CVE-2021-33294
MEDIUMCVSS 5.5/10EPSS 0.27%
Last modified
CVE-2021-33294 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to cause a denial of service (infinite loop) via crafted file.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
In elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to cause a denial of service (infinite loop) via crafted file.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Elfutils Project | Elfutils | 0.183 |
References
- https://sourceware.org/bugzilla/show_bug.cgi?id=27501Exploit, Issue Tracking
- https://sourceware.org/pipermail/elfutils-devel/2021q1/003607.htmlMailing List, Patch
- https://sourceware.org/bugzilla/show_bug.cgi?id=27501Exploit, Issue Tracking
- https://sourceware.org/pipermail/elfutils-devel/2021q1/003607.htmlMailing List, Patch
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33294?
In elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to cause a denial of service (infinite loop) via crafted file.
How severe is CVE-2021-33294?
CVE-2021-33294 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33294?
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-2021-33294?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST