CVE-2026-38819
Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive...
Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes.
- Record
CVE-2026-38819- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-401
- Updated
- 2026-11-02
EUVDEUVD-2026-67359
Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes.
- Record
EUVD-2026-67359- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-53cw-ggrv-83hg
Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive...
Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes.
- Record
GHSA-53cw-ggrv-83hg- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-401
- Updated
- 2026-11-02
NVD
Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes.
- Record
CVE-2026-38819- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-401
- Updated
- 2026-11-02
OSV
Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes.
- Record
CVE-2026-38819- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-401
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2026-38819
Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes.
- Record
DEBIAN-CVE-2026-38819- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-38819
Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes.
- Record
UBUNTU-CVE-2026-38819- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
openndsDebian:12 |
All versions, plus listed versions 10.2.0+dfsg-110.3.0+dfsg-0.110.3.1+dfsg-19.10.0-1 |
None known |
openndsDebian:13 |
All versions, plus listed versions 10.3.1+dfsg-1 |
None known |
openndsUbuntu:Pro:24.04:LTS |
All versions, plus listed versions 9.10.0-110.2.0+dfsg-110.2.0+dfsg-1build110.2.0+dfsg-1build210.2.0+dfsg-1ubuntu0.24.04.1~esm1 |
None known |
openndsUbuntu:26.10 |
All versions, plus listed versions 10.3.1+dfsg-1build1 |
None known |
openndsUbuntu:26.04:LTS |
All versions, plus listed versions 10.3.1+dfsg-110.3.1+dfsg-1build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-38819 is a medium vulnerability (CVSS 5.3) in Opennds, published August 28, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. No source names a fixed version.
References
github.com/openNDS/openNDS/commit/f2332e68c6d34f8403db346e380fff3817020d5c
nvd.nist.gov/vuln/detail/CVE-2026-38819
security-tracker.debian.org/tracker/CVE-2026-38819
ubuntu.com/security/CVE-2026-38819
cve.org/CVERecord?id=CVE-2026-38819