CVE-2021-32282: An issue was discovered in gravity through 0.8.1

Q: How do I fix CVE-2021-32282?

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

Q: Is CVE-2021-32282 being exploited?

CVE-2021-32282 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-2021-32282 affect?

CVE-2021-32282 affects gravity. Severity is medium (CVSS 5.5). An issue was discovered in gravity through 0.8.1. A NULL pointer dereference exists in the function ircode_add_check() located in gravity_ircode.c. It allows an attacker to cause Denial of Service.

Q: How urgent is CVE-2021-32282?

Priority 37/100. Public exploit reference

Routine

MEDIUM 5.5UPGRADE

CVE-2021-32282 is a medium-severity flaw (CVSS 5.5) 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 NULL pointer dereference exists in the function ircode_add_check() located in gravity_ircode.c. It allows an attacker to cause Denial of Service.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-476
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-2021-32282?

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

Is CVE-2021-32282 being exploited?

CVE-2021-32282 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-2021-32282 affect?

CVE-2021-32282 affects gravity. Severity is medium (CVSS 5.5). An issue was discovered in gravity through 0.8.1. A NULL pointer dereference exists in the function ircode_add_check() located in gravity_ircode.c. It allows an attacker to cause Denial of Service.

How urgent is CVE-2021-32282?

Priority 37/100. 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-2021-32281 HIGH 7.8 UPGRADE An issue was discovered in gravity through 0.8.1

References

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