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CVE-2025-8837— JasPer JPEG2000 File jpc_dec.c jpc_dec_dump use after free

Quick assessment

Affected
n/a JasPer
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Jasper是Jasper开源的一个灵活且强大的 GitHub 问题阅读器。 JasPer 4.2.5及之前版本存在安全漏洞，该漏洞源于文件src/libjasper/jpc/jpc_dec.c中函数jpc_dec_dump存在释放后重用问题。

CVSS 5.3 · Medium EPSS 0.23% · P12
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I. Basic Information for CVE-2025-8837

Vulnerability Information
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Vulnerability Title
JasPer JPEG2000 File jpc_dec.c jpc_dec_dump use after free
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in JasPer up to 4.2.5. This affects the function jpc_dec_dump of the file src/libjasper/jpc/jpc_dec.c of the component JPEG2000 File Handler. The manipulation leads to use after free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The patch is named 8308060d3fbc1da10353ac8a95c8ea60eba9c25a. It is recommended to apply a patch to fix this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
JasPer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jasper是Jasper开源的一个灵活且强大的 GitHub 问题阅读器。 JasPer 4.2.5及之前版本存在安全漏洞，该漏洞源于文件src/libjasper/jpc/jpc_dec.c中函数jpc_dec_dump存在释放后重用问题。
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
- JasPer 4.2.0 -

II. Public POCs for CVE-2025-8837

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III. Intelligence Information for CVE-2025-8837

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Vendor Advisories for CVE-2025-8837 (2)

Same Patch Batch · n/a · 2025-08-11 · 9 CVEs total

CVE-2025-8839 6.3 MEDIUM jshERP Endpoint addUser improper authorization
CVE-2025-8840 5.4 MEDIUM jshERP Endpoint deleteBatch improper authorization
CVE-2025-8851 5.3 MEDIUM LibTIFF tiffcrop tiffcrop.c readSeparateStripsetoBuffer stack-based overflow
CVE-2025-8835 3.3 LOW JasPer Image Color Space Conversion jas_image.c jas_image_chclrspc null pointer dereferenc
CVE-2025-8836 3.3 LOW JasPer JPEG2000 Encoder jpc_enc.c jpc_floorlog2 assertion
CVE-2025-45146 ModelCache 安全漏洞
CVE-2025-51823 GNU libcdio 安全漏洞
CVE-2025-51824 GNU libcdio 安全漏洞

IV. Related Vulnerabilities

Same product: JasPer
Same vendor: n/a
Same weakness: CWE-416

V. Comments for CVE-2025-8837

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