Stack-based buffer overflow in the evutil_parse_sockaddr_port function in evutil.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (segmentation fault) via vectors involving a long string in brackets in the ip_as_string argument.
结论预警: CVE-2016-10196 综合评估为高可利用风险（80.5/100）：CVSS 技术影响为高级，利用概率偏高（EPSS 5.21%，百分位 91%） 核心证据: 已收录 1 条公开利用参考（Exploit-DB）。 近一日 EPSS 上升 +3.51%，被利用关注度持续升高。 强制指令: 存在公开利用—请排查暴露面、落实缓解措施并优先修补。
风险随态势动态变化；本站持续评估并同步更新本页展示内容。
| EDB-ID | 来源 | 类型 | 公开时间 | 链接 |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS 日更估计相对被利用可能性；百分位表示该 CVE 在已评分漏洞中的相对排名（越高表示相对更严重）。
| # | 日期 | 旧 EPSS 分数 | 新 EPSS 分数 | 变化（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.70% | 5.21% | +3.51% |
| 2 | 2026-05-28 | 0.75% | 1.70% | +0.95% |
| 3 | 2026-03-29 | — | 0.75% | — |
完整 EPSS 历史 （共 15 条）
该 CVE 的 CVSS 指标。
| 底座分 | 版本 | 严重度 | 向量 | 可利用性 | 影响 | 分数来源 |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2016-10196: 1 source package rows (libevent); 10 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 10, open 0. | https://security.alpinelinux.org/vuln/CVE-2016-10196 |
debian
|
not yet assigned | CVE-2016-10196 not yet assigned priority: Debian including 1 source packages (libevent), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-10196 |
gentoo
|
high | CVE-2016-10196: 2 GLSA(s) (201705-01, 201802-03), 3 atom(s) (dev-libs/libevent, www-client/firefox, www-client/firefox-bin); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-10196 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2016-10196 |
suse
|
medium | CVE-2016-10196 severity moderate: SUSE including 48 source package names (MozillaFirefox-52.2.0esr-108.3, MozillaFirefox-52.2.0esr-72.5.2, …), 161 product×package rows across 31 product lines (SUSE Liberty Linux 7, SUSE Linux Enterprise Desktop 12 SP2, … (31 product lines)): Fixed 137, Known Not Affected 24. | https://www.suse.com/security/cve/CVE-2016-10196/ |
ubuntu
|
medium | CVE-2016-10196 medium priority: Ubuntu including 3 source packages (firefox, libevent, thunderbird), 17 status rows across 6 suites (precise, trusty, upstream, xenial, yakkety, zesty): released 16, ignored 1. | https://ubuntu.com/security/CVE-2016-10196 |
| 厂商 | 产品 | 版本 | 原始 CPE |
|---|---|---|---|
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| libevent_project | libevent | <= 2.1.5 | cpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:* |
| mozilla | firefox | < 45.9.0 | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
| mozilla | firefox | < 53.0 | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
| mozilla | firefox | 52.0 | cpe:2.3:a:mozilla:firefox:52.0:*:*:*:*:*:*:* |
| mozilla | thunderbird | < 52.1.0 | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |