CVE-2023-31518
CVE-2023-31518 is a medium-severity vulnerability in Teeworlds with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (24th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-416
- Affected product: Teeworlds
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2023-31518?
- 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.
- How severe is CVE-2023-31518?
- CVE-2023-31518 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-31518 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-31518?
- CVE-2023-31518 affects Teeworlds. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-31518?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-31518 published?
- CVE-2023-31518 was published on 2023-05-23 and last updated on 2026-06-17.
References
- https://gist.github.com/manba-bryant/9ca95d69c65f4d2c55946932c946fb9b
- https://github.com/teeworlds/teeworlds/issues/2970
- https://mmmds.pl/fuzzing-map-parser-part-1-teeworlds/
Affected products (1)
- cpe:2.3:a:teeworlds:teeworlds:0.7.5:*:*:*:*:*:*:*
More vulnerabilities in Teeworlds
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- CVE-2019-10877 — Critical (CVSS 9.8): In Teeworlds 0.7.2, there is an integer overflow in CMap::Load() in engine/shared/map.cpp that can lead to a buffer…
- CVE-2019-10879 — Critical (CVSS 9.8): In Teeworlds 0.7.2, there is an integer overflow in CDataFileReader::Open() in engine/shared/datafile.cpp that can lead…
- CVE-2019-10878 — Critical (CVSS 9.8): In Teeworlds 0.7.2, there is a failed bounds check in CDataFileReader::GetData() and CDataFileReader::ReplaceData() and…
- CVE-2016-9400 — Critical (CVSS 9.8): The CClient::ProcessServerPacket method in engine/client/client.cpp in Teeworlds before 0.6.4 allows remote servers to…
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