Improper input validation in Golang Go
CVE-2021-33196
In archive/zip in Go before 1.15.13 and 1.16.x before 1.16.5, a crafted file count (in an archive's header) can cause a NewReader or OpenReader panic.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
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: 0.035 (88.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
- Golang Go
- Debian Linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- groups.google.com/g/golang-announce (Third Party Advisory)
- groups.google.com/g/golang-announce/c/RgCMkAEQjSI (Exploit, Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/01/msg00016.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/01/msg00017.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202208-02 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/04/msg00021.html (mailing-list)
Frequently asked questions
- What is CVE-2021-33196?
- CVE-2021-33196 is a high-severity vulnerability in Golang Go, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-08-02.
- How severe is CVE-2021-33196?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-33196 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.