CVE-2021-20266
Published: 30 April 2021
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.
Notes
| Author | Note |
|---|---|
| seth-arnold | Only debugedit and librpmio9 binary packages are in main, and triaged with view to how they are used in the build process as described in https://bugs.launchpad.net/ubuntu/+source/rpm/+bug/1913871 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
rpm Launchpad, Ubuntu, Debian |
bionic |
Released
(4.14.1+dfsg1-2ubuntu0.1~esm1)
Available with Ubuntu Pro |
| focal |
Released
(4.14.2.1+dfsg1-1ubuntu0.1~esm1)
Available with Ubuntu Pro |
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Not vulnerable
(4.17.0+dfsg1-1)
|
|
| kinetic |
Not vulnerable
(4.17.0+dfsg1-1)
|
|
| lunar |
Not vulnerable
(4.17.0+dfsg1-1)
|
|
| mantic |
Not vulnerable
(4.17.0+dfsg1-1)
|
|
| noble |
Not vulnerable
(4.17.0+dfsg1-1)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Released
(4.17.0+dfsg1-1)
|
|
| xenial |
Not vulnerable
(code not present)
|
|
| Binaries built from this source package are in Universe and so are supported by the community. | ||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 4.9 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | High |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |