🛡️ CVE-2021-33198 — golang

🟠 CVSS 8.0 — High ✅ No Known Exploit OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Panic on inputs with large exponents in math/big

Rat.SetString and Rat.UnmarshalText may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents.

Affected software

CVE-2021-33198 is recorded against 2 packages.

  • golang
  • stdlib

Timeline and source

Published on 6 March 2024 and last revised on 3 April 2025. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

groups.google.com (Web)
groups.google.com (Web)
security.gentoo.org (Web)
nvd.nist.gov (Web)

CVE-2021-33198 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2024-03-06
Updated 2026-08-12
Modified 2025-04-03
Fix URL N/A

Affected Packages

Software From version Fixed in
golang — —
stdlib — —

Similar Threats

Site Security Check

Is golang part of your stack?

CVE-2021-33198 is rated CVSS 8.0 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.

Scan My Site Free →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.