7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.6 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
51.1%
Debian LTS Advisory DLA-2657-1 [email protected]
https://www.debian.org/lts/security/ Chris Lamb
May 12, 2021 https://wiki.debian.org/LTS
Package : lz4
Version : 0.0~r131-2+deb9u1
CVE ID : CVE-2021-3520
Debian Bug : #987856
It was discovered that there was a potential memory corruption
vulnerability in the lz4 compression algorithm library.
For Debian 9 "Stretch", this problem has been fixed in version
0.0~r131-2+deb9u1.
We recommend that you upgrade your lz4 packages.
For the detailed security status of lz4 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/lz4
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 10 | s390x | lz4-dbgsym | < 1.8.3-1+deb10u1 | lz4-dbgsym_1.8.3-1+deb10u1_s390x.deb |
Debian | 10 | mips | lz4-dbgsym | < 1.8.3-1+deb10u1 | lz4-dbgsym_1.8.3-1+deb10u1_mips.deb |
Debian | 10 | i386 | liblz4-1-dbgsym | < 1.8.3-1+deb10u1 | liblz4-1-dbgsym_1.8.3-1+deb10u1_i386.deb |
Debian | 10 | ppc64el | liblz4-dev | < 1.8.3-1+deb10u1 | liblz4-dev_1.8.3-1+deb10u1_ppc64el.deb |
Debian | 10 | armel | liblz4-1 | < 1.8.3-1+deb10u1 | liblz4-1_1.8.3-1+deb10u1_armel.deb |
Debian | 10 | armel | lz4-dbgsym | < 1.8.3-1+deb10u1 | lz4-dbgsym_1.8.3-1+deb10u1_armel.deb |
Debian | 10 | armel | lz4 | < 1.8.3-1+deb10u1 | lz4_1.8.3-1+deb10u1_armel.deb |
Debian | 10 | ppc64el | liblz4-1-dbgsym | < 1.8.3-1+deb10u1 | liblz4-1-dbgsym_1.8.3-1+deb10u1_ppc64el.deb |
Debian | 10 | mips64el | lz4 | < 1.8.3-1+deb10u1 | lz4_1.8.3-1+deb10u1_mips64el.deb |
Debian | 9 | armel | liblz4-dev | < 0.0~r131-2+deb9u1 | liblz4-dev_0.0~r131-2+deb9u1_armel.deb |
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.6 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
51.1%