The buf.pl script before 2.20 in Irssi before 0.8.20 uses weak permissions for the scrollbuffer dump file created between upgrades, which might allow local users to obtain sensitive information from private chat conversations by reading the file.
结论预警: CVE-2016-7553 综合评估为低风险（24.3/100）：CVSS 技术影响为低级，利用概率偏低（EPSS 0.39%） 强制指令: 持续跟踪利用情报与 EPSS 变化，并适时复评优先级。
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。
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 | 0.08% | 0.39% | +0.32% |
| 2 | 2025-06-19 | 0.04% | 0.08% | +0.04% |
| 3 | 2023-03-07 | — | 0.04% | — |
完整 EPSS 历史 （共 4 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 |
|---|---|---|---|---|---|---|
| 3.3 | 3.0 | LOW |
|
1.8 | 1.4 | [email protected] |
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-7553 not yet assigned priority: Debian including 1 source packages (irssi), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-7553 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2016-7553 |
ubuntu
|
low | CVE-2016-7553 low priority: Ubuntu including 1 source packages (irssi), 5 status rows across 5 suites (precise, trusty, upstream, xenial, yakkety): released 5. | https://ubuntu.com/security/CVE-2016-7553 |
| URL | 标签 |
|---|---|
| http://www.openwall.com/lists/oss-security/2016/09/24/1 | Mailing List Patch |
| http://www.openwall.com/lists/oss-security/2016/09/26/4 | Mailing List Patch |
| http://www.securityfocus.com/bid/93155 | Third Party Advisory VDB Entry |
| https://github.com/irssi/scripts.irssi.org/commit/f1b1eb154baa684fad5d65bf4dff79c8ded8b65a | Patch |
| https://irssi.org/security/buf_pl_sa_2016.txt | Patch Vendor Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7OM3WHWQ7RIAOZSOZZUM4CUYGKSIAGJJ/ |