ghcr.io/linuxserver/bookstack:version-v21.12 container image

GitHub Container Registry

Scanned 14 Sept 2026

Deployed by 1 of 17,781 indexed charts (latest versions) at this tag.GitHub Container Registry all tags of ghcr.io/linuxserver/bookstack

ghcr.io/linuxserver/bookstack:version-v21.12 resolved to f05447347ff1, scanned 14 Sept 2026: 97 findings, 1 critical; deployed by 1 chart, among them bookstack.

Radar Score

1,269102471

97 findings on digest f05447347ff1 · scanned 14 Sept 2026

Radar Score is the sum of every finding’s contribution; the colour is the worst finding’s band.

Digests

1 digest

Tag	Digest	Used by	Last seen	Vulnerabilities	Radar Score
version-v21.12resolves to	f05447347ff1	1 chart	8 days ago	102471	1,269

Digests this tag resolved to in indexed charts’ default renders. A tag can move; the digest is what was scanned.

Low findings

71 distinct on this digest

Low: findings whose contribution to the Radar Score is 1–14. Show every band

Findings for digest f05447347ff1 as scanned on 14 Sept 2026 with syft 1.42.1 for linux/amd64, advisories as of 14 Sept 2026. Other architectures may differ.

Severity	Advisory	Package	Fixed in
Low	GHSA-g2gp-3wwq-f4ph	league/commonmark@1.6.6	2.9.0
Low	GHSA-jfm3-95jq-q3rf	league/commonmark@1.6.6	2.9.0
Low	GHSA-m557-wrgg-6rp4	phpseclib/phpseclib@3.0.12	3.0.54
Low	GHSA-cwxw-98qj-8qjx	guzzlehttp/guzzle@7.4.1	7.12.1
Low	GHSA-gjfg-22fp-rrxx	composer/composer@2.1.14	2.2.29
Low	GHSA-f7vp-7xgx-4w4r	guzzlehttp/guzzle@7.4.1	7.15.2
Low	GHSA-f283-ghqc-fg79	guzzlehttp/guzzle@7.4.1	7.15.1
Low	GHSA-94pj-82f3-465w	guzzlehttp/guzzle@7.4.1	7.14.2
Low	GHSA-x8cp-jf6f-r4xh	aws/aws-sdk-php@3.208.5	3.368.0
Low	GHSA-wpwq-4j6v-78m3	guzzlehttp/guzzle@7.4.1	7.12.1
Low	GHSA-34xg-wgjx-8xph	guzzlehttp/psr7@2.1.0	2.10.2
Low	GHSA-hq7v-mx3g-29hw	guzzlehttp/psr7@2.1.0	2.10.2
Low	GHSA-vm85-hxw5-5432	guzzlehttp/psr7@2.1.0	2.12.1
Low	GHSA-c2w2-prh8-qm98	guzzlehttp/psr7@2.1.0	2.12.3
Low	GHSA-r854-jrxh-36qx	phpseclib/phpseclib@3.0.12	3.0.51
Low	GHSA-g446-98w2-8p5w	guzzlehttp/guzzle@7.4.1	7.12.3
Low	GHSA-mrqx-rp3w-jpjp	symfony/http-foundation@v5.4.1	5.4.46
Low	GHSA-g6xq-892h-64w3	composer/composer@2.1.14	2.2.29
Low	GHSA-crmm-hgp2-wgrp	laravel/framework@v8.76.1	12.61.1
Low	GHSA-7x2p-4jvh-6384	dompdf/dompdf@v1.1.1	3.1.6
Low	GHSA-wvh6-f5jh-8gw4	dompdf/dompdf@v1.1.1	3.1.6

Used by

1 chart

Chart	Version	Tag	Containers
bookstackgeek-cookbookVerified publisher	5.2.0	version-v21.12	1

Counts are over the indexed charts’ latest versions, rendered with default values, and say nothing about images outside the indexed set.