CVE-2020-29367
HIGHCVSS 7.8/10EPSS 1.18%
Last modified
CVE-2020-29367 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. blosc2.c in Blosc C-Blosc2 through 2.0.0.beta.5 has a heap-based buffer overflow when there is a lack of space to write compressed data.. EPSS estimates a 1.18% chance of exploitation in the next 30 days.
Description
blosc2.c in Blosc C-Blosc2 through 2.0.0.beta.5 has a heap-based buffer overflow when there is a lack of space to write compressed data.
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 | Update |
|---|---|---|---|
| Blosc | C-Blosc2 | 2.0.0 | Alpha2 |
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26442Mailing List, Third Party Advisory
- https://github.com/Blosc/c-blosc2/commit/c4c6470e88210afc95262c8b9fcc27e30ca043eePatch, Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26442Mailing List, Third Party Advisory
- https://github.com/Blosc/c-blosc2/commit/c4c6470e88210afc95262c8b9fcc27e30ca043eePatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-29367?
blosc2.c in Blosc C-Blosc2 through 2.0.0.beta.5 has a heap-based buffer overflow when there is a lack of space to write compressed data.
How severe is CVE-2020-29367?
CVE-2020-29367 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.18% probability of exploitation in the next 30 days.
How do I fix CVE-2020-29367?
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-2020-29367?
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Scan your code nowSource: NVD / NIST