CVE-2020-28241
libmaxminddb before 1.4.3 has a heap-based buffer over-read in dump_entry_data_list in maxminddb.c.
02 Description
libmaxminddb before 1.4.3 has a heap-based buffer over-read in dump_entry_data_list in maxminddb.c.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.15% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 81.6% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-11-06 04:43Z5 YR AGO
- Last updated
- 2024-08-04 16:33Z2 YR AGO
- Reserved
- 2020-11-06
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- a47b64bbe2a1c12695daf2317b11e87a96b1a4e7a4204f6156023cbda2a910f9
05 Affected products
06 References
- github.comhttps://github.com/maxmind/libmaxminddb/issues/236
- github.comhttps://github.com/maxmind/libmaxminddb/pull/237
- github.comhttps://github.com/maxmind/libmaxminddb/compare/1.4.2...1.4.3
- lists.debian.org[debian-lts-announce] 20201110 [SECURITY] [DLA 2445-1] libmaxminddb security updatehttps://lists.debian.org/debian-lts-announce/2020/11/msg00019.html
- security.gentoo.orgGLSA-202011-15https://security.gentoo.org/glsa/202011-15
- lists.fedoraproject.orgFEDORA-2020-1fb1785fa1https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ELTOHZBPO6XVUVADP4DPZBNQCPTYOQBV/
- lists.fedoraproject.orgFEDORA-2020-8a8f8b244fhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6WUK4UCOB5FJVK36E22IRLEYGKMUWGBG/
07 Fixed in
AlmaLinux 8
- libmaxminddb Fixed in 1.2.0-10.el8_9.1
- libmaxminddb-devel Fixed in 1.2.0-10.el8_9.1
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- libmaxminddb Fixed in 1.2.0-10.el8_9.1
- libmaxminddb-devel Fixed in 1.2.0-10.el8_9.1
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- libmaxminddb Fixed in 1.4.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libmaxminddb Fixed in 1.4.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libmaxminddb Fixed in 1.4.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- libmaxminddb No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- libmaxminddb Fixed in 1.4.2-0ubuntu1.20.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- libmaxminddb Fixed in 1.0.4-2.1ubuntu0.1~esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.