CVE-2020-27818
LOWCVSS 3.3/10EPSS 1.20%
Last modified
CVE-2020-27818 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application availability.. EPSS estimates a 1.20% chance of exploitation in the next 30 days.
Description
A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application availability.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libpng | Pngcheck | 2.4.0 |
| Fedoraproject | Extra Packages For Enterprise Linux | 7.0 |
| Fedoraproject | Extra Packages For Enterprise Linux | 8.0 |
| Fedoraproject | Fedora | 31 |
| Fedoraproject | Fedora | 32 |
| Fedoraproject | Fedora | 33 |
| Fedoraproject | Fedora | 34 |
| Debian | Debian Linux | 9.0 |
References
- https://bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26Third Party Advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72Third Party Advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926aThird Party Advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4fThird Party Advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397adThird Party Advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-6c93c61069Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1902011Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/05/msg00043.htmlMailing List, Third Party Advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26Third Party Advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72Third Party Advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926aThird Party Advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4fThird Party Advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397adThird Party Advisory
- https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-6c93c61069Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1902011Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/05/msg00043.htmlMailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-27818?
A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application availability.
How severe is CVE-2020-27818?
CVE-2020-27818 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.
How do I fix CVE-2020-27818?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-27818?
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Scan your code nowSource: NVD / NIST