libmaxminddb before 1.4.3 has a heap-based buffer over-read in dump_entry_data_list in maxminddb.c.
Priority LOW 33CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 4 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.
Summary
libmaxminddb before 1.4.3 has a heap-based buffer over-read in dump_entry_data_list in maxminddb.c.
Why it matters now
EPSS 0.02159 82nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 4 advisoriesRed Hat: 4 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:maxmind:libmaxminddb:*:*:*:*:*:*:*:* | before 1.4.3 | Vulnerable | Maxmind |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | 32 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 33 | Vulnerable | Fedoraproject |
- cpe:2.3:a:maxmind:libmaxminddb:*:*:*:*:*:*:*:* Versions before 1.4.3 Vulnerable ·Maxmind
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* Versions 32 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
Remediation
Red Hat 4 advisories
- RHSA-2024:1686 Released 2024-04-04 · Red Hat rating ModerateRed Hat Single Sign-On 7.6.7 for OpenShift image security update
- Middleware Containers for OpenShift rh-sso-7/sso7-rhel8-operator-bundle, rh-sso-7/sso76-openshift-rhel8
- RHSA-2024:0768 Released 2024-02-12 · Red Hat rating Moderatelibmaxminddb security update
- Red Hat Enterprise Linux AppStream (v. 8) libmaxminddb-1.2.0-10.el8_9.1, libmaxminddb-devel-1.2.0-10.el8_9.1
- RHSA-2024:0751 Released 2024-02-08 · Red Hat rating Moderatelibmaxminddb security update
- Red Hat Enterprise Linux AppStream EUS (v.8.6) libmaxminddb-1.2.0-10.el8_6.1, libmaxminddb-devel-1.2.0-10.el8_6.1
Show 1 more Red Hat advisories
- RHSA-2024:0750 Released 2024-02-08 · Red Hat rating Moderatelibmaxminddb security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) libmaxminddb-1.2.0-10.el8_8.1, libmaxminddb-devel-1.2.0-10.el8_8.1
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Middleware Containers for OpenShift | Fixed | RHSA-2024:1686 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2024:0768 |
| Red Hat Enterprise Linux AppStream EUS (v.8.6) | Fixed | RHSA-2024:0751 |
| Red Hat Enterprise Linux AppStream EUS (v.8.8) | Fixed | RHSA-2024:0750 |
Not affected: 1 product
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2020-28241
- 2026-10-03 Alias added: GHSA-8h2q-prr9-7wh9
References
Patch 2
Sources
- CVE-2020-28241 · CVE Program
- CVE-2020-28241 · NVD
- FIRST EPSS
- GHSA-8h2q-prr9-7wh9 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-28241 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences