CVE-2026-73433— GStreamer gst-plugins-good 数字错误漏洞
一分钟漏洞结论
影响对象
GStreamer gst-plugins-good
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
GStreamer gst-plugins-good是GStreamer组织的一个多媒体处理插件。 GStreamer gst-plugins-good 1.28.6之前版本存在数字错误漏洞，该漏洞源于解析AVI strd块中的FUJIFILM元数据时，gst_avi_demux_parse_strd()函数以固定偏移量递减剩余长度计数器而未验证足够数据，可能导致堆越界读取、越界写入、堆信息泄露和拒绝服务。
影响版本矩阵 15
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一、 漏洞 CVE-2026-73433 基础信息
漏洞信息
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Vulnerability Title
Gstreamer1-plugins-good: gstreamer: unsigned integer underflow in avidemux fujifilm strd parsing leading to out-of-bounds read/write
来源: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in GStreamer gst-plugins-good (avidemux). When parsing FUJIFILM metadata in an AVI strd chunk, gst_avi_demux_parse_strd() decrements a remaining-length counter by fixed offsets (98 and 10 bytes) without verifying sufficient data remains. For crafted strd payloads of exactly 106 or 107 bytes, the counter underflows to a very large unsigned value, causing subsequent null-terminated string scanning to read far beyond the allocated heap buffer. Date-format normalization may also write beyond the buffer end. Confirmed impacts include heap out-of-bounds read, out-of-bounds write, heap information disclosure (adjacent data appearing in parsed metadata), and application crash/denial of service. The avidemux element is auto-plugged by playbin, decodebin, and gst-discoverer, so opening or previewing a crafted AVI is sufficient to trigger the issue. Fixed upstream in gst-plugins-good 1.28.6 (GStreamer-SA-2026-0072).
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
整数下溢(超界折返)
来源: CVE Program / CVE List V5
Vulnerability Title
GStreamer gst-plugins-good 数字错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
GStreamer gst-plugins-good是GStreamer组织的一个多媒体处理插件。 GStreamer gst-plugins-good 1.28.6之前版本存在数字错误漏洞，该漏洞源于解析AVI strd块中的FUJIFILM元数据时，gst_avi_demux_parse_strd()函数以固定偏移量递减剩余长度计数器而未验证足够数据，可能导致堆越界读取、越界写入、堆信息泄露和拒绝服务。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| GStreamer | gst-plugins-good | 0 ~ 1.28.6 | - |
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| Red Hat | Red Hat Enterprise Linux 10 | 0:1.26.7-2.el10_2.5 ~ * |
cpe:/o:redhat:enterprise_linux:10.2
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| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | 0:1.24.11-1.el10_0.4 ~ * |
cpe:/o:redhat:enterprise_linux_eus:10.0
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| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | 0:1.10.4-4.el7_9.3 ~ * |
cpe:/o:redhat:rhel_els:7
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| Red Hat | Red Hat Enterprise Linux 8 | 0:1.16.1-7.el8_10.3 ~ * |
cpe:/a:redhat:enterprise_linux:8::appstream
|
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| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:1.16.1-4.el8_4.2 ~ * |
cpe:/a:redhat:rhel_aus:8.4::appstream
|
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| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | 0:1.16.1-4.el8_4.2 ~ * |
cpe:/a:redhat:rhel_aus:8.4::appstream
|
|
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | 0:1.16.1-4.el8_6.3 ~ * |
cpe:/a:redhat:rhel_aus:8.6::appstream
|
|
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | 0:1.16.1-4.el8_6.3 ~ * |
cpe:/a:redhat:rhel_aus:8.6::appstream
|
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| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | 0:1.16.1-5.el8_8.3 ~ * |
cpe:/a:redhat:rhel_e4s:8.8::appstream
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| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | 0:1.16.1-5.el8_8.3 ~ * |
cpe:/a:redhat:rhel_e4s:8.8::appstream
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| Red Hat | Red Hat Enterprise Linux 9 | 0:1.22.12-7.el9_8.4 ~ * |
cpe:/a:redhat:enterprise_linux:9::appstream
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| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | 0:1.18.4-8.el9_2.3 ~ * |
cpe:/a:redhat:rhel_e4s:9.2::appstream
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| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions | 0:1.22.1-4.el9_4.3 ~ * |
cpe:/a:redhat:rhel_e4s:9.4::appstream
|
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | 0:1.22.12-5.el9_6.3 ~ * |
cpe:/a:redhat:rhel_eus:9.6::appstream
|
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二、漏洞 CVE-2026-73433 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-73433 补丁与修复 (1)
CVE-2026-73433 厂商安全公告 (12)
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🔗 RHSA-2026:69232 - Security Advisory - Red Hat Customer Portal 查看完整文章 vendor-advisory x_refsource_REDHAT
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🔗 RHSA-2026:70803 - Security Advisory - Red Hat Customer Portal 查看完整文章 vendor-advisory x_refsource_REDHAT
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🔗 RHSA-2026:55434 - Security Advisory - Red Hat Customer Portal 查看完整文章 vendor-advisory x_refsource_REDHAT
CVE-2026-73433 其他参考 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2026-73433
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