CVE-2022-25139

CRITICALNVD 9.89.8—

9.8

njs through 0.7.0, used in NGINX, was discovered to contain a heap use-after-free in njs_await_fulfilled.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 66.5%
KEV: Not listed

Published

February 14, 2022

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated Jun 8, 2026

Patch available. Sources: github_commit.

generic

NetApp Product Security

https://security.netapp.com/advisory/ntap-20220303-0007/

generic

Heap UAF in njs_await_fulfilled · Issue #451 · nginx/njs · GitHub

https://github.com/nginx/njs/issues/451

github_commit Patch Available

commit 6a07c2156a07 (nginx/njs)

Patch available: nginx/njs 0.9.0 (contains commit 6a07c2156a07)

https://github.com/nginx/njs/commit/6a07c2156a07ef307b6dcf3c2ca8571a5f1af7a6

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-416Use After Free

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore

Frequently asked(5)

What is CVE-2022-25139?

CVE-2022-25139 is a critical vulnerability published on February 14, 2022. njs through 0.7.0, used in NGINX, was discovered to contain a heap use-after-free in njsawaitfulfilled.

When was CVE-2022-25139 disclosed?

CVE-2022-25139 was first published in the National Vulnerability Database on February 14, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-25139 actively exploited?

CVE-2022-25139 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-25139?

CVE-2022-25139 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2022-25139?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-25139, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-25139

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CVE-2022-25139

📅 Published

🔄 Last Modified

📋 Advisory Details (3)