response ?

  vmihailenco/msgpack#337 · Filter by author restuwahyu13 opened on Jun 20, 2022

• panic: reflect: reflect.Value.SetString using unaddressable value

  vmihailenco/msgpack#336 · Filter by author VibhorGupta1991 opened on May 25, 2022
  1

• panic: reflect: reflect.Value.SetString using unaddressable value

  vmihailenco/msgpack#328 · Filter by author Leadrive opened on Dec 15, 2021
  3