CVE-2024-29896: Astro-Shield is a library to compute the subresource integrity hashes for your JS scripts and CSS stylesheets

This month

HIGH 7.5REMOTEDOWNGRADE

CVE-2024-29896 is a high-severity flaw (CVSS 7.5) affecting astro-shield. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Astro-Shield is a library to compute the subresource integrity hashes for your JS scripts and CSS stylesheets. When automated CSP headers generation for SSR content is enabled and the web application serves content that can be partially controlled by external users, then it is possible that the CSP headers generation feature might be "allow-listing" malicious injected resources like inlined JS, or references to external malicious scripts. The fix

Why this priority

High severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-74
Published	2024-03-28
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: kindspells

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-03-28 13:15 UTCPublished CVE record published
2026-06-17 07:23 UTCUpdated Record last modified

kindspells astro-shield DOWNGRADE

Affected: 1.2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.0

1. Check installed version

apt-cache policy astro-shield || rpm -q astro-shield || astro-shield --version

2. No fixed release: DOWNGRADE to a release before 1.2.0 (Debian / Ubuntu)

apt-cache madison astro-shield sudo apt install astro-shield=<VERSION_BEFORE_1.2.0> sudo apt-mark hold astro-shield

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list astro-shield sudo dnf downgrade astro-shield-<VERSION_BEFORE_1.2.0> sudo dnf versionlock add astro-shield

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-29896?

astro-shield: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-29896 being exploited?

CVE-2024-29896 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-29896 affect?

CVE-2024-29896 affects astro-shield. Severity is high (CVSS 7.5). Astro-Shield is a library to compute the subresource integrity hashes for your JS scripts and CSS stylesheets. When automated CSP headers generation for SSR content is enabled and the web application serves content that can be partially con

How urgent is CVE-2024-29896?

Priority 43/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-30250 HIGH 7.5 UPGRADE Astro-Shield is an integration to enhance website security with SubResource Integrity hashes, Content-Security

References

← Back to latest CVEs