CVE-2021-3530

HIGHNVD 7.57.5—

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 67.6%
KEV: Not listed

Published

June 2, 2021

Last Modified

November 21, 2024

References (8)

secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=1956423
secalert@redhathttps://security.gentoo.org/glsa/202208-30
secalert@redhathttps://security.netapp.com/advisory/ntap-20210716-0006/
secalert@redhathttps://src.fedoraproject.org/rpms/binutils/blob/rawhide/f/binutils-CVE-2021-3530.patch
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1956423
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202208-30
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210716-0006/
af854a3a-2127-422b-91ae-364da2661108https://src.fedoraproject.org/rpms/binutils/blob/rawhide/f/binutils-CVE-2021-3530.patch

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-674Uncontrolled Recursion

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 15:40 UTCEG score recompute
2026-05-26 15:40 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2021-3530?

CVE-2021-3530 is a high vulnerability published on June 2, 2021. 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.

When was CVE-2021-3530 disclosed?

CVE-2021-3530 was first published in the National Vulnerability Database on June 2, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-3530 actively exploited?

CVE-2021-3530 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 67.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-3530?

CVE-2021-3530 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2021-3530?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-3530, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-3530

Explore →

Is Your Infrastructure Affected by CVE-2021-3530?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2021-3530

📅 Published

🔄 Last Modified

🔗 References (8)