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.
総合評価: CVE-2021-3549 は中リスク（49.1/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 0.97%、57 パーセンタイル） 推奨対応: 影響資産を整理し、修補計画に組み込んでください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置（高いほど相対的に深刻）を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.35% | 0.97% | +0.63% |
| 2 | 2026-04-08 | 0.19% | 0.35% | +0.15% |
| 3 | 2026-01-31 | — | 0.19% | — |
EPSS の全履歴 （全 14 件）
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 7.1 | 3.1 | HIGH |
|
1.8 | 5.2 | [email protected] |
| 5.8 | 2.0 | MEDIUM |
|
8.6 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2021-3549 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-2021-3549 |
gentoo
|
normal | CVE-2021-3549: 1 GLSA(s) (202208-30), 2 atom(s) (sys-devel/binutils, sys-libs/binutils-libs); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2021-3549 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2021-3549 |
suse
|
high | CVE-2021-3549 severity important: SUSE including 5 source package names (binutils, binutils-devel, binutils-devel-32bit, libctf-nobfd0, libctf0), 110 product×package rows across 36 product lines (HPE Helion OpenStack 8, SUSE CaaS Platform 4.0, … (36 product lines)): Known Not Affected 110. | https://www.suse.com/security/cve/CVE-2021-3549/ |
ubuntu
|
low | CVE-2021-3549 low priority: Ubuntu including 1 source packages (binutils), 9 status rows across 9 suites (bionic, focal, groovy, hirsute, impish, jammy, trusty, upstream, xenial): not-affected 5, released 3, ignored 1. | https://ubuntu.com/security/CVE-2021-3549 |
| URL | タグ |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1960717 | Issue Tracking Patch Third Party Advisory |
| https://security.gentoo.org/glsa/202208-30 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20250228-0005/ |