How severe is CVE-2026-0822?

CVE-2026-0822 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-0822 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-0822?

CVE-2026-0822 affects Quickjs-ng Quickjs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-0822?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-0822 have an EU (EUVD) identifier?

Yes. CVE-2026-0822 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1846.

When was CVE-2026-0822 published?

CVE-2026-0822 was published on 2026-01-10 and last updated on 2026-06-17.

CVE-2026-0822

CVE-2026-0822 is a medium-severity vulnerability in Quickjs-ng Quickjs with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 7.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1846
Weakness: CWE-787
Affected product: Quickjs-ng Quickjs
Published: 2026-01-10
Last modified: 2026-06-17

Description

A vulnerability was identified in quickjs-ng quickjs up to 0.11.0. This issue affects the function js_typed_array_sort of the file quickjs.c. The manipulation leads to heap-based buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The identifier of the patch is 53eefbcd695165a3bd8c584813b472cb4a69fbf5. To fix this issue, it is recommended to deploy a patch.

Frequently asked questions

What is CVE-2026-0822?: A vulnerability was identified in quickjs-ng quickjs up to 0.11.0. This issue affects the function js_typed_array_sort of the file quickjs.c. The manipulation leads to heap-based buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The identifier of the patch is 53eefbcd695165a3bd8c584813b472cb4a69fbf5. To fix this issue, it is recommended to deploy a patch.
How severe is CVE-2026-0822?: CVE-2026-0822 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-0822 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-0822?: CVE-2026-0822 affects Quickjs-ng Quickjs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-0822?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-0822 have an EU (EUVD) identifier?: Yes. CVE-2026-0822 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1846.
When was CVE-2026-0822 published?: CVE-2026-0822 was published on 2026-01-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:quickjs-ng:quickjs:*:*:*:*:*:*:*:*

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