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ubuntucveUbuntu.comUB:CVE-2021-20266
HistoryApr 30, 2021 - 12:00 a.m.

CVE-2021-20266

2021-04-3000:00:00
ubuntu.com
ubuntu.com
27
rpm
vulnerability
out-of-bounds read
system availability
bugzilla
debian
launchpad
librpmio9 binary
build process

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS3

4.9

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS

0.002

Percentile

54.6%

JSON

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.

Bugs

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
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchrpm< 4.14.1+dfsg1-2ubuntu0.1~esm1UNKNOWN
ubuntu20.04noarchrpm< 4.14.2.1+dfsg1-1ubuntu0.1~esm1UNKNOWN

Related

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veracode 1
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aix 1
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CVE-2021-20266
2021-04-30 12:15:07
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CVE-2021-20266 affecting package rpm 4.14.2-15
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Oracle Linux 8 : rpm (ELSA-2021-4489)
2021-11-17 00:00:00
RHEL 8 : rpm (RHSA-2021:4489)
2021-11-11 00:00:00
Rocky Linux 8 : rpm (RLSA-2021:4489)
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redhat
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(RHSA-2021:4489) Low: rpm security, bug fix, and enhancement update
2021-11-09 09:32:33
(RHSA-2022:0434) Moderate: Release of OpenShift Serverless 1.20.0
2022-02-03 17:07:25
(RHSA-2021:4032) Low: Openshift Logging 5.2.3 bug fix and security update
2021-11-17 03:27:52
prion
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2021-10-18 00:00:00
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Advisory ROSA-SA-2021-1963
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Moderate Photon OS Security Update - PHSA-2021-0030
2021-05-21 00:00:00
Critical Photon OS Security Update - PHSA-2021-0241
2021-05-21 00:00:00
Moderate Photon OS Security Update - PHSA-2021-4.0-0030
2021-05-21 00:00:00
fedora
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2021-03-30 00:17:25
[SECURITY] Fedora 32 Update: rpm-4.15.1.1-1.fc32.1
2021-04-07 15:26:31
[SECURITY] Fedora 33 Update: rpm-4.16.1.3-1.fc33
2021-03-30 14:31:25
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Security update for rpm (important)
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ibm
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Security Bulletin: Due to RPM, AIX is vulnerable to arbitrary code execution (CVE-2021-20271), RPM database corruption (CVE-2021-3421), and denial of service (CVE-2021-20266)
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Security Bulletin: IBM Sterling Connect:Direct for UNIX Certified Container is affected by multiple vulnerabilities in Red Hat Universal Base Image version 8.4-206.1626828523 and Binutils version 2.30-93
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2022-01-19 16:26:59
gentoo
gentoo
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CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS3

4.9

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS

0.002

Percentile

54.6%

JSON
Related for UB:CVE-2021-20266
rocky1oraclelinux1osv4cbl_mariner1nessus25alpinelinux1debiancve1cvelist1nvd1almalinux1redhatcve1veracode1cve1redhat15prion1openvas19rosalinux1photon6fedora3suse2mageia1aix1ubuntu1ibm6gentoo1