CVE-2021-3530
A crafted symbol can cause stack memory to be exhausted leading to a crash.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.40% probability · 84th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-674
- Affected
- gnu/binutils · netapp/ontap select deploy administration utility
- Source
- secalert@redhat.com
EPSS 2.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.