Heap-based buffer overflow in the parse_codes function in archive_read_support_format_rar.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a RAR file with a zero-sized dictionary.
結論預警: CVE-2016-4302 綜合評估為高可利用風險（81.3/100）：CVSS 技術影響為高級，利用機率偏高（EPSS 4.78%，百分位 91%） 核心證據: 已收錄 2 筆公開利用參考（Exploit-DB）。 近一日 EPSS 上升 +3.31%，被利用關注度持續升高。 強制指令: 存在公開利用—請盤點暴露面、落實緩解措施並優先修補。
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。
| EDB-ID | 來源 | 類型 | 公開時間 | 連結 |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 1.46% | 4.78% | +3.31% |
| 2 | 2026-05-27 | 1.63% | 1.46% | -0.17% |
| 3 | 2026-05-23 | — | 1.63% | — |
完整 EPSS 歷史 （共 14 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 |
|---|---|---|---|---|---|---|
| 7.8 | 3.0 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-4302 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-2016-4302 |
gentoo
|
normal | CVE-2016-4302: 1 GLSA(s) (201701-03), 1 atom(s) (app-arch/libarchive); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-4302 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2016-4302 |
suse
|
medium | CVE-2016-4302 severity moderate: SUSE including 12 source package names (bsdcpio-3.1.2-10.el7_2, bsdtar, …), 32 product×package rows across 26 product lines (SUSE Liberty Linux 7, SUSE Linux Enterprise Desktop 12 SP1, … (26 product lines)): Fixed 22, Known Not Affected 10. | https://www.suse.com/security/cve/CVE-2016-4302/ |
ubuntu
|
medium | CVE-2016-4302 medium priority: Ubuntu including 1 source packages (libarchive), 5 status rows across 5 suites (precise, trusty, upstream, wily, xenial): released 4, needed 1. | https://ubuntu.com/security/CVE-2016-4302 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| redhat | enterprise_linux_desktop | 7.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_hpc_node | 7.0 | cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_hpc_node_eus | 7.2 | cpe:2.3:o:redhat:enterprise_linux_hpc_node_eus:7.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 7.0 | cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 7.2 | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_eus | 7.2 | cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 7.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* |
| libarchive | libarchive | <= 3.2.0 | cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:* |
| URL | 標籤 |
|---|---|
| http://blog.talosintel.com/2016/06/the-poisoned-archives.html | Exploit Third Party Advisory |
| http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=1348444 | Issue Tracking |
| http://rhn.redhat.com/errata/RHSA-2016-1844.html | Third Party Advisory |
| http://www.debian.org/security/2016/dsa-3657 | |
| http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html | |
| http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html | |
| http://www.securityfocus.com/bid/91331 | Third Party Advisory VDB Entry |
| http://www.talosintel.com/reports/TALOS-2016-0154/ | Exploit Third Party Advisory |
| https://github.com/libarchive/libarchive/commit/05caadc7eedbef471ac9610809ba683f0c698700 | Issue Tracking Patch |
| https://github.com/libarchive/libarchive/issues/719 | Issue Tracking Patch |
| https://security.gentoo.org/glsa/201701-03 |