Buffer overflow in the FileReadGIF function in tkImgGIF.c for Tk Toolkit 8.4.12 and earlier, and 8.3.5 and earlier, allows user-assisted attackers to cause a denial of service (segmentation fault) via an animated GIF in which the first subimage is smaller than a subsequent subimage, which triggers the overflow in the ReadImage function, a different vulnerability than CVE-2007-5137.
結論預警: CVE-2007-5378 綜合評估為中等風險（47.7/100）：CVSS 技術影響為中級，利用機率（EPSS 2.64%） 核心證據: 近一日 EPSS 上升 +1.28%，被利用關注度持續升高。 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 | 2026-06-15 | 1.36% | 2.64% | +1.28% |
| 2 | 2025-04-26 | 1.47% | 1.36% | -0.11% |
| 3 | 2025-03-30 | — | 1.47% | — |
完整 EPSS 歷史 （共 14 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 |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
medium | CVE-2007-5378 medium priority: Debian including 1 source packages (libtk-img), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2007-5378 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2007-5378 |
ubuntu
|
low | CVE-2007-5378 low priority: Ubuntu including 3 source packages (libtk-img, tk8.3, tk8.4), 37 status rows across 13 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): not-affected 21, released 12, ignored 3, DNE 1. | https://ubuntu.com/security/CVE-2007-5378 |
Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2007-5378 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| tcl_tk | tk_toolkit | <= 8.3.5 | cpe:2.3:a:tcl_tk:tk_toolkit:*:*:*:*:*:*:*:* |
| tcl_tk | tk_toolkit | <= 8.4.12 | cpe:2.3:a:tcl_tk:tk_toolkit:*:*:*:*:*:*:*:* |