CVE-2025-8837 | THREATINT

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.

Hiervon betroffen ist die Funktion jpc_dec_dump der Datei src/libjasper/jpc/jpc_dec.c der Komponente JPEG2000 File Handler. Durch Manipulieren mit unbekannten Daten kann eine use after free-Schwachstelle ausgenutzt werden. Der Angriff muss lokal erfolgen. Der Exploit steht zur öffentlichen Verfügung. Der Patch wird als 8308060d3fbc1da10353ac8a95c8ea60eba9c25a bezeichnet. Als bestmögliche Massnahme wird Patching empfohlen.

Reserved 2025-08-10 | Published 2025-08-11 | Updated 2025-08-11 | Assigner VulDB

MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

MEDIUM: 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

MEDIUM: 5.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

4.3AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

Use After Free

Memory Corruption

Timeline

2025-08-10:	Advisory disclosed
2025-08-10:	VulDB entry created
2025-08-10:	VulDB entry last update

Credits

rootsec (VulDB User) reporter

References

vuldb.com/?id.319371 (VDB-319371 | JasPer JPEG2000 File jpc_dec.c jpc_dec_dump use after free) vdb-entry technical-description

vuldb.com/?ctiid.319371 (VDB-319371 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.630487 (Submit #630487 | jasper imginfo JasPer Version**: 4.2.5 and the newest master Use-after-free) third-party-advisory

vuldb.com/?submit.630488 (Submit #630488 | jasper imginfo JasPer Version**: 4.2.5 and the newest master Use-after-free (Duplicate)) third-party-advisory

github.com/jasper-software/jasper/issues/402 issue-tracking

drive.google.com/...7mMT7IbTN2Bmo6SrujIUh24/view?usp=sharing exploit

github.com/...ommit/8308060d3fbc1da10353ac8a95c8ea60eba9c25a patch

cve.org (CVE-2025-8837)

nvd.nist.gov (CVE-2025-8837)

Download JSON