CVE-2021-32256: gnu binutils Out-of-bounds Write
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-32256DEBIAN-CVE-2021-32256
Published 18-07-2023Last modified 28-10-2024
Vulnerability summary
CVE-2021-32256 is a medium (CVSS 6.5) Out-of-bounds Write vulnerability in gnu binutils. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 54% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
0.75%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 18-07-2023PublishedVulnerability first disclosed.
- 28-10-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in GNU libiberty, as distributed in GNU Binutils 2.36. It is a stack-overflow issue in demangle_type in rust-demangle.c.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.75%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
0.00 pp
From 0.75% on 19-09-2026
19-09-202619-10-2026
EPSS score0.75%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugs.launchpad.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- binutilsAll versions (No fix recorded)
Gnu1 product
- binutils2.36
Ubuntu1 product
- libibertyAll versions (No fix recorded)
3 vendors · 3 products
