CVE-2020-14938: An issue was discovered in map.c in FreedroidRPG 1.0rc2

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2020-14938 is a critical-severity flaw (CVSS 9.8) affecting freedroidrpg. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in map.c in FreedroidRPG 1.0rc2. It assumes lengths of data sets read from saved game files. It copies data from a file into a fixed-size heap-allocated buffer without size verification, leading to a heap-based buffer overflow.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-787
Published	2020-06-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: freedroid

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

Am I affected?

Timeline

2020-06-23 10:15 UTCPublished CVE record published
2026-06-17 02:55 UTCUpdated Record last modified

freedroid freedroidrpg DOWNGRADE

Affected: 1.0 rc2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison freedroidrpg sudo apt install freedroidrpg=<VERSION_BEFORE_1.0> sudo apt-mark hold freedroidrpg

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list freedroidrpg sudo dnf downgrade freedroidrpg-<VERSION_BEFORE_1.0> sudo dnf versionlock add freedroidrpg

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2020-14938?

freedroidrpg: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-14938 being exploited?

CVE-2020-14938 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-2020-14938 affect?

CVE-2020-14938 affects freedroidrpg. Severity is critical (CVSS 9.8). An issue was discovered in map.c in FreedroidRPG 1.0rc2. It assumes lengths of data sets read from saved game files. It copies data from a file into a fixed-size heap-allocated buffer without size verification, leading to a heap-based buffe

How urgent is CVE-2020-14938?

Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2020-14939 HIGH 7.8 DOWNGRADE An issue was discovered in savestruct_internal.c in FreedroidRPG 1.0rc2

References

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