Ubuntu.comUB:CVE-2022-28738CVE-2022-28738
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
7.5 High
CVSS2
Access Vector
NETWORK
Access 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
0.003 Low
EPSS
Percentile
70.2%
A double free was found in the Regexp compiler in Ruby 3.x before 3.0.4 and
3.1.x before 3.1.2. If a victim attempts to create a Regexp from untrusted
user input, an attacker may be able to write to unexpected memory
locations.
Bugs
References
access.redhat.com/security/cve/CVE-2022-28738
github.com/ruby/ruby/commit/052ec6d2585c3ace95671013d336f5543624ef3d (v3_0_4)
github.com/ruby/ruby/commit/73f45e5e96ccc13a131f7c0122cf8600ce5b930f (v3_1_2)
launchpad.net/bugs/cve/CVE-2022-28738
nvd.nist.gov/vuln/detail/CVE-2022-28738
security-tracker.debian.org/tracker/CVE-2022-28738
ubuntu.com/security/notices/USN-5462-1
www.cve.org/CVERecord?id=CVE-2022-28738
www.ruby-lang.org/en/news/2022/04/12/double-free-in-regexp-compilation-cve-2022-28738/
Related
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
7.5 High
CVSS2
Access Vector
NETWORK
Access 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
0.003 Low
EPSS
Percentile
70.2%