VDB
GHSA-F83F-XPX7-FFPW
GHSA-F83F-XPX7-FFPW
PUBLISHED
CVSS 7.5 HIGH
Fulcio allocates excessive memory during token parsing
Record from GitHub Advisory Database · Published December 5, 2025
github.com/sigstore/fulcio is fixed in 1.8.3 (Go Modules)
Fulcio allocates excessive memory during token parsing
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| github.com/sigstore/fulcio | Go Modules | 1.8.3 |
| tkn | Chainguard | 0.43.0-r2 |
| undock | Wolfi | 0.11.0-r2 |
| flux-source-controller | Wolfi | 1.7.4-r4 |
| zarf | Chainguard | 0.68.1-r0 |
| ratify-fips | Chainguard | 1.4.0-r9 |
| cosign-fips | Chainguard | 3.0.3-r0 |
| undock | Chainguard | 0.11.0-r2 |
| tekton-chains-fips | Chainguard | 0.26.0-r3 |
| chainctl | Chainguard | 0.2.194-r0 |
| cosign | Chainguard | 3.0.3-r0 |
| falco-no-driver | Wolfi | 0.43.0-r1 |
60 more packages have a fixed version. See every fix in Lookup.
Risk scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| chainguard | tkn | 0 |
| wolfi | undock | 0 |
| wolfi | flux-source-controller | 0 |
| chainguard | zarf | 0 |
| chainguard | ratify-fips | 0 |
| chainguard | cosign-fips | 0 |
| chainguard | undock | 0 |
| chainguard | tekton-chains-fips | 0 |
| chainguard | chainctl | 0 |
| chainguard | cosign | 0 |
| wolfi | falco-no-driver | 0 |
| chainguard | kyverno-1.15 | 0 |
| chainguard | skopeo | 0 |
| chainguard | tekton-chains | 0 |
| wolfi | tekton-chains | 0 |
| chainguard | sigstore-scaffolding | 0 |
| chainguard | buildah | 0 |
| chainguard | kyverno-fips-1.15 | 0 |
| chainguard | kyverno-notation-aws | 0 |
| chainguard | kyverno-notation-aws-fips | 0 |
…and 52 more
Timeline
- Dec 5, 2025 CVE Published
- Apr 9, 2026 Security Advisory
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln GHSA-F83F-XPX7-FFPW
vulnetix vdb fixes GHSA-F83F-XPX7-FFPWOr with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
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