libxml2 2.9.0-rc1 and earlier, as used in Google Chrome before 21.0.1180.89, does not properly support a cast of an unspecified variable during handling of XSL transforms, which allows remote attackers to cause a denial of service or possibly have unknown other impact via a crafted document, related to the _xmlNs data structure in include/libxml/tree.h.
结论预警: CVE-2012-2871 综合评估为中等风险（57.7/100）：CVSS 技术影响为中级，利用概率（EPSS 2.38%） 核心证据: 近一日 EPSS 上升 +1.93%，被利用关注度持续升高。 强制指令: 梳理受影响资产并纳入修补计划。
风险随态势动态变化；本站持续评估并同步更新本页展示内容。
EPSS 日更估计相对被利用可能性；百分位表示该 CVE 在已评分漏洞中的相对排名（越高表示相对更严重）。
| # | 日期 | 旧 EPSS 分数 | 新 EPSS 分数 | 变化（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.45% | 2.38% | +1.93% |
| 2 | 2026-06-08 | 0.78% | 0.45% | -0.34% |
| 3 | 2026-02-05 | — | 0.78% | — |
完整 EPSS 历史 （共 13 条）
该 CVE 的 CVSS 指标。
| 底座分 | 版本 | 严重度 | 向量 | 可利用性 | 影响 | 分数来源 |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2012-2871 not yet assigned priority: Debian including 1 source packages (libxslt), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2012-2871 |
gentoo
|
normal | CVE-2012-2871: 1 GLSA(s) (201311-06), 1 atom(s) (dev-libs/libxml2); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-2871 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2012-2871 |
ubuntu
|
low | CVE-2012-2871 low priority: Ubuntu including 2 source packages (chromium-browser, libxslt), 14 status rows across 7 suites (hardy, lucid, natty, oneiric, precise, quantal, upstream): released 10, DNE 1, ignored 1, needs-triage 1, not-affected 1. | https://ubuntu.com/security/CVE-2012-2871 |
: Per: http://cwe.mitre.org/data/definitions/704.html 'CWE-704: Incorrect Type Conversion or Cast'
| 厂商 | 产品 | 版本 | 原始 CPE |
|---|---|---|---|
| apple | iphone_os | <= 6.1.4 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | iphone_os | 1.0.0 | cpe:2.3:o:apple:iphone_os:1.0.0:*:*:*:*:*:*:* |
| apple | iphone_os | 1.0.1 | cpe:2.3:o:apple:iphone_os:1.0.1:*:*:*:*:*:*:* |
| apple | iphone_os | 1.0.2 | cpe:2.3:o:apple:iphone_os:1.0.2:*:*:*:*:*:*:* |
| apple | iphone_os | 1.1.0 | cpe:2.3:o:apple:iphone_os:1.1.0:*:*:*:*:*:*:* |
| apple | iphone_os | 1.1.1 | cpe:2.3:o:apple:iphone_os:1.1.1:*:*:*:*:*:*:* |
| apple | iphone_os | 1.1.2 | cpe:2.3:o:apple:iphone_os:1.1.2:*:*:*:*:*:*:* |
| apple | iphone_os | 1.1.3 | cpe:2.3:o:apple:iphone_os:1.1.3:*:*:*:*:*:*:* |
| apple | iphone_os | 1.1.4 | cpe:2.3:o:apple:iphone_os:1.1.4:*:*:*:*:*:*:* |
| apple | iphone_os | 1.1.5 | cpe:2.3:o:apple:iphone_os:1.1.5:*:*:*:*:*:*:* |
| apple | iphone_os | 2.0 | cpe:2.3:o:apple:iphone_os:2.0:*:*:*:*:*:*:* |
| apple | iphone_os | 2.0.0 | cpe:2.3:o:apple:iphone_os:2.0.0:*:*:*:*:*:*:* |
| apple | iphone_os | 2.0.1 | cpe:2.3:o:apple:iphone_os:2.0.1:*:*:*:*:*:*:* |
| apple | iphone_os | 2.0.2 | cpe:2.3:o:apple:iphone_os:2.0.2:*:*:*:*:*:*:* |
| apple | iphone_os | 2.1 | cpe:2.3:o:apple:iphone_os:2.1:*:*:*:*:*:*:* |
| apple | iphone_os | 2.1.1 | cpe:2.3:o:apple:iphone_os:2.1.1:*:*:*:*:*:*:* |
| apple | iphone_os | 2.2 | cpe:2.3:o:apple:iphone_os:2.2:*:*:*:*:*:*:* |
| apple | iphone_os | 2.2.1 | cpe:2.3:o:apple:iphone_os:2.2.1:*:*:*:*:*:*:* |
| apple | iphone_os | 3.0 | cpe:2.3:o:apple:iphone_os:3.0:*:*:*:*:*:*:* |
| apple | iphone_os | 3.0.1 | cpe:2.3:o:apple:iphone_os:3.0.1:*:*:*:*:*:*:* |
| apple | iphone_os | 3.1 | cpe:2.3:o:apple:iphone_os:3.1:*:*:*:*:*:*:* |
| apple | iphone_os | 3.1.2 | cpe:2.3:o:apple:iphone_os:3.1.2:*:*:*:*:*:*:* |
| apple | iphone_os | 3.1.3 | cpe:2.3:o:apple:iphone_os:3.1.3:*:*:*:*:*:*:* |
| apple | iphone_os | 3.2 | cpe:2.3:o:apple:iphone_os:3.2:*:*:*:*:*:*:* |
| apple | iphone_os | 3.2.1 | cpe:2.3:o:apple:iphone_os:3.2.1:*:*:*:*:*:*:* |
| apple | iphone_os | 3.2.2 | cpe:2.3:o:apple:iphone_os:3.2.2:*:*:*:*:*:*:* |
| apple | iphone_os | 4.0 | cpe:2.3:o:apple:iphone_os:4.0:*:*:*:*:*:*:* |
| apple | iphone_os | 4.0.1 | cpe:2.3:o:apple:iphone_os:4.0.1:*:*:*:*:*:*:* |
| apple | iphone_os | 4.0.2 | cpe:2.3:o:apple:iphone_os:4.0.2:*:*:*:*:*:*:* |
| apple | iphone_os | 4.1 | cpe:2.3:o:apple:iphone_os:4.1:*:*:*:*:*:*:* |
| apple | iphone_os | 4.2.1 | cpe:2.3:o:apple:iphone_os:4.2.1:*:*:*:*:*:*:* |
| apple | iphone_os | 4.2.5 | cpe:2.3:o:apple:iphone_os:4.2.5:*:*:*:*:*:*:* |
| apple | iphone_os | 4.2.8 | cpe:2.3:o:apple:iphone_os:4.2.8:*:*:*:*:*:*:* |
| apple | iphone_os | 4.3.0 | cpe:2.3:o:apple:iphone_os:4.3.0:*:*:*:*:*:*:* |
| apple | iphone_os | 4.3.1 | cpe:2.3:o:apple:iphone_os:4.3.1:*:*:*:*:*:*:* |
| apple | iphone_os | 4.3.2 | cpe:2.3:o:apple:iphone_os:4.3.2:*:*:*:*:*:*:* |
| apple | iphone_os | 4.3.3 | cpe:2.3:o:apple:iphone_os:4.3.3:*:*:*:*:*:*:* |
| apple | iphone_os | 4.3.5 | cpe:2.3:o:apple:iphone_os:4.3.5:*:*:*:*:*:*:* |
| apple | iphone_os | 5.0 | cpe:2.3:o:apple:iphone_os:5.0:*:*:*:*:*:*:* |
| apple | iphone_os | 5.0.1 | cpe:2.3:o:apple:iphone_os:5.0.1:*:*:*:*:*:*:* |
| apple | iphone_os | 5.1 | cpe:2.3:o:apple:iphone_os:5.1:*:*:*:*:*:*:* |
| apple | iphone_os | 5.1.1 | cpe:2.3:o:apple:iphone_os:5.1.1:*:*:*:*:*:*:* |
| apple | iphone_os | 6.0 | cpe:2.3:o:apple:iphone_os:6.0:*:*:*:*:*:*:* |
| apple | iphone_os | 6.0.1 | cpe:2.3:o:apple:iphone_os:6.0.1:*:*:*:*:*:*:* |
| apple | iphone_os | 6.0.2 | cpe:2.3:o:apple:iphone_os:6.0.2:*:*:*:*:*:*:* |
| apple | iphone_os | 6.1 | cpe:2.3:o:apple:iphone_os:6.1:*:*:*:*:*:*:* |
| apple | iphone_os | 6.1.2 | cpe:2.3:o:apple:iphone_os:6.1.2:*:*:*:*:*:*:* |
| apple | iphone_os | 6.1.3 | cpe:2.3:o:apple:iphone_os:6.1.3:*:*:*:*:*:*:* |
| chrome | <= 21.0.1180.88 | cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.0 | cpe:2.3:a:google:chrome:21.0.1180.0:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.1 | cpe:2.3:a:google:chrome:21.0.1180.1:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.2 | cpe:2.3:a:google:chrome:21.0.1180.2:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.31 | cpe:2.3:a:google:chrome:21.0.1180.31:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.32 | cpe:2.3:a:google:chrome:21.0.1180.32:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.33 | cpe:2.3:a:google:chrome:21.0.1180.33:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.34 | cpe:2.3:a:google:chrome:21.0.1180.34:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.35 | cpe:2.3:a:google:chrome:21.0.1180.35:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.36 | cpe:2.3:a:google:chrome:21.0.1180.36:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.37 | cpe:2.3:a:google:chrome:21.0.1180.37:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.38 | cpe:2.3:a:google:chrome:21.0.1180.38:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.39 | cpe:2.3:a:google:chrome:21.0.1180.39:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.41 | cpe:2.3:a:google:chrome:21.0.1180.41:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.46 | cpe:2.3:a:google:chrome:21.0.1180.46:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.47 | cpe:2.3:a:google:chrome:21.0.1180.47:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.48 | cpe:2.3:a:google:chrome:21.0.1180.48:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.49 | cpe:2.3:a:google:chrome:21.0.1180.49:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.50 | cpe:2.3:a:google:chrome:21.0.1180.50:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.51 | cpe:2.3:a:google:chrome:21.0.1180.51:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.52 | cpe:2.3:a:google:chrome:21.0.1180.52:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.53 | cpe:2.3:a:google:chrome:21.0.1180.53:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.54 | cpe:2.3:a:google:chrome:21.0.1180.54:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.55 | cpe:2.3:a:google:chrome:21.0.1180.55:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.56 | cpe:2.3:a:google:chrome:21.0.1180.56:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.57 | cpe:2.3:a:google:chrome:21.0.1180.57:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.59 | cpe:2.3:a:google:chrome:21.0.1180.59:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.60 | cpe:2.3:a:google:chrome:21.0.1180.60:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.61 | cpe:2.3:a:google:chrome:21.0.1180.61:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.62 | cpe:2.3:a:google:chrome:21.0.1180.62:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.63 | cpe:2.3:a:google:chrome:21.0.1180.63:*:*:*:*:*:*:* | |
| chrome | 21.0.1180.64 | cpe:2.3:a:google:chrome:21.0.1180.64:*:*:*:*:*:*:* |