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CVE-2021-3549

24
FAUCET Score

CVE-2021-3549 describes an out-of-bounds flaw in GNU binutils objdump utility version 2.36. An attacker could exploit this by providing a large section to avr_elf32_load_records_from_section(), potentially causing a crash or memory corruption. This vulnerability has a CVSS score of 7.1 (HIGH), indicating a local attack vector with low complexity, and a significant impact on system integrity and availability. Currently, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.36CPE matchmatch criteria
cpe:2.3:a:gnu:binutils:2.36:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.97%
Probability of exploitation in next 30 days
EPSS Percentile
58.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0097 is in the 55th percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2021-3549Low

binutils: heap-based buffer overflow in avr_elf32_load_records_from_section() via large section parameter

Jan 31, 2021

References

security.netapp.com / advisory/ntap-20250228-0005
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
security.gentoo.org / glsa/202208-30
Third Party Advisory