CVE-2020-35493

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.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-25)

CWE

CWE-20

Published

2021-01-04

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Affected

• broadcom:brocade_fabric_operating_system_firmware
• fedoraproject:fedora
• gnu:binutils
• netapp:cloud_backup
• netapp:hci_compute_node_firmware
• netapp:ontap_select_deploy_administration_utility
• netapp:solidfire\,_enterprise_sds_\&_hci_storage_node
• netapp:solidfire_\&_hci_management_node

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1911437
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4KOK3QWSVOUJWJ54HVGIFWNLWQ5ZY4S6/
• https://security.gentoo.org/glsa/202107-24
• https://security.netapp.com/advisory/ntap-20210212-0007/
• https://bugzilla.redhat.com/show_bug.cgi?id=1911437

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