// For flags

CVE-2021-36976

 

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block).

libarchive versiones 3.4.1 hasta 3.5.1, presenta un uso de memoria previamente liberada en la funciĆ³n copy_string (llamado desde do_uncompress_block y process_block)

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-07-20 CVE Reserved
  • 2021-07-20 CVE Published
  • 2024-04-04 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-416: Use After Free
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Libarchive
Search vendor "Libarchive"
Libarchive
Search vendor "Libarchive" for product "Libarchive"
>= 3.4.1 <= 3.5.2
Search vendor "Libarchive" for product "Libarchive" and version " >= 3.4.1 <= 3.5.2"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
Fedora
Search vendor "Fedoraproject" for product "Fedora"
35
Search vendor "Fedoraproject" for product "Fedora" and version "35"
-
Affected
Apple
Search vendor "Apple"
Ipados
Search vendor "Apple" for product "Ipados"
< 15.4
Search vendor "Apple" for product "Ipados" and version " < 15.4"
-
Affected
Apple
Search vendor "Apple"
Iphone Os
Search vendor "Apple" for product "Iphone Os"
< 15.4
Search vendor "Apple" for product "Iphone Os" and version " < 15.4"
-
Affected
Apple
Search vendor "Apple"
Macos
Search vendor "Apple" for product "Macos"
< 12.3
Search vendor "Apple" for product "Macos" and version " < 12.3"
-
Affected
Apple
Search vendor "Apple"
Watchos
Search vendor "Apple" for product "Watchos"
< 8.5
Search vendor "Apple" for product "Watchos" and version " < 8.5"
-
Affected
Splunk
Search vendor "Splunk"
Universal Forwarder
Search vendor "Splunk" for product "Universal Forwarder"
>= 8.2.0 < 8.2.12
Search vendor "Splunk" for product "Universal Forwarder" and version " >= 8.2.0 < 8.2.12"
-
Affected
Splunk
Search vendor "Splunk"
Universal Forwarder
Search vendor "Splunk" for product "Universal Forwarder"
>= 9.0.0 < 9.0.6
Search vendor "Splunk" for product "Universal Forwarder" and version " >= 9.0.0 < 9.0.6"
-
Affected
Splunk
Search vendor "Splunk"
Universal Forwarder
Search vendor "Splunk" for product "Universal Forwarder"
9.1.0
Search vendor "Splunk" for product "Universal Forwarder" and version "9.1.0"
-
Affected