Description
A flaw was found in RPM's hdrblobInit() in lib/header.c. This flaw allows an attacker who can modify the rpmdb to cause an out-of-bounds read. The highest threat from this vulnerability is to system availability.
References (4)
Core 4
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1927741
Mailing List, Third Party Advisory x_refsource_misc
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/
Mailing List, Third Party Advisory x_refsource_misc
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202107-43
Scores
CVSS v3
4.9
EPSS
0.0006
EPSS Percentile
19.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (3)
fedoraproject/fedora
33
fedoraproject/fedora
34
rpm/rpm
< 4.16.1.3
Published
Apr 30, 2021
Tracked Since
Feb 18, 2026