Buffer overflow in Gnu Binutils
CVE-2021-20294
A flaw was found in binutils readelf 2.35 program. An attacker who is able to convince a victim using readelf to read a crafted file could trigger a stack buffer overflow, out-of-bounds write of arbitrary data supplied by the attacker. The…
Vulnerability class: Buffer Overflow
EPSS: 0.034 (87.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Gnu Binutils
- N/a Binutils — versions binutils 2.35.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Exploit, Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (mailing-list)
- secalert@redhat.com (mailing-list)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com
Frequently asked questions
- What is CVE-2021-20294?
- CVE-2021-20294 is a high-severity vulnerability in Gnu Binutils, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-04-29.
- How severe is CVE-2021-20294?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-20294 known to be exploited?
- 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.