The read_CodersInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted 7z file, related to the _7z_folder struct.
結論預警: CVE-2015-8922 綜合評估為中等風險（51.3/100）：CVSS 技術影響為中級，利用機率（EPSS 2.07%） 核心證據: 近一日 EPSS 上升 +1.70%，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。
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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 | 0.37% | 2.07% | +1.70% |
| 2 | 2025-03-17 | 0.63% | 0.37% | -0.26% |
| 3 | 2024-07-13 | — | 0.63% | — |
完整 EPSS 歷史 （共 7 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
|
not yet assigned | CVE-2015-8922 not yet assigned priority: Debian including 1 source packages (libarchive), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2015-8922 |
gentoo
|
normal | CVE-2015-8922: 1 GLSA(s) (201701-03), 1 atom(s) (app-arch/libarchive); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-8922 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2015-8922 |
suse
|
medium | CVE-2015-8922 severity moderate: SUSE including 9 source package names (bsdcpio-3.1.2-10.el7_2, bsdtar-3.1.2-10.el7_2, …), 22 product×package rows across 19 product lines (SUSE Liberty Linux 7, SUSE Linux Enterprise Desktop 12 SP1, … (19 product lines)): Fixed 22. | https://www.suse.com/security/cve/CVE-2015-8922/ |
ubuntu
|
medium | CVE-2015-8922 medium priority: Ubuntu including 1 source packages (libarchive), 5 status rows across 5 suites (precise, trusty, upstream, wily, xenial): released 5. | https://ubuntu.com/security/CVE-2015-8922 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| libarchive | libarchive | <= 3.1.901a | cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:* |
| novell | suse_linux_enterprise_software_development_kit | 12.0 | cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:* |
| novell | suse_linux_enterprise_desktop | 12.0 | cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:sp1:*:*:*:*:*:* |
| novell | suse_linux_enterprise_server | 12.0 | cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 15.10 | cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
| oracle | linux | 7 | cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:* |