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-2021-33196.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.069 (93.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.069 · newest: 0.069 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- groups.google.com/g/golang-announce/c/dx9d7IOseHw (Third Party Advisory, Release Notes, Issue Tracking)
- security.netapp.com/advisory/ntap-20220217-0009/ (Third Party Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf
- lists.debian.org/debian-lts-announce/2023/04/msg00021.html (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.