Heap-based buffer overflow in the px_pac_reload function in lib/pac.c in libproxy 0.2.x and 0.3.x allows remote servers to have an unspecified impact via a crafted Content-Length size in an HTTP response header for a proxy.pac file request, a different vulnerability than CVE-2012-4504.
結論預警: CVE-2012-4505 綜合評估為高風險(69.1/100):CVSS 技術影響為嚴重級,利用機率(EPSS 3.22%) 強制指令: 被利用機率偏高—請盤點暴露面並優先安排修補。
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 | 2026-06-15 | 4.37% | 3.22% | -1.15% |
| 2 | 2025-03-30 | 9.20% | 4.37% | -4.83% |
| 3 | 2025-03-29 | — | 9.20% | — |
完整 EPSS 歷史 (共 10 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 |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2012-4505 not yet assigned priority: Debian including 1 source packages (libproxy), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2012-4505 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2012-4505 |
ubuntu
|
medium | CVE-2012-4505 medium priority: Ubuntu including 1 source packages (libproxy), 7 status rows across 7 suites (hardy, lucid, natty, oneiric, precise, quantal, upstream): not-affected 2, released 2, DNE 1, ignored 1, needs-triage 1. | https://ubuntu.com/security/CVE-2012-4505 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| libproxy_project | libproxy | 0.2.3 | cpe:2.3:a:libproxy_project:libproxy:0.2.3:*:*:*:*:*:*:* |
| libproxy_project | libproxy | 0.3.0 | cpe:2.3:a:libproxy_project:libproxy:0.3.0:*:*:*:*:*:*:* |
| libproxy_project | libproxy | 0.3.1 | cpe:2.3:a:libproxy_project:libproxy:0.3.1:*:*:*:*:*:*:* |