CVE-2023-31518
A heap use-after-free in the component CDataFileReader::GetItem of teeworlds v0.7.5 allows...
A heap use-after-free in the component CDataFileReader::GetItem of teeworlds v0.7.5 allows attackers to cause a Denial of Service (DoS) via a crafted map file.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
5.5
A heap use-after-free in the component CDataFileReader::GetItem of teeworlds v0.7.5 allows attackers to cause a Denial of Service (DoS) via a crafted map file.
- Record
CVE-2023-31518- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE List
5.5
A heap use-after-free in the component CDataFileReader::GetItem of teeworlds v0.7.5 allows attackers to cause a Denial of Service (DoS) via a crafted map file.
- Record
CVE-2023-31518- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
EUVDEUVD-2023-35821
5.5
A heap use-after-free in the component CDataFileReader::GetItem of teeworlds v0.7.5 allows attackers to cause a Denial of Service (DoS) via a crafted map file.
- Record
EUVD-2023-35821- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rgg3-6345-v5q4
5.5
A heap use-after-free in the component CDataFileReader::GetItem of teeworlds v0.7.5 allows...
A heap use-after-free in the component CDataFileReader::GetItem of teeworlds v0.7.5 allows attackers to cause a Denial of Service (DoS) via a crafted map file.
- Record
GHSA-rgg3-6345-v5q4- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
OSV
5.5
A heap use-after-free in the component CDataFileReader::GetItem of teeworlds v0.7.5 allows attackers to cause a Denial of Service (DoS) via a crafted map file.
- Record
CVE-2023-31518- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2023-31518
5.5
A heap use-after-free in the component CDataFileReader::GetItem of teeworlds v0.7.5 allows attackers to cause a Denial of Service (DoS) via a crafted map file.
- Record
DEBIAN-CVE-2023-31518- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-31518
5.5
A heap use-after-free in the component CDataFileReader::GetItem of teeworlds v0.7.5 allows attackers to cause a Denial of Service (DoS) via a crafted map file.
- Record
UBUNTU-CVE-2023-31518- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
teeworldsDebian:12 |
All versions, plus listed versions 0.7.5-20.7.5-3 |
None known |
teeworldsDebian:13 |
All versions, plus listed versions 0.7.5-20.7.5-3 |
None known |
teeworldsDebian:14 |
All versions, plus listed versions 0.7.5-20.7.5-3 |
None known |
teeworldsUbuntu:22.04:LTS |
All versions, plus listed versions 0.7.5-1 |
None known |
teeworldsUbuntu:24.04:LTS |
All versions, plus listed versions 0.7.5-2 |
None known |
teeworldsUbuntu:25.10 |
All versions, plus listed versions 0.7.5-2 |
None known |
teeworldsUbuntu:26.10 |
All versions, plus listed versions 0.7.5-3 |
None known |
teeworldsUbuntu:26.04:LTS |
All versions, plus listed versions 0.7.5-20.7.5-3 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-31518 is a medium vulnerability (CVSS 5.5) in Teeworlds, published May 23, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 25th percentile. No source names a fixed version.
References
mmmds.pl/fuzzing-map-parser-part-1-teeworlds
github.com/teeworlds/teeworlds/issues/2970
gist.github.com/manba-bryant/9ca95d69c65f4d2c55946932c946fb9b
nvd.nist.gov/vuln/detail/CVE-2023-31518
github.com/advisories/GHSA-rgg3-6345-v5q4
github.com/CVEProject/cvelistV5/tree/main/cves/2023/31xxx/CVE-2023-31518.json
security-tracker.debian.org/tracker/CVE-2023-31518
ubuntu.com/security/CVE-2023-31518
cve.org/CVERecord?id=CVE-2023-31518