CVE-2022-27007
nginx njs 0.7.2 is affected suffers from Use-after-free in njs_function_frame_alloc() when it try...
nginx njs 0.7.2 is affected suffers from Use-after-free in njs_function_frame_alloc() when it try to invoke from a restored frame saved with njs_function_frame_save().
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
nginx njs 0.7.2 is affected suffers from Use-after-free in njs_function_frame_alloc() when it try to invoke from a restored frame saved with njs_function_frame_save().
- Record
CVE-2022-27007- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE List No score
nginx njs 0.7.2 is affected suffers from Use-after-free in njs_function_frame_alloc() when it try to invoke from a restored frame saved with njs_function_frame_save().
- Record
CVE-2022-27007- Updated
- 2026-11-02
EUVDEUVD-2022-31547 No score
nginx njs 0.7.2 is affected suffers from Use-after-free in njs_function_frame_alloc() when it try to invoke from a restored frame saved with njs_function_frame_save().
- Record
EUVD-2022-31547- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5676-7fp6-4h94
9.8
nginx njs 0.7.2 is affected suffers from Use-after-free in njs_function_frame_alloc() when it try...
nginx njs 0.7.2 is affected suffers from Use-after-free in njs_function_frame_alloc() when it try to invoke from a restored frame saved with njs_function_frame_save().
- Record
GHSA-5676-7fp6-4h94- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
OSV No score
nginx njs 0.7.2 is affected suffers from Use-after-free in njs_function_frame_alloc() when it try to invoke from a restored frame saved with njs_function_frame_save().
- Record
CVE-2022-27007- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-27007 is a critical vulnerability (CVSS 9.8) in F5 Njs, published April 14, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.62%, the 76th percentile. No source names a fixed version.
References
github.com/nginx/njs/issues/469
github.com/nginx/njs/commit/ad48705bf1f04b4221a5f5b07715ac48b3160d53
security.netapp.com/advisory/ntap-20220519-0008
nvd.nist.gov/vuln/detail/CVE-2022-27007
github.com/advisories/GHSA-5676-7fp6-4h94
github.com/CVEProject/cvelistV5/tree/main/cves/2022/27xxx/CVE-2022-27007.json