Two errors in the "asn1_find_node()" function (lib/parser_aux.c) within GnuTLS libtasn1 version 4.10 can be exploited to cause a stacked-based buffer overflow by tricking a user into processing a specially crafted assignments file via the e.g. asn1Coding utility.
結論預警: CVE-2017-6891 綜合評估為高風險(71.4/100):CVSS 技術影響為高級,利用機率偏高(EPSS 5.58%,百分位 92%) 核心證據: EPSS 顯示該漏洞近期被利用的可能性處於高位。 近一日 EPSS 上升 +4.00%,被利用關注度持續升高。 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 | 1.59% | 5.58% | +4.00% |
| 2 | 2026-05-29 | 1.18% | 1.59% | +0.41% |
| 3 | 2026-03-17 | — | 1.18% | — |
完整 EPSS 歷史 (共 27 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 |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2017-6891 not yet assigned priority: Debian including 1 source packages (libtasn1-6), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-6891 |
gentoo
|
normal | CVE-2017-6891: 1 GLSA(s) (201710-11), 1 atom(s) (dev-libs/libtasn1); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-6891 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2017-6891 |
suse
|
medium | CVE-2017-6891 severity moderate: SUSE including 40 source package names (24.4:libtasn1-4.9-3.10.1, 24.4:libtasn1-6-4.9-3.10.1, …), 244 product×package rows across 66 product lines (Container caasp/v4/nginx-ingress-controller, Container suse/ltss/sle12.5/sles12sp5, … (66 product lines)): Known Not Affected 129, Fixed 115. | https://www.suse.com/security/cve/CVE-2017-6891/ |
ubuntu
|
medium | CVE-2017-6891 medium priority: Ubuntu including 2 source packages (libtasn1-3, libtasn1-6), 10 status rows across 5 suites (trusty, upstream, xenial, yakkety, zesty): released 5, DNE 4, needs-triage 1. | https://ubuntu.com/security/CVE-2017-6891 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| gnu | libtasn1 | 4.10 | cpe:2.3:a:gnu:libtasn1:4.10:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| apache | bookkeeper | 4.12.1 | cpe:2.3:a:apache:bookkeeper:4.12.1:*:*:*:*:*:*:* |