The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image.
結論預警: CVE-2016-2191 綜合評估為高可利用風險(73.5/100):CVSS 技術影響為中級,利用機率(EPSS 3.53%) 核心證據: 已收錄 1 筆公開利用參考(Exploit-DB)。 近一日 EPSS 上升 +1.79%,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 ↗ |
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 | 1.74% | 3.53% | +1.79% |
| 2 | 2026-05-13 | 2.06% | 1.74% | -0.32% |
| 3 | 2025-12-30 | — | 2.06% | — |
完整 EPSS 歷史 (共 17 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 |
|---|---|---|---|---|---|---|
| 6.5 | 3.0 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-2191 not yet assigned priority: Debian including 1 source packages (optipng), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-2191 |
gentoo
|
normal | CVE-2016-2191: 1 GLSA(s) (201608-01), 1 atom(s) (media-gfx/optipng); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-2191 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2016-2191 |
ubuntu
|
medium | CVE-2016-2191 medium priority: Ubuntu including 1 source packages (optipng), 4 status rows across 4 suites (precise, trusty, upstream, wily): released 4. | https://ubuntu.com/security/CVE-2016-2191 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| optipng | optipng | 0.7.2 | cpe:2.3:a:optipng:optipng:0.7.2:*:*:*:*:*:*:* |
| 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 | 15.04 | cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* |
| debian | debian_linux | 7.0 | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| opensuse | leap | 42.1 | cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.2 | cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* |
| URL | 標籤 |
|---|---|
| http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.html | Third Party Advisory |
| http://lists.opensuse.org/opensuse-updates/2016-04/msg00065.html | Third Party Advisory |
| http://packetstormsecurity.com/files/136553/Optipng-Invalid-Write.html | Exploit |
| http://seclists.org/fulldisclosure/2016/Apr/15 | Third Party Advisory |
| http://www.debian.org/security/2016/dsa-3546 | Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2016/04/04/2 | Third Party Advisory |
| http://www.securityfocus.com/archive/1/537972/100/0/threaded | |
| http://www.ubuntu.com/usn/USN-2951-1 | Third Party Advisory |
| https://security.gentoo.org/glsa/201608-01 | |
| https://sourceforge.net/p/optipng/bugs/59/ | Patch |