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cve[email protected]CVE-2021-20266
HistoryApr 30, 2021 - 12:15 p.m.

CVE-2021-20266

2021-04-3012:15:00
CWE-125
[email protected]
web.nvd.nist.gov
223
2
cve-2021-20266
rpm
hdrblobinit()
out-of-bounds read
vulnerability

4.9 Medium

CVSS3

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

5.8 Medium

AI Score

Confidence

High

4 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.002 Low

EPSS

Percentile

54.0%

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.

VendorProductVersionCPE
rpmyum-utils*cpe:2.3:a:rpm:yum-utils:*:*:*:*:*:*:*:*

Social References

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4.9 Medium

CVSS3

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

5.8 Medium

AI Score

Confidence

High

4 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.002 Low

EPSS

Percentile

54.0%

JSON
Related for CVE-2021-20266
oraclelinux1rocky1cbl_mariner1osv4nessus23alpinelinux1ubuntucve1almalinux1debiancve1veracode1redhatcve1prion1redhat15photon6rosalinux1fedora3suse2gentoo1ubuntu1mageia1aix1ibm6