CVE-2021-3549

mediumpriority · track · 28EPSS 0.010 · 62 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.97% (62nd) EPSS

CVSS 5.8 · medium

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

An out of bounds flaw was found in GNU binutils objdump utility version 2.36. An attacker could use this flaw and pass a large section to avr_elf32_load_records_from_section() probably resulting in a crash or in some cases memory corruption. The highest threat from this vulnerability is to integrity as well as system availability.

cvss

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.8–7.1

v2.05.8mediumAV:N/AC:M/Au:N/C:N/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 4.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.2

v3.17.1highAV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-119USCWE-787US

affected products (6)

Products and version ranges known to be affected.

n/a Binutils≤ GNU binutils version 2.36enisa_euvdEU
GNU General Public License GNU Binutils≤ 2.36fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 12fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 11fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 10fstec_bduRU
gnu binutils= 2.36nvdUScpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2021-05-26modified 2026-06-17

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+16132 more

references (11)

External citations — patches, advisories, analysis.

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