CVE-2021-20294
HIGH 7.8EPSS 3.3%
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 highest impact of this flaw is to confidentiality, integrity, and availability.
- Affected
- binutils
- CVSS v3.1 NVD
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P - EPSS
- 3.28% chance of exploitation in the next 30 days, 88th percentile
- Published
- 2021-04-29
- Updated
- 2024-08-03
Proof-of-concept exploits (1)
- tin-z/CVE-2021-20294-POC11★ · 2023-01-21
Security advisories
- https://bugzilla.redhat.com/show_bug.cgi?id=1943533
- https://security.gentoo.org/glsa/202208-30
- https://sourceware.org/bugzilla/show_bug.cgi?id=26929