CVE-2026-33123
MediumAdvisory
Published 18 Mar 2026In the index since 6 Sept 2026
- Severity
- Medium
- worst across findings
- CVSS
- 5.1
- base score, highest
- EPSS
- 0.003
- 28th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 7
- of 17,787 indexed, latest versions
- Container images
- 7
- deployed by those charts
- Fix available
- 1 of 1
- affected package
pypdf has inefficient decoding of array-based streams
Carried by container images the latest versions of 7 of 17,787 indexed charts deploy, on 7 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| pypdfpypi | 5.0.1, 5.1.0, 5.3.0, 5.4.0+3 more | 6.9.1 | 7 |
- OSV records
- GHSA-qpxp-75px-xjcp
- Also known as
- PYSEC-2026-3023
Charts affected
7 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| calibre-webk8s-home-lab-repo | 9.1.1 | 1 of 1See more | 4,546 |
| pretixtechwolf12Verified publisher | 2026.7.0 | 1 of 3See more | 9,825 |
| csghubcsghubVerified publisher | 2.4.3 | 1 of 34See more | 59,131 |
| difydify | 1.0.0 | 1 of 4See more | 19,063 |
| aperagkubeblocksVerified publisher | 0.0.0-nightly | 1 of 3See more | 8,455 |
| showroom-docs-mcpshowroom-docs-mcpVerified publisher | 2.1.0 | 1 of 4See more | 5,230 |
| calibre-webvista | 0.1.3 | 1 of 1See more | 7,696 |
Container images carrying it
7 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| apecloud/ | 8ac9947a2c84 | pypdf | 6.9.1 | 1 |
| langgenius/ | 066035f93856 | pypdf | 6.9.1 | 1 |
| linuxserver/ | 241009026e6f | pypdf | 6.9.1 | 1 |
| litellm/ | 09b217802ded | pypdf | 6.9.1 | 1 |
| opencsghq/ | 2f03fead54db | pypdf | 6.9.1 | 1 |
| pretix/ | 5df3b7aa852e | pypdf | 6.9.1 | 1 |
| ghcr.io/ | 7c0464228f2f | pypdf | 6.9.1 | 1 |