libxml2 before 2.8.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted XML data.
結論預警: CVE-2012-0841 綜合評估為中等風險（50.5/100）：CVSS 技術影響為中級，利用機率（EPSS 3.26%） 強制指令: 梳理受影響資產並納入修補計畫。
風險隨態勢動態變化；本站持續評估並同步更新本頁展示內容。
EPSS 日更估計相對被利用可能性；百分位表示該 CVE 在已評分漏洞中的相對排名（越高表示相對更嚴重）。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化（新 − 舊） |
|---|---|---|---|---|
| 1 | 2026-07-02 | 3.17% | 3.26% | +0.09% |
| 2 | 2026-06-15 | 0.45% | 3.17% | +2.72% |
| 3 | 2026-06-07 | — | 0.45% | — |
完整 EPSS 歷史 （共 15 筆）
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2012-0841 not yet assigned priority: Debian including 1 source packages (libxml2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2012-0841 |
gentoo
|
normal | CVE-2012-0841: 1 GLSA(s) (201203-04), 1 atom(s) (dev-libs/libxml2); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-0841 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2012-0841 |
ubuntu
|
medium | CVE-2012-0841 medium priority: Ubuntu including 1 source packages (libxml2), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): released 5, needs-triage 1. | https://ubuntu.com/security/CVE-2012-0841 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| xmlsoft | libxml2 | <= 2.7.8 | cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.7.0 | cpe:2.3:a:xmlsoft:libxml2:1.7.0:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.7.1 | cpe:2.3:a:xmlsoft:libxml2:1.7.1:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.7.2 | cpe:2.3:a:xmlsoft:libxml2:1.7.2:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.7.3 | cpe:2.3:a:xmlsoft:libxml2:1.7.3:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.7.4 | cpe:2.3:a:xmlsoft:libxml2:1.7.4:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.8.0 | cpe:2.3:a:xmlsoft:libxml2:1.8.0:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.8.1 | cpe:2.3:a:xmlsoft:libxml2:1.8.1:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.8.2 | cpe:2.3:a:xmlsoft:libxml2:1.8.2:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.8.3 | cpe:2.3:a:xmlsoft:libxml2:1.8.3:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.8.4 | cpe:2.3:a:xmlsoft:libxml2:1.8.4:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.8.5 | cpe:2.3:a:xmlsoft:libxml2:1.8.5:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.8.6 | cpe:2.3:a:xmlsoft:libxml2:1.8.6:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.8.7 | cpe:2.3:a:xmlsoft:libxml2:1.8.7:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.8.9 | cpe:2.3:a:xmlsoft:libxml2:1.8.9:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.8.10 | cpe:2.3:a:xmlsoft:libxml2:1.8.10:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.8.13 | cpe:2.3:a:xmlsoft:libxml2:1.8.13:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.8.14 | cpe:2.3:a:xmlsoft:libxml2:1.8.14:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 1.8.16 | cpe:2.3:a:xmlsoft:libxml2:1.8.16:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.0.0 | cpe:2.3:a:xmlsoft:libxml2:2.0.0:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.1.0 | cpe:2.3:a:xmlsoft:libxml2:2.1.0:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.1.1 | cpe:2.3:a:xmlsoft:libxml2:2.1.1:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.2.0 | cpe:2.3:a:xmlsoft:libxml2:2.2.0:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.2.0 | cpe:2.3:a:xmlsoft:libxml2:2.2.0:beta:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.2.1 | cpe:2.3:a:xmlsoft:libxml2:2.2.1:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.2.2 | cpe:2.3:a:xmlsoft:libxml2:2.2.2:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.2.3 | cpe:2.3:a:xmlsoft:libxml2:2.2.3:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.2.4 | cpe:2.3:a:xmlsoft:libxml2:2.2.4:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.2.5 | cpe:2.3:a:xmlsoft:libxml2:2.2.5:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.2.6 | cpe:2.3:a:xmlsoft:libxml2:2.2.6:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.2.7 | cpe:2.3:a:xmlsoft:libxml2:2.2.7:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.2.8 | cpe:2.3:a:xmlsoft:libxml2:2.2.8:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.2.9 | cpe:2.3:a:xmlsoft:libxml2:2.2.9:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.2.10 | cpe:2.3:a:xmlsoft:libxml2:2.2.10:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.2.11 | cpe:2.3:a:xmlsoft:libxml2:2.2.11:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.3.0 | cpe:2.3:a:xmlsoft:libxml2:2.3.0:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.3.1 | cpe:2.3:a:xmlsoft:libxml2:2.3.1:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.3.2 | cpe:2.3:a:xmlsoft:libxml2:2.3.2:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.3.3 | cpe:2.3:a:xmlsoft:libxml2:2.3.3:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.3.4 | cpe:2.3:a:xmlsoft:libxml2:2.3.4:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.3.5 | cpe:2.3:a:xmlsoft:libxml2:2.3.5:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.3.6 | cpe:2.3:a:xmlsoft:libxml2:2.3.6:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.3.7 | cpe:2.3:a:xmlsoft:libxml2:2.3.7:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.3.8 | cpe:2.3:a:xmlsoft:libxml2:2.3.8:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.3.9 | cpe:2.3:a:xmlsoft:libxml2:2.3.9:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.3.10 | cpe:2.3:a:xmlsoft:libxml2:2.3.10:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.3.11 | cpe:2.3:a:xmlsoft:libxml2:2.3.11:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.3.12 | cpe:2.3:a:xmlsoft:libxml2:2.3.12:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.3.13 | cpe:2.3:a:xmlsoft:libxml2:2.3.13:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.3.14 | cpe:2.3:a:xmlsoft:libxml2:2.3.14:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.1 | cpe:2.3:a:xmlsoft:libxml2:2.4.1:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.2 | cpe:2.3:a:xmlsoft:libxml2:2.4.2:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.3 | cpe:2.3:a:xmlsoft:libxml2:2.4.3:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.4 | cpe:2.3:a:xmlsoft:libxml2:2.4.4:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.5 | cpe:2.3:a:xmlsoft:libxml2:2.4.5:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.6 | cpe:2.3:a:xmlsoft:libxml2:2.4.6:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.7 | cpe:2.3:a:xmlsoft:libxml2:2.4.7:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.8 | cpe:2.3:a:xmlsoft:libxml2:2.4.8:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.9 | cpe:2.3:a:xmlsoft:libxml2:2.4.9:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.10 | cpe:2.3:a:xmlsoft:libxml2:2.4.10:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.11 | cpe:2.3:a:xmlsoft:libxml2:2.4.11:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.12 | cpe:2.3:a:xmlsoft:libxml2:2.4.12:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.13 | cpe:2.3:a:xmlsoft:libxml2:2.4.13:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.14 | cpe:2.3:a:xmlsoft:libxml2:2.4.14:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.15 | cpe:2.3:a:xmlsoft:libxml2:2.4.15:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.16 | cpe:2.3:a:xmlsoft:libxml2:2.4.16:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.17 | cpe:2.3:a:xmlsoft:libxml2:2.4.17:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.18 | cpe:2.3:a:xmlsoft:libxml2:2.4.18:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.19 | cpe:2.3:a:xmlsoft:libxml2:2.4.19:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.20 | cpe:2.3:a:xmlsoft:libxml2:2.4.20:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.21 | cpe:2.3:a:xmlsoft:libxml2:2.4.21:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.22 | cpe:2.3:a:xmlsoft:libxml2:2.4.22:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.23 | cpe:2.3:a:xmlsoft:libxml2:2.4.23:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.24 | cpe:2.3:a:xmlsoft:libxml2:2.4.24:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.25 | cpe:2.3:a:xmlsoft:libxml2:2.4.25:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.26 | cpe:2.3:a:xmlsoft:libxml2:2.4.26:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.27 | cpe:2.3:a:xmlsoft:libxml2:2.4.27:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.28 | cpe:2.3:a:xmlsoft:libxml2:2.4.28:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.29 | cpe:2.3:a:xmlsoft:libxml2:2.4.29:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | 2.4.30 | cpe:2.3:a:xmlsoft:libxml2:2.4.30:*:*:*:*:*:*:* |