CVE-2023-51103
Publication date 26 December 2023
Last updated 17 October 2025
Ubuntu priority
Description
A floating point exception (divide-by-zero) vulnerability was discovered in Artifex MuPDF 1.23.4 in the function fz_new_pixmap_from_float_data() of pixmap.c.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| mupdf | 25.10 questing |
Needs evaluation
|
| 25.04 plucky |
Needs evaluation
|
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| 14.04 LTS trusty | Ignored end of standard support |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.5 · High
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
Other references
- https://github.com/dongyuma/sox-defects/blob/main/mupdf-defects.md
- https://github.com/dongyuma/sox-defects/blob/main/mupdf-defects.md#2-a-floating-point-exception-divide-by-zero-issue-was-discovered-in-mupdf-in-functon-fz_new_pixmap_from_float_data-of-pixmapc-in-line-1330
- https://www.cve.org/CVERecord?id=CVE-2023-51103
- https://github.com/ArtifexSoftware/mupdf/commit/f1b5f87edd2675d5c79301e4ef2e1139f67f904b