VDB
GHSA-9mvc-8737-8j8h
GHSA-9mvc-8737-8j8h
PUBLISHED
CVSS 6.900000095367432 MEDIUM
pypdf possibly has long runtimes for malformed FlateDecode streams
Record from GitHub Advisory Database · Published February 18, 2026
pypdf is fixed in 6.7.1 (PyPI)
pypdf possibly has long runtimes for malformed FlateDecode streams
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| pypdf | PyPI | 6.7.1 |
| open-webui | Wolfi | 0.8.3-r1 |
| open-webui | Chainguard | 0.8.3-r1 |
Risk scores
CVSS 4.0
6.900000095367432
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
| Vendor | Product | Versions |
|---|---|---|
| PyPI | pypdf | 0 |
| wolfi | open-webui | 0 |
| PyPI | pypdf | 0 |
| chainguard | open-webui | 0 |
Timeline
- Feb 18, 2026 CVE Published
- Apr 11, 2026 Security Advisory
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln GHSA-9mvc-8737-8j8h
vulnetix vdb fixes GHSA-9mvc-8737-8j8h
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/GHSA-9mvc-8737-8j8h/fixes/registry"
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References
- https://github.com/py-pdf/pypdf/pull/3644 url
- GitHub Advisory GHSA-9mvc-8737-8j8h vendor-advisory
- https://github.com/py-pdf/pypdf package
- https://nvd.nist.gov/vuln/detail/CVE-2026-27026 advisory
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-9mvc-8737-8j8h url
- https://github.com/py-pdf/pypdf/commit/7905842d833f899f1d3228af7e7467ad80277016 url
- https://github.com/py-pdf/pypdf/releases/tag/6.7.1 url