CVE-2021-46174

Exp

Heap-based Buffer Overflow in function bfd_getl32 in Binutils objdump 3.37.

Published: 2023-08-22 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2021-46174 is rated High Exploit Risk (62.5/100): CVSS High severity, with low exploitation likelihood (EPSS 0.70%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2021-46174

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2021-46174

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.04% 0.70% +0.66%
2 2025-11-21 0.29% 0.04% -0.25%
3 2025-11-18 — 0.29% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-46174

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2021-46174

OS Trackers for CVE-2021-46174

vendor priority summary link
alpine high CVE-2021-46174: 1 source package rows (binutils); 16 state rows across 5 repos (3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 0, open 16. https://security.alpinelinux.org/vuln/CVE-2021-46174
debian unimportant CVE-2021-46174 unimportant priority: Debian including 1 source packages (binutils), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 4, open 1. https://security-tracker.debian.org/tracker/CVE-2021-46174
redhat low — https://access.redhat.com/security/cve/CVE-2021-46174
suse medium CVE-2021-46174 severity moderate: SUSE including 6 source package names (binutils, binutils-devel, binutils-devel-32bit, binutils-gold, libctf-nobfd0, libctf0), 133 product×package rows across 37 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 7, … (37 product lines)): Known Not Affected 133. https://www.suse.com/security/cve/CVE-2021-46174/
ubuntu medium CVE-2021-46174 medium priority: Ubuntu including 1 source packages (binutils), 8 status rows across 8 suites (bionic, focal, jammy, lunar, mantic, trusty, upstream, xenial): released 5, not-affected 3. https://ubuntu.com/security/CVE-2021-46174

Affected software / configurations for CVE-2021-46174

Vendor Product Version Raw CPE
gnu binutils < 2.38 cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*

References for CVE-2021-46174

cvelogic Threat Intelligence