Every CVE Search/ Get API key

CVE-2023-46228

zchunk before 1.3.2 has multiple integer overflows via malformed zchunk files to lib/comp/comp.c,...

7.8 HighFix available

zchunk before 1.3.2 has multiple integer overflows via malformed zchunk files to lib/comp/comp.c, lib/comp/zstd/zstd.c, lib/dl/multipart.c, or lib/header.c.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.28%Up 0.2 points since Oct 19, 2023
90%50%10%1%

What each source reports

NVD Score used 7.8

zchunk before 1.3.2 has multiple integer overflows via malformed zchunk files to lib/comp/comp.c, lib/comp/zstd/zstd.c, lib/dl/multipart.c, or lib/header.c.

Record
CVE-2023-46228
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-190
Updated
2026-11-02
CVE List No score

zchunk before 1.3.2 has multiple integer overflows via malformed zchunk files to lib/comp/comp.c, lib/comp/zstd/zstd.c, lib/dl/multipart.c, or lib/header.c.

Record
CVE-2023-46228
Updated
2026-11-02
EUVDEUVD-2023-50468 No score

zchunk before 1.3.2 has multiple integer overflows via malformed zchunk files to lib/comp/comp.c, lib/comp/zstd/zstd.c, lib/dl/multipart.c, or lib/header.c.

Record
EUVD-2023-50468
Updated
2026-11-03
GitHub AdvisoriesGHSA-cc3f-r3m3-h7f9 7.8

zchunk before 1.3.2 has multiple integer overflows via malformed zchunk files to lib/comp/comp.c,...

zchunk before 1.3.2 has multiple integer overflows via malformed zchunk files to lib/comp/comp.c, lib/comp/zstd/zstd.c, lib/dl/multipart.c, or lib/header.c.

Record
GHSA-cc3f-r3m3-h7f9
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-190
Updated
2026-11-02
OSVAZL-31617 7.8

CVE-2023-46228 affecting package zchunk for versions less than 1.1.16-3

zchunk before 1.3.2 has multiple integer overflows via malformed zchunk files to lib/comp/comp.c, lib/comp/zstd/zstd.c, lib/dl/multipart.c, or lib/header.c.

Record
AZL-31617
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2023-46228 7.8

zchunk before 1.3.2 has multiple integer overflows via malformed zchunk files to lib/comp/comp.c, lib/comp/zstd/zstd.c, lib/dl/multipart.c, or lib/header.c.

Record
DEBIAN-CVE-2023-46228
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 5 moreShow less
OSVUBUNTU-CVE-2023-46228 7.8

zchunk before 1.3.2 has multiple integer overflows via malformed zchunk files to lib/comp/comp.c, lib/comp/zstd/zstd.c, lib/dl/multipart.c, or lib/header.c.

Record
UBUNTU-CVE-2023-46228
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSV No score

zchunk before 1.3.2 has multiple integer overflows via malformed zchunk files to lib/comp/comp.c, lib/comp/zstd/zstd.c, lib/dl/multipart.c, or lib/header.c.

Record
CVE-2023-46228
Updated
2026-11-02
OSVSUSE-SU-2023:4224-1 No score

Security update for zchunk

This update for zchunk fixes the following issues:

  • CVE-2023-46228: Fixed a handle overflow errors in malformed zchunk files. (bsc#1216268)
Record
SUSE-SU-2023:4224-1
Updated
2026-11-02
OSVSUSE-SU-2023:4225-1 No score

Security update for zchunk

This update for zchunk fixes the following issues:

  • CVE-2023-46228: Fixed a handle overflow errors in malformed zchunk files. (bsc#1216268)
Record
SUSE-SU-2023:4225-1
Updated
2026-11-02
OSVSUSE-SU-2024:2432-1 No score

Security update for zchunk

This update for zchunk fixes the following issues:

  • CVE-2023-46228: Fixed a handle overflow errors in malformed zchunk files. (bsc#1216268)
Record
SUSE-SU-2024:2432-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
zchunk
Azure Linux:2
before 1.1.16-3
1.1.16-3
zchunk
Debian:12
All versions, plus listed versions
1.2.3+ds1-21.3.0+ds1-0.11.3.1+ds1-11.3.1+ds1-1~bpo12+11.3.2+ds1-1
Show 7 moreShow less
1.4.0+ds1-11.5.1+ds1-11.5.1+ds1-1~bpo12+11.5.2+ds1-11.5.2+ds1-21.5.3+ds1-11.5.3+ds1-2
None known
zchunk
Debian:13
before 1.3.2+ds1-1
1.3.2+ds1-1
zchunk
Debian:14
before 1.3.2+ds1-1
1.3.2+ds1-1
zchunk
SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS
before 1.1.5-150200.3.5.1
1.1.5-150200.3.5.1
zchunk
SUSE:Linux Enterprise High Performance Computing 15 SP3-ESPOS
before 1.1.5-150200.3.5.1
1.1.5-150200.3.5.1
zchunk
SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS
before 1.1.5-150200.3.5.1
1.1.5-150200.3.5.1
zchunk
SUSE:Linux Enterprise Server 15 SP2-LTSS
before 1.1.5-150200.3.5.1
1.1.5-150200.3.5.1
zchunk
SUSE:Linux Enterprise Server 15 SP3-LTSS
before 1.1.5-150200.3.5.1
1.1.5-150200.3.5.1
zchunk
SUSE:Linux Enterprise Server for SAP Applications 15 SP2
before 1.1.5-150200.3.5.1
1.1.5-150200.3.5.1
Show 17 moreShow less
Affected packages
PackageAffectedFixed
zchunk
SUSE:Linux Enterprise Server for SAP Applications 15 SP3
before 1.1.5-150200.3.5.1
1.1.5-150200.3.5.1
zchunk
SUSE:Manager Proxy 4.2
before 1.1.5-150200.3.5.1
1.1.5-150200.3.5.1
zchunk
SUSE:Manager Server 4.2
before 1.1.5-150200.3.5.1
1.1.5-150200.3.5.1
zchunk
SUSE:Enterprise Storage 7.1
before 1.1.5-150200.3.5.1
1.1.5-150200.3.5.1
zchunk
SUSE:Linux Enterprise Installer Updates 15 SP4
before 1.1.16-150400.3.7.1
1.1.16-150400.3.7.1
zchunk
SUSE:Linux Enterprise Micro 5.3
before 1.1.16-150400.3.7.1
1.1.16-150400.3.7.1
zchunk
SUSE:Linux Enterprise Micro 5.4
before 1.1.16-150400.3.7.1
1.1.16-150400.3.7.1
zchunk
SUSE:Linux Enterprise Micro 5.5
before 1.1.16-150400.3.7.1
1.1.16-150400.3.7.1
zchunk
SUSE:Linux Enterprise Module for Basesystem 15 SP4
before 1.1.16-150400.3.7.1
1.1.16-150400.3.7.1
zchunk
SUSE:Linux Enterprise Module for Basesystem 15 SP5
before 1.1.16-150400.3.7.1
1.1.16-150400.3.7.1
zchunk
SUSE:Linux Enterprise Module for Package Hub 15 SP5
before 1.1.16-150400.3.7.1
1.1.16-150400.3.7.1
zchunk
openSUSE:Leap Micro 5.3
before 1.1.16-150400.3.7.1
1.1.16-150400.3.7.1
zchunk
openSUSE:Leap Micro 5.4
before 1.1.16-150400.3.7.1
1.1.16-150400.3.7.1
zchunk
openSUSE:Leap 15.4
before 1.1.16-150400.3.7.1
1.1.16-150400.3.7.1
zchunk
openSUSE:Leap 15.5
before 1.1.16-150400.3.7.1
1.1.16-150400.3.7.1
zchunk
Ubuntu:22.04:LTS
All versions, plus listed versions
1.1.9+ds1-11.1.16+ds1-1
None known
zchunk
Ubuntu:24.04:LTS
All versions, plus listed versions
1.3.1+ds1-11.3.2+ds1-11.3.2+ds1-1build11.3.2+ds1-1build2
None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-46228 is a high vulnerability (CVSS 7.8) in Zchunk, published October 19, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. Fixed in zchunk 1.1.16-3.

References

Show 8 moreShow less
MoveEnter Open