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19 vulnerabilities by ruby
CVE-2025-58767 (GCVE-0-2025-58767)
Vulnerability from cvelistv5 – Published: 2025-09-17 17:45 – Updated: 2025-09-17 17:54
VLAI?
Summary
REXML is an XML toolkit for Ruby. The REXML gems from 3.3.3 to 3.4.1 has a DoS vulnerability when parsing XML containing multiple XML declarations. If you need to parse untrusted XMLs, you may be impacted to these vulnerabilities. The REXML gem 3.4.2 or later include the patches to fix these vulnerabilities.
Severity ?
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
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CVE-2025-24294 (GCVE-0-2025-24294)
Vulnerability from cvelistv5 – Published: 2025-07-12 03:30 – Updated: 2025-07-16 13:37
VLAI?
Summary
The attack vector is a potential Denial of Service (DoS). The vulnerability is caused by an insufficient check on the length of a decompressed domain name within a DNS packet.
An attacker can craft a malicious DNS packet containing a highly compressed domain name. When the resolv library parses such a packet, the name decompression process consumes a large amount of CPU resources, as the library does not limit the resulting length of the name.
This resource consumption can cause the application thread to become unresponsive, resulting in a Denial of Service condition.
Severity ?
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
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CVE-2025-6442 (GCVE-0-2025-6442)
Vulnerability from cvelistv5 – Published: 2025-06-25 16:52 – Updated: 2025-06-25 20:42
VLAI?
Summary
Ruby WEBrick read_header HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions.
The specific flaw exists within the read_headers method. The issue results from the inconsistent parsing of terminators of HTTP headers. An attacker can leverage this vulnerability to smuggle arbitrary HTTP requests. Was ZDI-CAN-21876.
Severity ?
6.5 (Medium)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Assigner
References
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CVE-2025-43857 (GCVE-0-2025-43857)
Vulnerability from cvelistv5 – Published: 2025-04-28 16:02 – Updated: 2025-04-28 18:00
VLAI?
Summary
Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.5.7, 0.4.20, 0.3.9, and 0.2.5, there is a possibility for denial of service by memory exhaustion when net-imap reads server responses. At any time while the client is connected, a malicious server can send can send a "literal" byte count, which is automatically read by the client's receiver thread. The response reader immediately allocates memory for the number of bytes indicated by the server response. This should not be an issue when securely connecting to trusted IMAP servers that are well-behaved. It can affect insecure connections and buggy, untrusted, or compromised servers (for example, connecting to a user supplied hostname). This issue has been patched in versions 0.5.7, 0.4.20, 0.3.9, and 0.2.5.
Severity ?
CWE
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2025-27788 (GCVE-0-2025-27788)
Vulnerability from cvelistv5 – Published: 2025-03-12 13:51 – Updated: 2025-03-12 14:04
VLAI?
Summary
JSON is a JSON implementation for Ruby. Starting in version 2.10.0 and prior to version 2.10.2, a specially crafted document could cause an out of bound read, most likely resulting in a crash. Versions prior to 2.10.0 are not vulnerable. Version 2.10.2 fixes the problem. No known workarounds are available.
Severity ?
7.5 (High)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2025-25186 (GCVE-0-2025-25186)
Vulnerability from cvelistv5 – Published: 2025-02-10 15:55 – Updated: 2025-02-12 15:46
VLAI?
Summary
Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Starting in version 0.3.2 and prior to versions 0.3.8, 0.4.19, and 0.5.6, there is a possibility for denial of service by memory exhaustion in `net-imap`'s response parser. At any time while the client is connected, a malicious server can send can send highly compressed `uid-set` data which is automatically read by the client's receiver thread. The response parser uses `Range#to_a` to convert the `uid-set` data into arrays of integers, with no limitation on the expanded size of the ranges. Versions 0.3.8, 0.4.19, 0.5.6, and higher fix this issue. Additional details for proper configuration of fixed versions and backward compatibility are available in the GitHub Security Advisory.
Severity ?
6.5 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
- CWE-405 - Asymmetric Resource Consumption (Amplification)
- CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
- CWE-770 - Allocation of Resources Without Limits or Throttling
- CWE-789 - Memory Allocation with Excessive Size Value
- CWE-1287 - Improper Validation of Specified Type of Input
Assigner
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2024-49761 (GCVE-0-2024-49761)
Vulnerability from cvelistv5 – Published: 2024-10-28 14:10 – Updated: 2025-11-03 20:41
VLAI?
Summary
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an XML that has many digits between &# and x...; in a hex numeric character reference (&#x...;). This does not happen with Ruby 3.2 or later. Ruby 3.1 is the only affected maintained Ruby. The REXML gem 3.3.9 or later include the patch to fix the vulnerability.
Severity ?
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2024-43398 (GCVE-0-2024-43398)
Vulnerability from cvelistv5 – Published: 2024-08-22 14:14 – Updated: 2025-11-03 20:38
VLAI?
Summary
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML gem 3.3.6 or later include the patch to fix the vulnerability.
Severity ?
5.9 (Medium)
CWE
- CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
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CVE-2024-41946 (GCVE-0-2024-41946)
Vulnerability from cvelistv5 – Published: 2024-08-01 14:22 – Updated: 2025-11-03 20:38
VLAI?
Summary
REXML is an XML toolkit for Ruby. The REXML gem 3.3.2 has a DoS vulnerability when it parses an XML that has many entity expansions with SAX2 or pull parser API. The REXML gem 3.3.3 or later include the patch to fix the vulnerability.
Severity ?
5.3 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2024-41123 (GCVE-0-2024-41123)
Vulnerability from cvelistv5 – Published: 2024-08-01 14:18 – Updated: 2025-11-03 20:38
VLAI?
Summary
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses an XML that has many specific characters such as whitespace character, `>]` and `]>`. The REXML gem 3.3.3 or later include the patches to fix these vulnerabilities.
Severity ?
5.3 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
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|
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CVE-2024-39908 (GCVE-0-2024-39908)
Vulnerability from cvelistv5 – Published: 2024-07-16 17:28 – Updated: 2025-11-03 20:38
VLAI?
Summary
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses an XML that has many specific characters such as `<`, `0` and `%>`. If you need to parse untrusted XMLs, you many be impacted to these vulnerabilities. The REXML gem 3.3.2 or later include the patches to fix these vulnerabilities. Users are advised to upgrade. Users unable to upgrade should avoid parsing untrusted XML strings.
Severity ?
4.3 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2024-35176 (GCVE-0-2024-35176)
Vulnerability from cvelistv5 – Published: 2024-05-16 15:13 – Updated: 2025-11-03 20:37
VLAI?
Summary
REXML is an XML toolkit for Ruby. The REXML gem before 3.2.6 has a denial of service vulnerability when it parses an XML that has many `<`s in an attribute value. Those who need to parse untrusted XMLs may be impacted to this vulnerability. The REXML gem 3.2.7 or later include the patch to fix this vulnerability. As a workaround, don't parse untrusted XMLs.
Severity ?
5.3 (Medium)
CWE
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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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
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
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CVE-2011-3624 (GCVE-0-2011-3624)
Vulnerability from cvelistv5 – Published: 2019-11-26 02:50 – Updated: 2024-08-06 23:37
VLAI?
Summary
Various methods in WEBrick::HTTPRequest in Ruby 1.9.2 and 1.8.7 and earlier do not validate the X-Forwarded-For, X-Forwarded-Host and X-Forwarded-Server headers in requests, which might allow remote attackers to inject arbitrary text into log files or bypass intended address parsing via a crafted header.
Severity ?
No CVSS data available.
CWE
- UNKNOWN_TYPE
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
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CVE-2013-6461 (GCVE-0-2013-6461)
Vulnerability from cvelistv5 – Published: 2019-11-05 14:07 – Updated: 2024-08-06 17:39
VLAI?
Summary
Nokogiri gem 1.5.x and 1.6.x has DoS while parsing XML entities by failing to apply limits
Severity ?
No CVSS data available.
CWE
- while parsing XML entities
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Ruby | Nokogiri gem |
Affected:
1.5.x
Affected: 1.6.x |
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CVE-2013-6460 (GCVE-0-2013-6460)
Vulnerability from cvelistv5 – Published: 2019-11-05 14:02 – Updated: 2024-08-06 17:39
VLAI?
Summary
Nokogiri gem 1.5.x has Denial of Service via infinite loop when parsing XML documents
Severity ?
No CVSS data available.
CWE
- while parsing XML documents
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Ruby | Nokogiri gem |
Affected:
1.5.x
Affected: 1.6.x |
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CVE-2016-2337 (GCVE-0-2016-2337)
Vulnerability from cvelistv5 – Published: 2017-01-06 21:00 – Updated: 2024-08-05 23:24
VLAI?
Summary
Type confusion exists in _cancel_eval Ruby's TclTkIp class method. Attacker passing different type of object than String as "retval" argument can cause arbitrary code execution.
Severity ?
No CVSS data available.
CWE
- type confusion
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
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CVE-2016-2336 (GCVE-0-2016-2336)
Vulnerability from cvelistv5 – Published: 2017-01-06 21:00 – Updated: 2024-08-05 23:24
VLAI?
Summary
Type confusion exists in two methods of Ruby's WIN32OLE class, ole_invoke and ole_query_interface. Attacker passing different type of object than this assumed by developers can cause arbitrary code execution.
Severity ?
No CVSS data available.
CWE
- type confusion
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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CVE-2016-2339 (GCVE-0-2016-2339)
Vulnerability from cvelistv5 – Published: 2017-01-06 21:00 – Updated: 2024-08-05 23:24
VLAI?
Summary
An exploitable heap overflow vulnerability exists in the Fiddle::Function.new "initialize" function functionality of Ruby. In Fiddle::Function.new "initialize" heap buffer "arg_types" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.
Severity ?
No CVSS data available.
CWE
- heap overflow vulnerability
Assigner
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