CVE catalog
CVE-2026-35505
An unauthenticated remote attacker can repeatedly send crafted connection requests to leak memory. In single-process deployments the memory grows until the service is killed and the port stops respond
- Severity
- High · CVSS 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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 - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.65% · Oct 25, 2026
An unauthenticated remote attacker can repeatedly send crafted connection requests to leak memory. In single-process deployments the memory grows until the service is killed and the port stops responding until restart.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | dcmtk | sid | 3.7.0+really3.7.0-7 | fixed |
| Debian | dcmtk | forky | 3.7.0+really3.7.0-7 | fixed |
| Debian | dcmtk | trixie | 3.6.9-5+deb13u3 | fixed |
| Debian | dcmtk | bookworm | 3.6.7-9~deb12u4 | vulnerable |
| Cpe | dcmtk | Not reported | Not reported | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | dcmtk | source | sid | 3.7.0+really3.7.0-7 | not yet assigned | Not reported | [1141411] |
| Debian | dcmtk | source | forky | 3.7.0+really3.7.0-7 | not yet assigned | Not reported | [1141411] |
| Debian | dcmtk | source | trixie | 3.6.9-5+deb13u3 | not yet assigned | Not reported | [1141411] |
| Debian | dcmtk | source | bookworm | (unfixed) | not yet assigned | Not reported | [1141411] |
Notes
[bookworm] dcmtk: Minor issue; follow SPU
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [dcmtk]Affected
Details (2)
3.6.7-9~deb12u4· amd64 · bookwormAffected
nvd · dcmtk · debian · bookworm; nvd · dcmtk · debian · 12
3.6.7-9~deb12u4· arm64 · bookwormAffected
nvd · dcmtk · debian · bookworm; nvd · dcmtk · debian · 12
- [dcmtk-doc]Affected
Source package: [dcmtk]
Details (2)
3.6.7-9~deb12u4· all · bookwormAffected
nvd · dcmtk · debian · bookworm; nvd · dcmtk · debian · 12
3.6.7-9~deb12u4· all · bookwormAffected
nvd · dcmtk · debian · bookworm; nvd · dcmtk · debian · 12
- [libdcmtk17]Affected
Source package: [dcmtk]
Details (2)
3.6.7-9~deb12u4· amd64 · bookwormAffected
nvd · dcmtk · debian · bookworm; nvd · dcmtk · debian · 12
3.6.7-9~deb12u4· arm64 · bookwormAffected
nvd · dcmtk · debian · bookworm; nvd · dcmtk · debian · 12
- [libdcmtk-dev]Affected
Source package: [dcmtk]
Details (2)
3.6.7-9~deb12u4· amd64 · bookwormAffected
nvd · dcmtk · debian · bookworm; nvd · dcmtk · debian · 12
3.6.7-9~deb12u4· arm64 · bookwormAffected
nvd · dcmtk · debian · bookworm; nvd · dcmtk · debian · 12
[Debian 13 (Trixie)]
- [dcmtk]Affected
Details (2)
3.6.9-5+deb13u2· amd64 · trixieAffected · Fixed:
3.6.9-5+deb13u3nvd · dcmtk · debian · 13
3.6.9-5+deb13u2· arm64 · trixieAffected · Fixed:
3.6.9-5+deb13u3nvd · dcmtk · debian · 13
- [dcmtk-data]Affected
Source package: [dcmtk]
Details (2)
3.6.9-5+deb13u2· all · trixieAffected · Fixed:
3.6.9-5+deb13u3nvd · dcmtk · debian · 13
3.6.9-5+deb13u2· all · trixieAffected · Fixed:
3.6.9-5+deb13u3nvd · dcmtk · debian · 13
- [dcmtk-doc]Affected
Source package: [dcmtk]
Details (2)
3.6.9-5+deb13u2· all · trixieAffected · Fixed:
3.6.9-5+deb13u3nvd · dcmtk · debian · 13
3.6.9-5+deb13u2· all · trixieAffected · Fixed:
3.6.9-5+deb13u3nvd · dcmtk · debian · 13
- [libdcmtk19]Affected
Source package: [dcmtk]
Details (2)
3.6.9-5+deb13u2· amd64 · trixieAffected · Fixed:
3.6.9-5+deb13u3nvd · dcmtk · debian · 13
3.6.9-5+deb13u2· arm64 · trixieAffected · Fixed:
3.6.9-5+deb13u3nvd · dcmtk · debian · 13
- [libdcmtk-dev]Affected
Source package: [dcmtk]
Details (2)
3.6.9-5+deb13u2· amd64 · trixieAffected · Fixed:
3.6.9-5+deb13u3nvd · dcmtk · debian · 13
3.6.9-5+deb13u2· arm64 · trixieAffected · Fixed:
3.6.9-5+deb13u3nvd · dcmtk · debian · 13
Observed:
References
- [https://github.com/DCMTK/dcmtk/releases/tag/latest]
- [https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-181-01.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-35505]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-35505]
- [https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsma-26-181-01.json]
- [https://security-tracker.debian.org/tracker/CVE-2026-35505]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-35505.json]
- [https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-181-01]
[CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]