6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.9 High
AI Score
Confidence
High
0.009 Low
EPSS
Percentile
82.9%
Issue Overview:
A heap buffer overflow flaw was found in libsndfile. This flaw allows an attacker to execute arbitrary code via a crafted WAV file. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. (CVE-2021-3246)
Affected Packages:
libsndfile
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update libsndfile to update your system.
New Packages:
aarch64:
libsndfile-1.0.25-12.amzn2.1.aarch64
libsndfile-devel-1.0.25-12.amzn2.1.aarch64
libsndfile-utils-1.0.25-12.amzn2.1.aarch64
libsndfile-debuginfo-1.0.25-12.amzn2.1.aarch64
i686:
libsndfile-1.0.25-12.amzn2.1.i686
libsndfile-devel-1.0.25-12.amzn2.1.i686
libsndfile-utils-1.0.25-12.amzn2.1.i686
libsndfile-debuginfo-1.0.25-12.amzn2.1.i686
src:
libsndfile-1.0.25-12.amzn2.1.src
x86_64:
libsndfile-1.0.25-12.amzn2.1.x86_64
libsndfile-devel-1.0.25-12.amzn2.1.x86_64
libsndfile-utils-1.0.25-12.amzn2.1.x86_64
libsndfile-debuginfo-1.0.25-12.amzn2.1.x86_64
Red Hat: CVE-2021-3246
Mitre: CVE-2021-3246
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.9 High
AI Score
Confidence
High
0.009 Low
EPSS
Percentile
82.9%