Medium severity5.6NVD Advisory· Published Nov 16, 2020· Updated Jun 17, 2026
CVE-2020-7765
CVE-2020-7765
Description
This affects the package @firebase/util before 0.3.4. This vulnerability relates to the deepExtend function within the DeepCopy.ts file. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
@firebase/utilnpm | < 0.3.4 | 0.3.4 |
Affected products
3- @firebase/util/@firebase/utildescription
Patches
Vulnerability mechanics
References
5- github.com/firebase/firebase-js-sdk/commit/9cf727fcc3d049551b16ae0698ac33dc2fe45adanvdPatchThird Party AdvisoryWEB
- github.com/firebase/firebase-js-sdk/pull/4001nvdPatchThird Party AdvisoryWEB
- snyk.io/vuln/SNYK-JS-FIREBASEUTIL-1038324nvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-fpm5-vv97-jfwgghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-7765ghsaADVISORY
News mentions
0No linked articles in our index yet.