CVE-2022-41957: Muhammara is a node module with c/cpp bindings to modify PDF with JavaScript for node or electron

Q: How do I fix CVE-2022-41957?

muhammara: upgrade to 2.6.2, 3.3.0; hummus: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2022-41957 being exploited?

CVE-2022-41957 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-41957 affect?

CVE-2022-41957 affects muhammara, hummus. Severity is high (CVSS 7.5). Muhammara is a node module with c/cpp bindings to modify PDF with JavaScript for node or electron. The package muhammara before 2.6.2 and from 3.0.0 and before 3.3.0, as well as all versions of muhammara's predecessor package hummus, are vu

Q: How urgent is CVE-2022-41957?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADEMITIGATE

CVE-2022-41957 is a high-severity flaw (CVSS 7.5) affecting muhammara, hummus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Muhammara is a node module with c/cpp bindings to modify PDF with JavaScript for node or electron. The package muhammara before 2.6.2 and from 3.0.0 and before 3.3.0, as well as all versions of muhammara's predecessor package hummus, are vulnerable to Denial of Service (DoS) when supplied with a maliciously crafted PDF file to be parsed. The issue has been patched in muhammara version 3.4.0 and the fix has been backported to version 2.6.2. As a w

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-690
Published	2022-11-28
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: hummus project · muhammara project

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

Am I affected?

Timeline

2022-11-28 15:15 UTCPublished CVE record published
2026-06-17 05:04 UTCUpdated Record last modified

muhammara project muhammara UPGRADE

Affected: < 2.6.2 · >= 3.0.0 and < 3.3.0

Fixed in: 2.6.2, 3.3.0

Safe to downgrade to: a release before 3.0.0

1. Check installed version

npm ls muhammara

2. UPGRADE to 2.6.2

npm install muhammara@">=2.6.2"

3. If no update is available yet, DOWNGRADE to a release before 3.0.0

npm view muhammara versions npm install muhammara@"<3.0.0"

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.

hummus project hummus MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls hummus

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2022-41957?

muhammara: upgrade to 2.6.2, 3.3.0; hummus: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-41957 being exploited?

CVE-2022-41957 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-2022-41957 affect?

CVE-2022-41957 affects muhammara, hummus. Severity is high (CVSS 7.5). Muhammara is a node module with c/cpp bindings to modify PDF with JavaScript for node or electron. The package muhammara before 2.6.2 and from 3.0.0 and before 3.3.0, as well as all versions of muhammara's predecessor package hummus, are vu

How urgent is CVE-2022-41957?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

Software pages

Electron vulnerabilities

Related CVEs

CVE-2022-25892 HIGH 7.5 UPGRADE The package muhammara before 2.6.1, from 3.0.0 and before 3.1.1; all versions of package hummus are vulnerable
CVE-2022-25885 HIGH 7.5 UPGRADE The package muhammara before 2.6.0; all versions of package hummus are vulnerable to Denial of Service (DoS) w

References

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