What is CVE-2021-39293?

CVE-2021-39293 is a high-severity vulnerability in Golang Go, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2022-01-24.

How severe is CVE-2021-39293?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-39293 known to be exploited?

6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Golang Go

CVE-2021-39293

In archive/zip in Go before 1.16.8 and 1.17.x before 1.17.1, a crafted archive header (falsely designating that many files are present) can cause a NewReader or OpenReader panic. NOTE: this issue exists because of an incomplete fix for CVE…

EPSS: 0.069 (93.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

References

cve@mitre.org (Third Party Advisory, Release Notes, Issue Tracking)
cve@mitre.org (Third Party Advisory)
cve@mitre.org
cve@mitre.org (mailing-list)

Frequently asked questions

What is CVE-2021-39293?: CVE-2021-39293 is a high-severity vulnerability in Golang Go, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2022-01-24.
How severe is CVE-2021-39293?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-39293 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.