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.
結論預警: CVE-2016-7553 綜合評估為低風險（24.3/100）：CVSS 技術影響為低級，利用機率偏低（EPSS 0.39%） 強制指令: 持續追蹤利用情報與 EPSS 變化，並適時複評優先級。
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 | 0.08% | 0.39% | +0.32% |
| 2 | 2025-06-19 | 0.04% | 0.08% | +0.04% |
| 3 | 2023-03-07 | — | 0.04% | — |
完整 EPSS 歷史 （共 4 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 |
|---|---|---|---|---|---|---|
| 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 | 標籤 |
|---|---|
| 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/ |