CVE-2023-46228
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.
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
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 High
CVSS: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 High
CVSS: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 High
CVSS: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 High
CVSS: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 High
CVSS: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
| Package | Affected | Fixed |
|---|---|---|
zchunkAzure Linux:2 |
before 1.1.16-3 | 1.1.16-3 |
zchunkDebian: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 less1.4.0+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 |
zchunkDebian:13 |
before 1.3.2+ds1-1 | 1.3.2+ds1-1 |
zchunkDebian:14 |
before 1.3.2+ds1-1 | 1.3.2+ds1-1 |
zchunkSUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS |
before 1.1.5-150200.3.5.1 | 1.1.5-150200.3.5.1 |
zchunkSUSE:Linux Enterprise High Performance Computing 15 SP3-ESPOS |
before 1.1.5-150200.3.5.1 | 1.1.5-150200.3.5.1 |
zchunkSUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS |
before 1.1.5-150200.3.5.1 | 1.1.5-150200.3.5.1 |
zchunkSUSE:Linux Enterprise Server 15 SP2-LTSS |
before 1.1.5-150200.3.5.1 | 1.1.5-150200.3.5.1 |
zchunkSUSE:Linux Enterprise Server 15 SP3-LTSS |
before 1.1.5-150200.3.5.1 | 1.1.5-150200.3.5.1 |
zchunkSUSE: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
| Package | Affected | Fixed |
|---|---|---|
zchunkSUSE:Linux Enterprise Server for SAP Applications 15 SP3 |
before 1.1.5-150200.3.5.1 | 1.1.5-150200.3.5.1 |
zchunkSUSE:Manager Proxy 4.2 |
before 1.1.5-150200.3.5.1 | 1.1.5-150200.3.5.1 |
zchunkSUSE:Manager Server 4.2 |
before 1.1.5-150200.3.5.1 | 1.1.5-150200.3.5.1 |
zchunkSUSE:Enterprise Storage 7.1 |
before 1.1.5-150200.3.5.1 | 1.1.5-150200.3.5.1 |
zchunkSUSE:Linux Enterprise Installer Updates 15 SP4 |
before 1.1.16-150400.3.7.1 | 1.1.16-150400.3.7.1 |
zchunkSUSE:Linux Enterprise Micro 5.3 |
before 1.1.16-150400.3.7.1 | 1.1.16-150400.3.7.1 |
zchunkSUSE:Linux Enterprise Micro 5.4 |
before 1.1.16-150400.3.7.1 | 1.1.16-150400.3.7.1 |
zchunkSUSE:Linux Enterprise Micro 5.5 |
before 1.1.16-150400.3.7.1 | 1.1.16-150400.3.7.1 |
zchunkSUSE:Linux Enterprise Module for Basesystem 15 SP4 |
before 1.1.16-150400.3.7.1 | 1.1.16-150400.3.7.1 |
zchunkSUSE:Linux Enterprise Module for Basesystem 15 SP5 |
before 1.1.16-150400.3.7.1 | 1.1.16-150400.3.7.1 |
zchunkSUSE:Linux Enterprise Module for Package Hub 15 SP5 |
before 1.1.16-150400.3.7.1 | 1.1.16-150400.3.7.1 |
zchunkopenSUSE:Leap Micro 5.3 |
before 1.1.16-150400.3.7.1 | 1.1.16-150400.3.7.1 |
zchunkopenSUSE:Leap Micro 5.4 |
before 1.1.16-150400.3.7.1 | 1.1.16-150400.3.7.1 |
zchunkopenSUSE:Leap 15.4 |
before 1.1.16-150400.3.7.1 | 1.1.16-150400.3.7.1 |
zchunkopenSUSE:Leap 15.5 |
before 1.1.16-150400.3.7.1 | 1.1.16-150400.3.7.1 |
zchunkUbuntu:22.04:LTS |
All versions, plus listed versions 1.1.9+ds1-11.1.16+ds1-1 |
None known |
zchunkUbuntu: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
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE 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
github.com/zchunk/zchunk/commit/08aec2b4dfd7f709b6e3d511411ffcc83ed4efbe
bugzilla.suse.com/show_bug.cgi?id=1216268
github.com/zchunk/zchunk/compare/1.3.1...1.3.2
nvd.nist.gov/vuln/detail/CVE-2023-46228
github.com/advisories/GHSA-cc3f-r3m3-h7f9
github.com/CVEProject/cvelistV5/tree/main/cves/2023/46xxx/CVE-2023-46228.json
Show 8 moreShow less
security-tracker.debian.org/tracker/CVE-2023-46228
suse.com/support/update/announcement/2023/suse-su-20234224-1
bugzilla.suse.com/1216268
suse.com/security/cve/CVE-2023-46228
suse.com/support/update/announcement/2023/suse-su-20234225-1
suse.com/support/update/announcement/2024/suse-su-20242432-1
ubuntu.com/security/CVE-2023-46228
cve.org/CVERecord?id=CVE-2023-46228