CVE catalog
CVE-2023-45853
zlib: CVE-2023-45853
- Severity
- Critical · CVSS 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 3.45% · Oct 25, 2026
MiniZip in zlib through 1.3 has an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip4_64 via a long filename, comment, or extra field. NOTE: MiniZip is not a supported part of the zlib product. NOTE: pyminizip through 0.2.6 is also vulnerable because it bundles an affected zlib version, and exposes the applicable MiniZip code through its compress API.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | zlib | sid | 1:1.3.dfsg+really1.3.2-4 | fixed |
| Debian | zlib | forky | 1:1.3.dfsg+really1.3.2-3 | fixed |
| Debian | zlib | trixie | 1:1.3.dfsg+really1.3.1-1 | fixed |
| Debian | zlib | bookworm | 1:1.2.13.dfsg-1 | vulnerable |
| Debian | minizip | bookworm | 1.1-8+deb12u1 | fixed |
| Cpe | zlib | Not reported | 1.3.1 | fixed |
| Cpe | pyminizip | Not reported | Not reported | unknown |
| Ubuntu | zlib | pro | 1:1.2.8.dfsg-1ubuntu1 | vulnerable |
| Ubuntu | zlib | pro | 1:1.2.8.dfsg-1ubuntu1.1 | vulnerable |
| Ubuntu | zlib | pro | 1:1.2.8.dfsg-1ubuntu1.1+esm1 | vulnerable |
| Ubuntu | zlib | pro | 1:1.2.8.dfsg-1ubuntu1.1+esm2 | vulnerable |
| Ubuntu | zlib | pro | 1:1.2.8.dfsg-1ubuntu1.1+esm3 | fixed |
| Opensuse | zlib | leap 16.0 | 1.2.13-160000.3.1 | fixed |
| Suse | zlib | linux enterprise server 16.0 | 1.2.13-160000.3.1 | fixed |
| Suse | zlib | linux enterprise server for sap applications 16.0 | 1.2.13-160000.3.1 | fixed |
| Ubuntu | zlib | pro | 1:1.2.8.dfsg-1ubuntu1 | vulnerable |
| Ubuntu | zlib | pro | 1:1.2.8.dfsg-1ubuntu1.1 | vulnerable |
| Ubuntu | zlib | pro | 1:1.2.8.dfsg-1ubuntu1.1+esm1 | vulnerable |
| Ubuntu | zlib | pro | 1:1.2.8.dfsg-1ubuntu1.1+esm2 | vulnerable |
| Ubuntu | zlib | pro | 1:1.2.8.dfsg-1ubuntu1.1+esm3 | fixed |
| Suse | zlib | linux micro 6.2 | 1.2.13-160000.3.1 | fixed |
| Suse | zlib | linux micro 6.0 | 1.2.13-7.1 | fixed |
| Suse | zlib | linux micro 6.1 | 1.2.13-slfo.1.1_2.1 | fixed |
| Opensuse | grype | tumbleweed | 0.88.0-1.1 | fixed |
| Suse | zlib | linux enterprise software development kit 12 sp5 | 1.2.11-11.37.1 | fixed |
| Suse | zlib | linux enterprise server 12 sp5 | 1.2.11-11.37.1 | fixed |
| Suse | zlib | linux enterprise server for sap applications 12 sp5 | 1.2.11-11.37.1 | fixed |
| Suse | zlib | linux enterprise micro 5.3 | 1.2.11-150000.3.48.1 | fixed |
| Suse | zlib | linux enterprise micro 5.4 | 1.2.11-150000.3.48.1 | fixed |
| Suse | zlib | linux enterprise module for basesystem 15 sp4 | 1.2.11-150000.3.48.1 | fixed |
| Suse | zlib | linux enterprise module for development tools 15 sp4 | 1.2.11-150000.3.48.1 | fixed |
| Suse | zlib | manager proxy 4.2 | 1.2.11-150000.3.48.1 | fixed |
| Suse | zlib | manager server 4.2 | 1.2.11-150000.3.48.1 | fixed |
| Suse | zlib | linux enterprise micro 5.1 | 1.2.11-150000.3.48.1 | fixed |
| Suse | zlib | linux enterprise micro 5.2 | 1.2.11-150000.3.48.1 | fixed |
| Opensuse | zlib | leap micro 5.3 | 1.2.11-150000.3.48.1 | fixed |
| Opensuse | zlib | leap micro 5.4 | 1.2.11-150000.3.48.1 | fixed |
| Opensuse | zlib | leap 15.4 | 1.2.11-150000.3.48.1 | fixed |
| Suse | zlib | linux enterprise micro 5.5 | 1.2.13-150500.4.3.1 | fixed |
| Suse | zlib | linux enterprise module for basesystem 15 sp5 | 1.2.13-150500.4.3.1 | fixed |
| Suse | zlib | linux enterprise module for development tools 15 sp5 | 1.2.13-150500.4.3.1 | fixed |
| Opensuse | zlib | leap 15.5 | 1.2.13-150500.4.3.1 | fixed |
| Suse | zlib | linux enterprise micro 5.5 | 1.2.13-150500.4.3.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | zlib | source | sid | 1:1.3.dfsg-2 | not yet assigned | Not reported | [1054290] |
| Debian | zlib | source | forky | 1:1.3.dfsg-2 | not yet assigned | Not reported | [1054290] |
| Debian | zlib | source | trixie | 1:1.3.dfsg-2 | not yet assigned | Not reported | [1054290] |
| Debian | zlib | source | bookworm | (unfixed) | not yet assigned | Not reported | [1054290] |
| Debian | minizip | source | bookworm | 1.1-8+deb12u1 | not yet assigned | Not reported | [1056718] |
| Cpe | zlib | cpe | Not reported | 1.3.1 | Not reported | NVD-CVE-2023-45853 | Not reported |
| Ubuntu | zlib | deb | pro | 1:1.2.8.dfsg-1ubuntu1.1+esm3 | Not reported | USN-7107-1 | Not reported |
| Opensuse | zlib | rpm | leap 16.0 | 1.2.13-160000.3.1 | Not reported | OPENSUSE-SU-2026:20487-1 | Not reported |
| Suse | zlib | rpm | linux enterprise server 16.0 | 1.2.13-160000.3.1 | Not reported | SUSE-SU-2026:21151-1 | Not reported |
| Suse | zlib | rpm | linux enterprise server for sap applications 16.0 | 1.2.13-160000.3.1 | Not reported | SUSE-SU-2026:21151-1 | Not reported |
| Ubuntu | zlib | deb | pro | 1:1.2.8.dfsg-1ubuntu1.1+esm3 | Not reported | UBUNTU-CVE-2023-45853 | Not reported |
| Suse | zlib | rpm | linux micro 6.2 | 1.2.13-160000.3.1 | Not reported | SUSE-SU-2026:21013-1 | Not reported |
| Suse | zlib | rpm | linux micro 6.0 | 1.2.13-7.1 | Not reported | SUSE-SU-2026:20709-1 | Not reported |
| Suse | zlib | rpm | linux micro 6.1 | 1.2.13-slfo.1.1_2.1 | Not reported | SUSE-SU-2026:20659-1 | Not reported |
| Opensuse | grype | rpm | tumbleweed | 0.88.0-1.1 | Not reported | OPENSUSE-SU-2025:14857-1 | Not reported |
| Suse | zlib | rpm | linux enterprise software development kit 12 sp5 | 1.2.11-11.37.1 | Not reported | SUSE-SU-2023:4216-1 | Not reported |
| Suse | zlib | rpm | linux enterprise server 12 sp5 | 1.2.11-11.37.1 | Not reported | SUSE-SU-2023:4216-1 | Not reported |
| Suse | zlib | rpm | linux enterprise server for sap applications 12 sp5 | 1.2.11-11.37.1 | Not reported | SUSE-SU-2023:4216-1 | Not reported |
| Suse | zlib | rpm | linux enterprise micro 5.3 | 1.2.11-150000.3.48.1 | Not reported | SUSE-SU-2023:4217-1 | Not reported |
| Suse | zlib | rpm | linux enterprise micro 5.4 | 1.2.11-150000.3.48.1 | Not reported | SUSE-SU-2023:4217-1 | Not reported |
| Suse | zlib | rpm | linux enterprise module for basesystem 15 sp4 | 1.2.11-150000.3.48.1 | Not reported | SUSE-SU-2023:4217-1 | Not reported |
| Suse | zlib | rpm | linux enterprise module for development tools 15 sp4 | 1.2.11-150000.3.48.1 | Not reported | SUSE-SU-2023:4217-1 | Not reported |
| Suse | zlib | rpm | manager proxy 4.2 | 1.2.11-150000.3.48.1 | Not reported | SUSE-SU-2023:4217-1 | Not reported |
| Suse | zlib | rpm | manager server 4.2 | 1.2.11-150000.3.48.1 | Not reported | SUSE-SU-2023:4217-1 | Not reported |
| Suse | zlib | rpm | linux enterprise micro 5.1 | 1.2.11-150000.3.48.1 | Not reported | SUSE-SU-2023:4217-1 | Not reported |
| Suse | zlib | rpm | linux enterprise micro 5.2 | 1.2.11-150000.3.48.1 | Not reported | SUSE-SU-2023:4217-1 | Not reported |
| Opensuse | zlib | rpm | leap micro 5.3 | 1.2.11-150000.3.48.1 | Not reported | SUSE-SU-2023:4217-1 | Not reported |
| Opensuse | zlib | rpm | leap micro 5.4 | 1.2.11-150000.3.48.1 | Not reported | SUSE-SU-2023:4217-1 | Not reported |
| Opensuse | zlib | rpm | leap 15.4 | 1.2.11-150000.3.48.1 | Not reported | SUSE-SU-2023:4217-1 | Not reported |
| Suse | zlib | rpm | linux enterprise micro 5.5 | 1.2.13-150500.4.3.1 | Not reported | SUSE-SU-2023:4215-1 | Not reported |
| Suse | zlib | rpm | linux enterprise module for basesystem 15 sp5 | 1.2.13-150500.4.3.1 | Not reported | SUSE-SU-2023:4215-1 | Not reported |
| Suse | zlib | rpm | linux enterprise module for development tools 15 sp5 | 1.2.13-150500.4.3.1 | Not reported | SUSE-SU-2023:4215-1 | Not reported |
| Opensuse | zlib | rpm | leap 15.5 | 1.2.13-150500.4.3.1 | Not reported | SUSE-SU-2023:4215-1 | Not reported |
| Suse | zlib | rpm | linux enterprise micro 5.5 | 1.2.13-150500.4.3.1 | Not reported | SUSE-SU-2024:2431-1 | Not reported |
[Debian bug #1054290][Debian bug #1056718]
Notes
[bookworm] zlib: contrib/minizip not built and src:zlib not producing binary packages
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-769027.json]
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2023_4215-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2023-45853]
- [https://osv.dev/vulnerability/ALPINE-CVE-2023-45853]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-45853]
- [https://osv.dev/vulnerability/DLA-3670-1]
- [https://osv.dev/vulnerability/SUSE-SU-2023:4215-1]
- [https://osv.dev/vulnerability/SUSE-SU-2023:4216-1]
- [https://osv.dev/vulnerability/SUSE-SU-2023:4217-1]
- [https://osv.dev/vulnerability/SUSE-SU-2024:2431-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:20659-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:20709-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:21013-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:21151-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-45853]
- [https://osv.dev/vulnerability/USN-7107-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2025:14857-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:20487-1]
- [https://security-tracker.debian.org/tracker/CVE-2023-45853]
- [https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-45853.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2663.json]
[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]