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TI-2025-08088 Aliases CVE-2025-8837GHSA-p7cc-89mg-9wr6

JasPer JPEG2000 File jpc_dec.c jpc_dec_dump use after free

Priority MEDIUM 55CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00258 17th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—JasPer4.2.0; 4.2.1; 4.2.2; 4.2.3; 4.2.4; 4.2.5—No fix listedCNA
  • JasPer Vendor— Affected 4.2.0; 4.2.1; 4.2.2; 4.2.3; 4.2.4; 4.2.5 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jasper_project:jasper:*:*:*:*:*:*:*:*up to 4.2.5VulnerableThe Jasper Project
  • cpe:2.3:a:jasper_project:jasper:*:*:*:*:*:*:*:* Versions up to 4.2.5 Vulnerable ·The Jasper Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-8837
  2. 2026-10-03 Alias added: GHSA-p7cc-89mg-9wr6

References

Exploit 2

Patch 1

  • TI-2022-02737 Memory leak in jasper CVSS 3.1HIGH 7.5
  • TI-2023-27963 An invalid memory write issue in Jasper-Software Jasper v.4.1.1 and before allows a local… CVSS 3.1HIGH 7.8
  • TI-2025-08087 JasPer JPEG2000 Encoder jpc_enc.c jpc_floorlog2 assertion CVSS 4.0MEDIUM 4.8
  • TI-2025-08086 JasPer Image Color Space Conversion jas_image.c jas_image_chclrspc null pointer dereference CVSS 4.0MEDIUM 4.8
  • TI-2014-06753 Heap-based buffer overflow in the jp2_decode function in JasPer 1.900.1 and earlier… CVSS 2.0HIGH 7.5
  • TI-2014-07355 Multiple off-by-one errors in the (1) jpc_dec_cp_setfromcox and (2) jpc_dec_cp_setfromrgn… CVSS 2.0HIGH 7.5
See all 100 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences