CVEvulnerability
CVE-2021-20294
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-29
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-787
Description
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 configurations
• gnu binutils (>= 2.35 < 2.35.2)
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1943533 Issue Tracking, Third Party Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E lists.apache.org
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E lists.apache.org
- https://security.gentoo.org/glsa/202208-30 Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=26929 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://sourceware.org/git/?p=binutils-gdb.git%3Ba=patch%3Bh=372dd157272e0674d13372655cc60eaca9c06926 sourceware.org
- https://bugzilla.redhat.com/show_bug.cgi?id=1943533 Issue Tracking, Third Party Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E lists.apache.org
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E lists.apache.org
- https://security.gentoo.org/glsa/202208-30 Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=26929 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://sourceware.org/git/?p=binutils-gdb.git%3Ba=patch%3Bh=372dd157272e0674d13372655cc60eaca9c06926 sourceware.org