The cavs_idct8_add_c function in libavcodec/cavsdsp.c in FFmpeg before 3.1.4 is vulnerable to reading out-of-bounds memory when decoding with cavs_decode.
结论预警: CVE-2016-7502 综合评估为中等风险(56.3/100):CVSS 技术影响为高级,利用概率(EPSS 1.38%) 核心证据: 近一日 EPSS 上升 +1.16%,被利用关注度持续升高。 强制指令: 梳理受影响资产并纳入修补计划。
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 | 0.22% | 1.38% | +1.16% |
| 2 | 2026-05-29 | 0.31% | 0.22% | -0.09% |
| 3 | 2025-03-30 | — | 0.31% | — |
完整 EPSS 历史 (共 7 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 |
|---|---|---|---|---|---|---|
| 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-2016-7502 not yet assigned priority: Debian including 1 source packages (ffmpeg), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-7502 |
gentoo
|
normal | CVE-2016-7502: 1 GLSA(s) (201701-71), 1 atom(s) (media-video/ffmpeg); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-7502 |
ubuntu
|
low | CVE-2016-7502 low priority: Ubuntu including 1 source packages (ffmpeg), 8 status rows across 8 suites (artful, bionic, precise, trusty, upstream, xenial, yakkety, zesty): ignored 3, DNE 2, needs-triage 1, not-affected 1, released 1. | https://ubuntu.com/security/CVE-2016-7502 |
| URL | 标签 |
|---|---|
| http://www.openwall.com/lists/oss-security/2016/10/08/1 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/94834 | Third Party Advisory VDB Entry |
| https://security.gentoo.org/glsa/201701-71 |