CVE-2021-20266 — Out-of-bounds Read in RPM
Severity
4.9MEDIUMNVD
EPSS
0.1%
top 80.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 30
Latest updateJul 21
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HExploitability: 1.2 | Impact: 3.6
Affected Packages8 packages
Also affects: Fedora 33, 34
Patches
🔴Vulnerability Details
3📋Vendor Advisories
4Microsoft▶
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 a↗2021-04-13
Debian▶
CVE-2021-20266: rpm - A flaw was found in RPM's hdrblobInit() in lib/header.c. This flaw allows an att...↗2021