The d_print_comp function in cp-demangle.c in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary, which triggers infinite recursion and a buffer overflow, related to a node having "itself as ancestor more than once."
結論預警: CVE-2016-4491 綜合評估為中等風險(49.6/100):CVSS 技術影響為中級,利用機率(EPSS 1.78%) 核心證據: 近一日 EPSS 上升 +1.26%,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 | 0.52% | 1.78% | +1.26% |
| 2 | 2025-06-19 | 0.30% | 0.52% | +0.22% |
| 3 | 2025-04-11 | — | 0.30% | — |
完整 EPSS 歷史 (共 9 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
|
low | CVE-2016-4491 low priority: Debian including 2 source packages (binutils, libiberty), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. | https://security-tracker.debian.org/tracker/CVE-2016-4491 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2016-4491 |
suse
|
low | CVE-2016-4491 severity low: SUSE including 14 source package names (cpp, gcc, …), 136 product×package rows across 19 product lines (SUSE CaaS Platform 4.5, SUSE Enterprise Storage 7, … (19 product lines)): Known Not Affected 136. | https://www.suse.com/security/cve/CVE-2016-4491/ |
ubuntu
|
low | CVE-2016-4491 low priority: Ubuntu including 11 source packages (binutils, binutils-h8300-hms, …), 264 status rows across 24 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, wily, xenial, yakkety, zesty): not-affected 78, ignored 74, released 46, DNE 33, needed 22, needs-triage 11. | https://ubuntu.com/security/CVE-2016-4491 |
| URL | 標籤 |
|---|---|
| http://www.openwall.com/lists/oss-security/2016/05/05/5 | Mailing List Patch Third Party Advisory |
| http://www.securityfocus.com/bid/90016 | |
| https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909 | Issue Tracking |
| https://gcc.gnu.org/ml/gcc-patches/2016-05/msg00105.html | Patch Vendor Advisory |