CVE-2021-3530
HIGHCVSS 7.5/10EPSS 2.40%
Last modified
CVE-2021-3530 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A flaw was discovered in GNU libiberty within demangle_path() in rust-demangle.c, as distributed in GNU Binutils version 2.36. A crafted symbol can cause stack memory to be exhausted leading to a crash.. EPSS estimates a 2.40% chance of exploitation in the next 30 days.
Description
A flaw was discovered in GNU libiberty within demangle_path() in rust-demangle.c, as distributed in GNU Binutils version 2.36. A crafted symbol can cause stack memory to be exhausted leading to a crash.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Binutils | 2.36 |
| Netapp | Ontap Select Deploy Administration Utility | All versions |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1956423Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202208-30Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210716-0006/Third Party Advisory
- https://src.fedoraproject.org/rpms/binutils/blob/rawhide/f/binutils-CVE-2021-3530.patchPatch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1956423Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202208-30Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210716-0006/Third Party Advisory
- https://src.fedoraproject.org/rpms/binutils/blob/rawhide/f/binutils-CVE-2021-3530.patchPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3530?
A flaw was discovered in GNU libiberty within demangle_path() in rust-demangle.c, as distributed in GNU Binutils version 2.36. A crafted symbol can cause stack memory to be exhausted leading to a crash.
How severe is CVE-2021-3530?
CVE-2021-3530 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.40% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3530?
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-2021-3530?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST