The CSS parser (khtml/css/cssparser.cpp) in Konqueror in KDE 4.7.3 allows remote attackers to cause a denial of service (crash) and possibly read memory via a crafted font face source, related to "type confusion."
结论预警: CVE-2012-4512 综合评估为高可利用风险(85.3/100):CVSS 技术影响为高级,利用概率偏高(EPSS 11.66%,百分位 95%) 核心证据: 已收录 2 条公开利用参考(Exploit-DB)。 近一日 EPSS 上升 +1.68%,被利用关注度持续升高。 强制指令: 存在公开利用—请排查暴露面、落实缓解措施并优先修补。
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。
| EDB-ID | 来源 | 类型 | 公开时间 | 链接 |
|---|---|---|---|---|
| 22406 | exploit_db | edb | 2012-11-01 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 9.98% | 11.66% | +1.68% |
| 2 | 2026-04-23 | 11.50% | 9.98% | -1.52% |
| 3 | 2026-02-16 | — | 11.50% | — |
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 |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2012-4512: 1 GLSA(s) (201406-31), 1 atom(s) (kde-base/konqueror); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-4512 |
redhat
|
critical | — | https://access.redhat.com/security/cve/CVE-2012-4512 |
ubuntu
|
low | CVE-2012-4512 low priority: Ubuntu including 2 source packages (kde-baseapps, kdebase), 32 status rows across 16 suites (hardy, lucid, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 16, ignored 12, not-affected 2, released 2. | https://ubuntu.com/security/CVE-2012-4512 |
| 厂商 | 产品 | 版本 | 原始 CPE |
|---|---|---|---|
| kde | kde | 4.7.3 | cpe:2.3:a:kde:kde:4.7.3:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 6.0 | cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 6.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_eus | 6.3 | cpe:2.3:o:redhat:enterprise_linux_server_eus:6.3:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 6.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* |
| URL | 标签 |
|---|---|
| http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html | Broken Link Third Party Advisory |
| http://em386.blogspot.com/2010/12/webkit-css-type-confusion.html | Exploit Third Party Advisory |
| http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=a872c8a969a8bd3706253d6ba24088e4f07f3352 | Broken Link Vendor Advisory |
| http://rhn.redhat.com/errata/RHSA-2012-1416.html | Third Party Advisory |
| http://rhn.redhat.com/errata/RHSA-2012-1418.html | Third Party Advisory |
| http://secunia.com/advisories/51097 | Not Applicable Third Party Advisory |
| http://secunia.com/advisories/51145 | Not Applicable Third Party Advisory |
| http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc | Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2012/10/11/11 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2012/10/30/6 | Mailing List Third Party Advisory |
| http://www.securitytracker.com/id?1027709 | Third Party Advisory VDB Entry |