Out-of-bounds Read in Maxmind Libmaxminddb
CVE-2020-28241
libmaxminddb before 1.4.3 has a heap-based buffer over-read in dump_entry_data_list in maxminddb.c.
Vulnerability class: Buffer Overflow
EPSS: 0.021 (80.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Maxmind Libmaxminddb
- Debian Debian_linux — versions 9.0
- Fedoraproject Fedora — versions 32, 33
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2020-28241?
- CVE-2020-28241 is a medium-severity vulnerability in Maxmind Libmaxminddb, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2020-11-06.
- How severe is CVE-2020-28241?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-28241 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.