CVE-2020-35511
HIGHCVSS 7.8/10EPSS 0.35%
Last modified
CVE-2020-35511 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
Description
A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libpng | Pngcheck | 2.4.0 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
References
- http://www.libpng.org/pub/png/apps/pngcheck.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00024.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5300Third Party Advisory
- http://www.libpng.org/pub/png/apps/pngcheck.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00024.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5300Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-35511?
A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file.
How severe is CVE-2020-35511?
CVE-2020-35511 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2020-35511?
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-2020-35511?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST