CVE-2020-28241: libmaxminddb before 1.4.3 has a heap-based buffer over-read in dump_entry_data_list in maxminddb.c.

PriorityP428medium6.5CVSS 3.1

AVNACLPRNUIRSUCNINAH

EPSS

2.16%

80.4th percentile

libmaxminddb before 1.4.3 has a heap-based buffer over-read in dump_entry_data_list in maxminddb.c.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
debian	debian_linux	—	—
debian	libmaxminddb	< libmaxminddb 1.4.3-1 (bookworm)	libmaxminddb 1.4.3-1 (bookworm)
fedoraproject	fedora	—	—
fedoraproject	fedora	—	—
maxmind	libmaxminddb	< 1.4.3	1.4.3
maxmind	libmaxminddb	>= 0 < 1.4.3-1	1.4.3-1
maxmind	libmaxminddb	>= 0 < 1.4.3-1	1.4.3-1
maxmind	libmaxminddb	>= 0 < 1.4.3-1	1.4.3-1
maxmind	libmaxminddb	>= 0 < 1.4.3-1	1.4.3-1

CVSS provenance

nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

osv6.5MEDIUM

vendor_debian6.5MEDIUM

vendor_redhat6.5MEDIUM

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.