CVE-2021-32281: An issue was discovered in gravity through 0.8.1

Q: How do I fix CVE-2021-32281?

gravity: upgrade to newer than 0.8.1. Exact commands for each OS are on this page.

Q: Is CVE-2021-32281 being exploited?

CVE-2021-32281 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-32281 affect?

CVE-2021-32281 affects gravity. Severity is high (CVSS 7.8). An issue was discovered in gravity through 0.8.1. A heap-buffer-overflow exists in the function gnode_function_add_upvalue located in gravity_ast.c. It allows an attacker to cause code Execution.

Q: How urgent is CVE-2021-32281?

Priority 48/100. High severity; Public exploit reference

This month

HIGH 7.8UPGRADE

CVE-2021-32281 is a high-severity flaw (CVSS 7.8) affecting gravity. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in gravity through 0.8.1. A heap-buffer-overflow exists in the function gnode_function_add_upvalue located in gravity_ast.c. It allows an attacker to cause code Execution.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.1% (top 36%)
CISA exploited list	No
Weakness	CWE-787
Published	2021-09-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: creolabs

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-09-20 16:15 UTCPublished CVE record published
2026-06-17 03:52 UTCUpdated Record last modified

creolabs gravity UPGRADE

Affected: <= 0.8.1

Fixed in: newer than 0.8.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy gravity || rpm -q gravity || gravity --version

2. UPGRADE to newer than 0.8.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade gravity

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gravity

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-32281?

gravity: upgrade to newer than 0.8.1. Exact commands for each OS are on this page.

Is CVE-2021-32281 being exploited?

CVE-2021-32281 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-32281 affect?

CVE-2021-32281 affects gravity. Severity is high (CVSS 7.8). An issue was discovered in gravity through 0.8.1. A heap-buffer-overflow exists in the function gnode_function_add_upvalue located in gravity_ast.c. It allows an attacker to cause code Execution.

How urgent is CVE-2021-32281?

Priority 48/100. High severity; Public exploit reference

Related CVEs

CVE-2021-32285 MEDIUM 5.5 UPGRADE An issue was discovered in gravity through 0.8.1
CVE-2021-32284 HIGH 7.8 UPGRADE An issue was discovered in gravity through 0.8.1
CVE-2021-32283 MEDIUM 5.5 UPGRADE An issue was discovered in gravity through 0.8.1
CVE-2021-32282 MEDIUM 5.5 UPGRADE An issue was discovered in gravity through 0.8.1

References

← Back to latest CVEs