Security update for python-msgpack
This update for python-msgpack fixes the following issue - CVE-2026-57585: `Unpacker` reuse after a caught error can lead to an out-of-bounds read and a crash (bsc#1269947).
SUSE-SU-2026:4443-1
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:SUSE-SU-2026:4443-1
python-msgpack
Source reference: /affected/0/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 1.0.7-150600.3.5.1
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
python-msgpack
Source reference: /affected/1/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 1.0.7-150600.3.5.1
Source reference:
/affected/1/ranges - Prerequisites
- Not stated in this record
python-msgpack
Source reference: /affected/2/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 1.0.7-150600.3.5.1
Source reference:
/affected/2/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.7-150600.3.5.1"
}
]
}
],
"package": {
"name": "python-msgpack",
"purl": "pkg:rpm/suse/python-msgpack&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%203%2015%20SP7",
"ecosystem": "SUSE:Linux Enterprise Module for Python 3 15 SP7"
},
"database_specific": {
"source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4443-1.json"
},
"ecosystem_specific": {
"binaries": [
{
"python311-msgpack": "1.0.7-150600.3.5.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.7-150600.3.5.1"
}
]
}
],
"package": {
"name": "python-msgpack",
"purl": "pkg:rpm/suse/python-msgpack&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS",
"ecosystem": "SUSE:Linux Enterprise Server 15 SP6-LTSS"
},
"database_specific": {
"source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4443-1.json"
},
"ecosystem_specific": {
"binaries": [
{
"python311-msgpack": "1.0.7-150600.3.5.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.7-150600.3.5.1"
}
]
}
],
"package": {
"name": "python-msgpack",
"purl": "pkg:rpm/suse/python-msgpack&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6",
"ecosystem": "SUSE:Linux Enterprise Server for SAP Applications 15 SP6"
},
"database_specific": {
"source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4443-1.json"
},
"ecosystem_specific": {
"binaries": [
{
"python311-msgpack": "1.0.7-150600.3.5.1"
}
]
}
}
]- Related CVEs
- CVE-2026-57585
Source reference:
/upstream
Publisher severity
No explicit severity was provided.
- Event
- #84445 · Revision 1
- Added to Heist Feed
- Publisher date