GNU Debugger (GDB) 8.0 and earlier fails to detect a negative length field in a DWARF section. A malformed section in an ELF binary or a core file can cause GDB to repeatedly allocate memory until a process limit is reached. This can, for example, impede efforts to analyze malware with GDB.
結論預警: CVE-2017-9778 綜合評估為中等風險（44.4/100）：CVSS 技術影響為中級，利用機率（EPSS 1.11%） 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 | 0.30% | 1.11% | +0.81% |
| 2 | 2025-11-21 | 0.14% | 0.30% | +0.16% |
| 3 | 2025-11-18 | — | 0.14% | — |
完整 EPSS 歷史 （共 8 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 |
|---|---|---|---|---|---|---|
| 5.5 | 3.0 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2017-9778 unimportant priority: Debian including 1 source packages (gdb), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-9778 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2017-9778 |
suse
|
low | CVE-2017-9778 severity low: SUSE including 2 source package names (gdb, gdbserver), 39 product×package rows across 31 product lines (HPE Helion OpenStack 8, SUSE CaaS Platform 4.0, … (31 product lines)): Known Not Affected 39. | https://www.suse.com/security/cve/CVE-2017-9778/ |
ubuntu
|
low | CVE-2017-9778 low priority: Ubuntu including 1 source packages (gdb), 22 status rows across 22 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial, yakkety, zesty): ignored 10, not-affected 8, needed 2, DNE 1, released 1. | https://ubuntu.com/security/CVE-2017-9778 |
| URL | 標籤 |
|---|---|
| http://www.securityfocus.com/bid/99244 | Third Party Advisory VDB Entry |
| https://sourceware.org/bugzilla/show_bug.cgi?id=21600 | Issue Tracking Third Party Advisory |