CVE-2020-35493
Summary
| CVE | CVE-2020-35493 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-01-04 15:15:12 UTC |
| Updated | 2026-10-08 22:16:59 UTC |
| Description | A flaw exists in binutils in bfd/pef.c. An attacker who is able to submit a crafted PEF file to be parsed by objdump could cause a heap buffer overflow -> out-of-bounds read that could lead to an impact to application availability. This flaw affects binutils versions prior to 2.34. |
Risk And Classification
Primary CVSS: v3.1 5.5 MEDIUM from [email protected]
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS: 0.011380000 probability, percentile 0.662650000 (date 2026-10-21)
Problem Types: CWE-20 | CWE-20 CWE-20->CWE-122->CWE-125
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 5.5 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:M/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Broadcom | Brocade Fabric Operating System Firmware | - | All | All | All |
| Operating System | Fedoraproject | Fedora | 32 | All | All | All |
| Application | Gnu | Binutils | All | All | All | All |
| Application | Netapp | Cloud Backup | - | All | All | All |
| Hardware | Netapp | Hci Compute Node | - | All | All | All |
| Operating System | Netapp | Hci Compute Node Firmware | - | All | All | All |
| Application | Netapp | Ontap Select Deploy Administration Utility | - | All | All | All |
| Application | Netapp | Solidfire Enterprise Sds Hci Storage Node | - | All | All | All |
| Application | Netapp | Solidfire Hci Management Node | - | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| [SECURITY] Fedora 32 Update: mingw-binutils-2.32-9.fc32 - package-announce - Fedora Mailing-Lists | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | |
| Binutils: Multiple vulnerabilities (GLSA 202107-24) — Gentoo security | af854a3a-2127-422b-91ae-364da2661108 | security.gentoo.org | Third Party Advisory |
| 1911437 – (CVE-2020-35493) CVE-2020-35493 binutils: heap-based buffer overflow in bfd_pef_parse_function_stubs function in bfd/pef.c via crafted PEF file | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | Exploit, Issue Tracking, Patch, Third Party Advisory |
| January 2021 GNU Binutils Vulnerabilities in NetApp Products | NetApp Product Security | af854a3a-2127-422b-91ae-364da2661108 | security.netapp.com | Third Party Advisory |
| [SECURITY] Fedora 32 Update: mingw-binutils-2.32-9.fc32 - package-announce - Fedora Mailing-Lists | MITRE | lists.fedoraproject.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 670170 EulerOS Security Update for binutils (EulerOS-SA-2021-1670)
- 670363 EulerOS Security Update for binutils (EulerOS-SA-2021-1767)
- 710052 Gentoo Linux Binutils Multiple vulnerabilities (GLSA 202107-24)
- 751313 SUSE Enterprise Linux Security Update for binutils (SUSE-SU-2021:3593-1)
- 751321 SUSE Enterprise Linux Security Update for binutils (SUSE-SU-2021:3616-1)
- 751331 OpenSUSE Security Update for binutils (openSUSE-SU-2021:3616-1)
- 751350 OpenSUSE Security Update for binutils (openSUSE-SU-2021:1475-1)
- 751916 SUSE Enterprise Linux Security Update for binutils (SUSE-SU-2022:0934-1)
- 900216 CBL-Mariner Linux Security Update for binutils 2.32
- 903627 Common Base Linux Mariner (CBL-Mariner) Security Update for binutils (3716)