CVE-2021-3530: gnu binutils Uncontrolled Recursion
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2021-3530DEBIAN-CVE-2021-3530
Published 02-06-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-3530 is a high (CVSS 7.5) Uncontrolled Recursion vulnerability in gnu binutils. EPSS estimates a 2.40% chance of exploitation in the next 30 days, higher than 83.7% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
2.40%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Duplicates 1 · Related 2Timeline
- 02-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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 metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.40%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
0.00 pp
From 2.40% on 18-09-2026
18-09-202618-10-2026
EPSS score2.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu2 products
- gdb< 12.1-0ubuntu1~22.04
- libibertyAll versions (No fix recorded)
Debian1 product
- binutils< 2.37.90.20220207-1
Gnu1 product
- binutils2.36
Netapp1 product
4 vendors · 5 products
References
8 links- src.fedoraproject.org/rpms/binutils/blob/rawhide/f/binutils-CVE-2021-3530.patchX Refsource MISCPatchThird Party Advisory