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Fencer Vulns
medium 6.3

CVE-2025-2357 json

DCMTK dcmjpls JPEG-LS Decoder memory corruption

published 2025-03-17 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-6677

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits
0
none known

Summary

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.

Patch / fix

  • dcmtk Debian 12 3.6.7-9~deb12u4
  • dcmtk Debian 14, Debian 13 3.6.9-5

debian advisories DEBIAN-CVE-2025-2357

  • dcmtk openSUSE Tumbleweed 3.6.9-3.1

opensuse advisories openSUSE-SU-2025:14901-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-2357 updated cvss 6.3

DCMTK: DCMTK dcmjpls JPEG-LS Decoder memory corruption

  • Red Hat Enterprise Linux AI (RHEL AI) dcmtk
    affected: no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
19 mo ago

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • support.dcmtk.org https://support.dcmtk.org/redmine/issues/1155 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CNA 3.0 6.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CNA 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
CNA 4.0 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • n/a DCMTK

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.