CVE-2026-1144: A vulnerability was detected in quickjs-ng quickjs up to 0.11.0

Q: How do I fix CVE-2026-1144?

quickjs: upgrade to newer than 0.11.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-1144 being exploited?

CVE-2026-1144 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-2026-1144 affect?

CVE-2026-1144 affects quickjs. Severity is medium (CVSS 6.3). A vulnerability was detected in quickjs-ng quickjs up to 0.11.0. Affected is an unknown function of the file quickjs.c of the component Atomics Ops Handler. The manipulation results in use after free. The attack can be executed remotely. Th

Q: How urgent is CVE-2026-1144?

Priority 36/100. Public exploit reference

Routine

MEDIUM 6.3UPGRADE

CVE-2026-1144 is a medium-severity flaw (CVSS 6.3) affecting quickjs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was detected in quickjs-ng quickjs up to 0.11.0. Affected is an unknown function of the file quickjs.c of the component Atomics Ops Handler. The manipulation results in use after free. The attack can be executed remotely. The exploit is now public and may be used. The patch is identified as ea3e9d77454e8fc9cb3ef3c504e9c16af5a80141. Applying a patch is advised to resolve this issue.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-119, CWE-416
Published	2026-01-19
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: quickjs-ng

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

Am I affected?

Timeline

2026-01-19 08:16 UTCPublished CVE record published
2026-06-17 10:15 UTCUpdated Record last modified

quickjs-ng quickjs UPGRADE

Affected: <= 0.11.0

Fixed in: newer than 0.11.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy quickjs || rpm -q quickjs || quickjs --version

2. UPGRADE to newer than 0.11.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade quickjs

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade quickjs

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2026-1144?

quickjs: upgrade to newer than 0.11.0. Exact commands for each OS are on this page.

Is CVE-2026-1144 being exploited?

CVE-2026-1144 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-2026-1144 affect?

CVE-2026-1144 affects quickjs. Severity is medium (CVSS 6.3). A vulnerability was detected in quickjs-ng quickjs up to 0.11.0. Affected is an unknown function of the file quickjs.c of the component Atomics Ops Handler. The manipulation results in use after free. The attack can be executed remotely. Th

How urgent is CVE-2026-1144?

Priority 36/100. Public exploit reference

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References

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