CVE-2026-2889— CCExtractor mp4.c processmp4 use after free
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I. Basic Information for CVE-2026-2889
Vulnerability Information
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Vulnerability Title
CCExtractor mp4.c processmp4 use after free
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was detected in CCExtractor up to 0.96.5. Affected is the function processmp4 in the library src/lib_ccx/mp4.c. Performing a manipulation results in use after free. The attack is only possible with local access. The exploit is now public and may be used. Upgrading to version 0.96.6 is able to address this issue. The patch is named fd7271bae238ccb3ae8a71304ea64f0886324925. You should upgrade the affected component.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
CCExtractor 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CCExtractor是CCExtractor Development开源的一个解压软件。 CCExtractor 0.96.5及之前版本存在资源管理错误漏洞，该漏洞源于函数processmp4存在释放后重用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | CCExtractor | 0.96.0 | - |
II. Public POCs for CVE-2026-2889
| # | POC Description | Source Link | Shenlong Link |
|---|
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- Submit #755029: CCExtractor ccextractor c65fb08 Memory Corruptionthird-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-2889
Same Patch Batch · n/a · 2026-02-21 · 5 CVEs total
| CVE-2026-2896 | 7.3 HIGH | funadmin Configuration Ajax.php setConfig improper authorization |
| CVE-2026-2894 | 5.3 MEDIUM | funadmin forget.html getMember information disclosure |
| CVE-2026-2861 | 5.3 MEDIUM | Foswiki Changes/Viewfile/Oops information disclosure |
| CVE-2026-2895 | 3.7 LOW | funadmin Member.php repass password recovery |
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V. Comments for CVE-2026-2889
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