7.5

CVE-2021-33196: debian debian_linux Improper Input Validation

Modified
AliasesRHSA-2021:2634UBUNTU-CVE-2021-33196DEBIAN-CVE-2021-33196
Published 02-08-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-33196 is a high (CVSS 7.5) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 3.46% chance of exploitation in the next 30 days, higher than 89% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (reference, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
3.46%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 16 · Related 7
DLA-2891-1DLA-2892-1DLA-3395-1MGASA-2021-0369OPENSUSE-SU-2021:0950-1OPENSUSE-SU-2021:2186-1

Timeline

  1. 02-08-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

3.46%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

No change 0.00 pp

From 3.46% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (groups.google.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat11 products
  • go-toolset-1.15< 0:1.15.13-1.el7_9
  • go-toolset-1.15-build< 0:1.15.13-1.el7_9
  • go-toolset-1.15-golang< 0:1.15.13-1.el7_9
  • go-toolset-1.15-golang-bin< 0:1.15.13-1.el7_9
  • go-toolset-1.15-golang-docs< 0:1.15.13-1.el7_9
Debian2 products
Ubuntu2 products
  • golang-1.16All versions (No fix recorded)
  • golang-1.8All versions (No fix recorded)
Alpine1 product
  • go≥ 1.16.0, < 1.15.13-r0 | ≥ 1.16.0, < 1.16.5-r0
Go1 product
  • stdlib≥ 1.16.0-0, < 1.16.5
Golang1 product
  • go< 1.15.13 | ≥ 1.16.0, < 1.16.5

6 vendors · 18 products

References

22 links
Show all 22 references