Buffer overflow in GNU Binutils
CVE-2021-32256
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.007 (53.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- GNU Binutils — versions 2.36
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugs.launchpad.net/ubuntu/+source/binutils/+bug/1927070 (Exploit, Issue Tracking, Vendor Advisory)
- security.netapp.com/advisory/ntap-20230824-0013/
Frequently asked questions
- What is CVE-2021-32256?
- CVE-2021-32256 is a medium-severity vulnerability in GNU Binutils, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2023-07-18.
- How severe is CVE-2021-32256?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-32256 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.