The DoCommand function in jhead.c in Matthias Wandel jhead 2.84 and earlier allows local users to delete arbitrary files via vectors involving a modified input filename in which (1) a final "z" character is replaced by a "t" character or (2) a final "t" character is replaced by a "z" character.
結論預警: CVE-2008-4640 綜合評估為低風險（22.2/100）：CVSS 技術影響為低級，利用機率偏低（EPSS 0.30%） 強制指令: 持續追蹤利用情報與 EPSS 變化，並適時複評優先級。
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 | 0.06% | 0.30% | +0.24% |
| 2 | 2025-03-17 | 0.04% | 0.06% | +0.02% |
| 3 | 2023-03-07 | — | 0.04% | — |
完整 EPSS 歷史 （共 4 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 |
|---|---|---|---|---|---|---|
| 3.6 | 2.0 | LOW |
|
3.9 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2008-4640 unimportant priority: Debian including 1 source packages (jhead), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2008-4640 |
gentoo
|
normal | CVE-2008-4640: 1 GLSA(s) (200901-02), 1 atom(s) (media-gfx/jhead); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-4640 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2008-4640 |
ubuntu
|
medium | CVE-2008-4640 medium priority: Ubuntu including 1 source packages (jhead), 11 status rows across 11 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): not-affected 6, ignored 4, released 1. | https://ubuntu.com/security/CVE-2008-4640 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| sentex | jhead | <= 2.82 | cpe:2.3:a:sentex:jhead:*:*:*:*:*:*:*:* |
| sentex | jhead | 1.2 | cpe:2.3:a:sentex:jhead:1.2:*:*:*:*:*:*:* |
| sentex | jhead | 1.3 | cpe:2.3:a:sentex:jhead:1.3:*:*:*:*:*:*:* |
| sentex | jhead | 1.4 | cpe:2.3:a:sentex:jhead:1.4:*:*:*:*:*:*:* |
| sentex | jhead | 1.5 | cpe:2.3:a:sentex:jhead:1.5:*:*:*:*:*:*:* |
| sentex | jhead | 1.6 | cpe:2.3:a:sentex:jhead:1.6:*:*:*:*:*:*:* |
| sentex | jhead | 1.7 | cpe:2.3:a:sentex:jhead:1.7:*:*:*:*:*:*:* |
| sentex | jhead | 1.8 | cpe:2.3:a:sentex:jhead:1.8:*:*:*:*:*:*:* |
| sentex | jhead | 1.9 | cpe:2.3:a:sentex:jhead:1.9:*:*:*:*:*:*:* |
| sentex | jhead | 2.0 | cpe:2.3:a:sentex:jhead:2.0:*:*:*:*:*:*:* |
| sentex | jhead | 2.1 | cpe:2.3:a:sentex:jhead:2.1:*:*:*:*:*:*:* |
| sentex | jhead | 2.2 | cpe:2.3:a:sentex:jhead:2.2:*:*:*:*:*:*:* |
| sentex | jhead | 2.3 | cpe:2.3:a:sentex:jhead:2.3:*:*:*:*:*:*:* |
| sentex | jhead | 2.4 | cpe:2.3:a:sentex:jhead:2.4:*:*:*:*:*:*:* |
| sentex | jhead | 2.4-1 | cpe:2.3:a:sentex:jhead:2.4-1:*:*:*:*:*:*:* |
| sentex | jhead | 2.4-2 | cpe:2.3:a:sentex:jhead:2.4-2:*:*:*:*:*:*:* |
| sentex | jhead | 2.5 | cpe:2.3:a:sentex:jhead:2.5:*:*:*:*:*:*:* |
| sentex | jhead | 2.6 | cpe:2.3:a:sentex:jhead:2.6:*:*:*:*:*:*:* |
| sentex | jhead | 2.7 | cpe:2.3:a:sentex:jhead:2.7:*:*:*:*:*:*:* |
| sentex | jhead | 2.8 | cpe:2.3:a:sentex:jhead:2.8:*:*:*:*:*:*:* |