CVE-2026-1145: A flaw has been found in quickjs-ng quickjs up to 0.11.0

Q: How do I fix CVE-2026-1145?

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

Q: Is CVE-2026-1145 being exploited?

CVE-2026-1145 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-2026-1145 affect?

CVE-2026-1145 affects quickjs. Severity is medium (CVSS 6.3). A flaw has been found in quickjs-ng quickjs up to 0.11.0. Affected by this vulnerability is the function js_typed_array_constructor_ta of the file quickjs.c. This manipulation causes heap-based buffer overflow. The attack is possible to be

Q: How urgent is CVE-2026-1145?

Priority 36/100. Public exploit reference

Routine

MEDIUM 6.3UPGRADE

CVE-2026-1145 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 flaw has been found in quickjs-ng quickjs up to 0.11.0. Affected by this vulnerability is the function js_typed_array_constructor_ta of the file quickjs.c. This manipulation causes heap-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: 53aebe66170d545bb6265906fe4324e4477de8b4. It is suggested to install a patch to address 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 65%)
CISA exploited list	No
Weakness	CWE-119, CWE-122
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 09:16 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-2026-1145?

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

Is CVE-2026-1145 being exploited?

CVE-2026-1145 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-2026-1145 affect?

CVE-2026-1145 affects quickjs. Severity is medium (CVSS 6.3). A flaw has been found in quickjs-ng quickjs up to 0.11.0. Affected by this vulnerability is the function js_typed_array_constructor_ta of the file quickjs.c. This manipulation causes heap-based buffer overflow. The attack is possible to be

How urgent is CVE-2026-1145?

Priority 36/100. Public exploit reference

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References

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