CVE-2025-2357: DCMTK dcmjpls JPEG-LS Decoder memory corruption

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-03-17 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability was found in DCMTK 3.6.9. It has been declared as critical. This vulnerability affects unknown code of the component dcmjpls JPEG-LS Decoder. The manipulation leads to memory corruption. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 3239a7915. It is recommended to apply a patch to fix this issue.

Affected products

OFFIS DCMTK: 3.6.9

References

https://support.dcmtk.org/redmine/issues/1155
https://support.dcmtk.org/redmine/issues/1155?tab=history#note-1
https://vuldb.com/?ctiid.299824
https://vuldb.com/?id.299824
https://vuldb.com/?submit.513692
https://lists.debian.org/debian-lts-announce/2025/06/msg00025.html

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