Search criteria
182 vulnerabilities found for ruby by ruby-lang
CVE-2023-28756 (GCVE-0-2023-28756)
Vulnerability from nvd – Published: 2023-03-31 00:00 – Updated: 2025-11-04 16:10
VLAI?
Summary
A ReDoS issue was discovered in the Time component through 0.2.1 in Ruby through 3.2.1. The Time parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to Time objects. The fixed versions are 0.1.1 and 0.2.2.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2021-33621 (GCVE-0-2021-33621)
Vulnerability from nvd – Published: 2022-11-18 00:00 – Updated: 2025-11-04 16:09
VLAI?
Summary
The cgi gem before 0.1.0.2, 0.2.x before 0.2.2, and 0.3.x before 0.3.5 for Ruby allows HTTP response splitting. This is relevant to applications that use untrusted user input either to generate an HTTP response or to create a CGI::Cookie object.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2016-2338 (GCVE-0-2016-2338)
Vulnerability from nvd – Published: 2020-02-14 00:00 – Updated: 2024-08-05 23:24
VLAI?
Summary
An exploitable heap overflow vulnerability exists in the Psych::Emitter start_document function of Ruby. In Psych::Emitter start_document function heap buffer "head" allocation is made based on tags array length. Specially constructed object passed as element of tags array can increase this array size after mentioned allocation and cause heap overflow.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2022-28739 (GCVE-0-2022-28739)
Vulnerability from nvd – Published: 2022-05-09 00:00 – Updated: 2025-11-04 16:09
VLAI?
Summary
There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2022-28738 (GCVE-0-2022-28738)
Vulnerability from nvd – Published: 2022-05-09 00:00 – Updated: 2024-08-03 06:03
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2021-41819 (GCVE-0-2021-41819)
Vulnerability from nvd – Published: 2022-01-01 00:00 – Updated: 2025-05-22 15:00
VLAI?
Summary
CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2021-41817 (GCVE-0-2021-41817)
Vulnerability from nvd – Published: 2022-01-01 00:00 – Updated: 2024-08-04 03:22
VLAI?
Summary
Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |
|---|---|---|
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CVE-2021-32066 (GCVE-0-2021-32066)
Vulnerability from nvd – Published: 2021-08-01 00:00 – Updated: 2024-08-03 23:17
VLAI?
Summary
An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a "StartTLS stripping attack."
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2021-28966 (GCVE-0-2021-28966)
Vulnerability from nvd – Published: 2021-07-27 16:01 – Updated: 2024-08-03 21:55
VLAI?
Summary
In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web application handles a parameter with TmpDir.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2021-31810 (GCVE-0-2021-31810)
Vulnerability from nvd – Published: 2021-07-13 00:00 – Updated: 2024-08-03 23:10
VLAI?
Summary
An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. A malicious FTP server can use the PASV response to trick Net::FTP into connecting back to a given IP address and port. This potentially makes curl extract information about services that are otherwise private and not disclosed (e.g., the attacker can conduct port scans and service banner extractions).
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2021-28965 (GCVE-0-2021-28965)
Vulnerability from nvd – Published: 2021-04-21 06:55 – Updated: 2024-08-03 21:55
VLAI?
Summary
The REXML gem before 3.2.5 in Ruby before 2.6.7, 2.7.x before 2.7.3, and 3.x before 3.0.1 does not properly address XML round-trip issues. An incorrect document can be produced after parsing and serializing.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2020-25613 (GCVE-0-2020-25613)
Vulnerability from nvd – Published: 2020-10-06 00:00 – Updated: 2024-08-04 15:33
VLAI?
Summary
An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypass a reverse proxy (which also has a poor header check), which may lead to an HTTP Request Smuggling attack.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2020-10933 (GCVE-0-2020-10933)
Vulnerability from nvd – Published: 2020-05-04 14:54 – Updated: 2024-08-04 11:21
VLAI?
Summary
An issue was discovered in Ruby 2.5.x through 2.5.7, 2.6.x through 2.6.5, and 2.7.0. If a victim calls BasicSocket#read_nonblock(requested_size, buffer, exception: false), the method resizes the buffer to fit the requested size, but no data is copied. Thus, the buffer string provides the previous value of the heap. This may expose possibly sensitive data from the interpreter.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2020-5247 (GCVE-0-2020-5247)
Vulnerability from nvd – Published: 2020-02-28 16:55 – Updated: 2024-08-04 08:22
VLAI?
Title
HTTP Response Splitting in Puma
Summary
In Puma (RubyGem) before 4.3.2 and before 3.12.3, if an application using Puma allows untrusted input in a response header, an attacker can use newline characters (i.e. `CR`, `LF` or`/r`, `/n`) to end the header and inject malicious content, such as additional headers or an entirely new response body. This vulnerability is known as HTTP Response Splitting. While not an attack in itself, response splitting is a vector for several other attacks, such as cross-site scripting (XSS). This is related to CVE-2019-16254, which fixed this vulnerability for the WEBrick Ruby web server. This has been fixed in versions 4.3.2 and 3.12.3 by checking all headers for line endings and rejecting headers with those characters.
Severity ?
6.5 (Medium)
CWE
- CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')
Assigner
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2015-1855 (GCVE-0-2015-1855)
Vulnerability from nvd – Published: 2019-11-29 20:46 – Updated: 2024-08-06 04:54
VLAI?
Summary
verify_certificate_identity in the OpenSSL extension in Ruby before 2.0.0 patchlevel 645, 2.1.x before 2.1.6, and 2.2.x before 2.2.2 does not properly validate hostnames, which allows remote attackers to spoof servers via vectors related to (1) multiple wildcards, (1) wildcards in IDNA names, (3) case sensitivity, and (4) non-ASCII characters.
Severity ?
No CVSS data available.
CWE
- Other
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
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CVE-2023-28756 (GCVE-0-2023-28756)
Vulnerability from cvelistv5 – Published: 2023-03-31 00:00 – Updated: 2025-11-04 16:10
VLAI?
Summary
A ReDoS issue was discovered in the Time component through 0.2.1 in Ruby through 3.2.1. The Time parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to Time objects. The fixed versions are 0.1.1 and 0.2.2.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
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CVE-2021-33621 (GCVE-0-2021-33621)
Vulnerability from cvelistv5 – Published: 2022-11-18 00:00 – Updated: 2025-11-04 16:09
VLAI?
Summary
The cgi gem before 0.1.0.2, 0.2.x before 0.2.2, and 0.3.x before 0.3.5 for Ruby allows HTTP response splitting. This is relevant to applications that use untrusted user input either to generate an HTTP response or to create a CGI::Cookie object.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
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CVE-2022-28739 (GCVE-0-2022-28739)
Vulnerability from cvelistv5 – Published: 2022-05-09 00:00 – Updated: 2025-11-04 16:09
VLAI?
Summary
There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||
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CVE-2022-28738 (GCVE-0-2022-28738)
Vulnerability from cvelistv5 – Published: 2022-05-09 00:00 – Updated: 2024-08-03 06:03
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2021-41817 (GCVE-0-2021-41817)
Vulnerability from cvelistv5 – Published: 2022-01-01 00:00 – Updated: 2024-08-04 03:22
VLAI?
Summary
Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |
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CVE-2021-41819 (GCVE-0-2021-41819)
Vulnerability from cvelistv5 – Published: 2022-01-01 00:00 – Updated: 2025-05-22 15:00
VLAI?
Summary
CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2021-32066 (GCVE-0-2021-32066)
Vulnerability from cvelistv5 – Published: 2021-08-01 00:00 – Updated: 2024-08-03 23:17
VLAI?
Summary
An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a "StartTLS stripping attack."
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2021-28966 (GCVE-0-2021-28966)
Vulnerability from cvelistv5 – Published: 2021-07-27 16:01 – Updated: 2024-08-03 21:55
VLAI?
Summary
In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web application handles a parameter with TmpDir.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2021-31810 (GCVE-0-2021-31810)
Vulnerability from cvelistv5 – Published: 2021-07-13 00:00 – Updated: 2024-08-03 23:10
VLAI?
Summary
An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. A malicious FTP server can use the PASV response to trick Net::FTP into connecting back to a given IP address and port. This potentially makes curl extract information about services that are otherwise private and not disclosed (e.g., the attacker can conduct port scans and service banner extractions).
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2021-28965 (GCVE-0-2021-28965)
Vulnerability from cvelistv5 – Published: 2021-04-21 06:55 – Updated: 2024-08-03 21:55
VLAI?
Summary
The REXML gem before 3.2.5 in Ruby before 2.6.7, 2.7.x before 2.7.3, and 3.x before 3.0.1 does not properly address XML round-trip issues. An incorrect document can be produced after parsing and serializing.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2020-25613 (GCVE-0-2020-25613)
Vulnerability from cvelistv5 – Published: 2020-10-06 00:00 – Updated: 2024-08-04 15:33
VLAI?
Summary
An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypass a reverse proxy (which also has a poor header check), which may lead to an HTTP Request Smuggling attack.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
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CVE-2020-10933 (GCVE-0-2020-10933)
Vulnerability from cvelistv5 – Published: 2020-05-04 14:54 – Updated: 2024-08-04 11:21
VLAI?
Summary
An issue was discovered in Ruby 2.5.x through 2.5.7, 2.6.x through 2.6.5, and 2.7.0. If a victim calls BasicSocket#read_nonblock(requested_size, buffer, exception: false), the method resizes the buffer to fit the requested size, but no data is copied. Thus, the buffer string provides the previous value of the heap. This may expose possibly sensitive data from the interpreter.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2020-5247 (GCVE-0-2020-5247)
Vulnerability from cvelistv5 – Published: 2020-02-28 16:55 – Updated: 2024-08-04 08:22
VLAI?
Title
HTTP Response Splitting in Puma
Summary
In Puma (RubyGem) before 4.3.2 and before 3.12.3, if an application using Puma allows untrusted input in a response header, an attacker can use newline characters (i.e. `CR`, `LF` or`/r`, `/n`) to end the header and inject malicious content, such as additional headers or an entirely new response body. This vulnerability is known as HTTP Response Splitting. While not an attack in itself, response splitting is a vector for several other attacks, such as cross-site scripting (XSS). This is related to CVE-2019-16254, which fixed this vulnerability for the WEBrick Ruby web server. This has been fixed in versions 4.3.2 and 3.12.3 by checking all headers for line endings and rejecting headers with those characters.
Severity ?
6.5 (Medium)
CWE
- CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')
Assigner
References
| URL | Tags | ||||||||||||||||||||||
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CVE-2016-2338 (GCVE-0-2016-2338)
Vulnerability from cvelistv5 – Published: 2020-02-14 00:00 – Updated: 2024-08-05 23:24
VLAI?
Summary
An exploitable heap overflow vulnerability exists in the Psych::Emitter start_document function of Ruby. In Psych::Emitter start_document function heap buffer "head" allocation is made based on tags array length. Specially constructed object passed as element of tags array can increase this array size after mentioned allocation and cause heap overflow.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2015-1855 (GCVE-0-2015-1855)
Vulnerability from cvelistv5 – Published: 2019-11-29 20:46 – Updated: 2024-08-06 04:54
VLAI?
Summary
verify_certificate_identity in the OpenSSL extension in Ruby before 2.0.0 patchlevel 645, 2.1.x before 2.1.6, and 2.2.x before 2.2.2 does not properly validate hostnames, which allows remote attackers to spoof servers via vectors related to (1) multiple wildcards, (1) wildcards in IDNA names, (3) case sensitivity, and (4) non-ASCII characters.
Severity ?
No CVSS data available.
CWE
- Other
Assigner
References
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