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CWE-1333
Inefficient Regular Expression Complexity
The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.
CVE-2021-3795 (GCVE-0-2021-3795)
Vulnerability from cvelistv5 – Published: 2021-09-15 16:23 – Updated: 2024-08-03 17:09
VLAI
Title
Inefficient Regular Expression Complexity in sindresorhus/semver-regex
Summary
semver-regex is vulnerable to Inefficient Regular Expression Complexity
Severity
7.5 (High)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/006624e3-35ac-448f-aab… | x_refsource_CONFIRM |
| https://github.com/sindresorhus/semver-regex/comm… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| sindresorhus | sindresorhus/semver-regex |
Affected:
unspecified , < 4.0.1
(custom)
Affected: unspecified , < 3.1.3 (custom) Unaffected: 3.1.3 |
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CVE-2021-3801 (GCVE-0-2021-3801)
Vulnerability from cvelistv5 – Published: 2021-09-15 12:40 – Updated: 2024-08-03 17:09
VLAI
Title
Inefficient Regular Expression Complexity in prismjs/prism
Summary
prism is vulnerable to Inefficient Regular Expression Complexity
Severity
7.5 (High)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
2 references
| URL | Tags |
|---|---|
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| https://github.com/prismjs/prism/commit/0ff371bb4… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| prismjs | prismjs/prism |
Affected:
unspecified , ≤ 1.24.1
(custom)
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CVE-2021-3803 (GCVE-0-2021-3803)
Vulnerability from cvelistv5 – Published: 2021-09-17 00:00 – Updated: 2024-08-03 17:09
VLAI
Title
Inefficient Regular Expression Complexity in fb55/nth-check
Summary
nth-check is vulnerable to Inefficient Regular Expression Complexity
Severity
7.5 (High)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| fb55 | fb55/nth-check |
Affected:
unspecified , < 2.0.1
(custom)
|
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CVE-2021-3804 (GCVE-0-2021-3804)
Vulnerability from cvelistv5 – Published: 2021-09-17 06:15 – Updated: 2024-08-03 17:09
VLAI
Title
Inefficient Regular Expression Complexity in nervjs/taro
Summary
taro is vulnerable to Inefficient Regular Expression Complexity
Severity
7.5 (High)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
2 references
| URL | Tags |
|---|---|
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| https://github.com/nervjs/taro/commit/acadb6c826b… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| nervjs | nervjs/taro |
Affected:
unspecified , ≤ 3.3.8
(custom)
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CVE-2021-3807 (GCVE-0-2021-3807)
Vulnerability from cvelistv5 – Published: 2021-09-17 00:00 – Updated: 2024-08-03 17:09
VLAI
Title
Inefficient Regular Expression Complexity in chalk/ansi-regex
Summary
ansi-regex is vulnerable to Inefficient Regular Expression Complexity
Severity
7.5 (High)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| chalk | chalk/ansi-regex |
Affected:
unspecified , < 6.0.1
(custom)
Affected: unspecified , < 5.0.1 (custom) Unaffected: 5.0.1 |
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CVE-2021-3810 (GCVE-0-2021-3810)
Vulnerability from cvelistv5 – Published: 2021-09-17 06:15 – Updated: 2024-08-03 17:09
VLAI
Title
Inefficient Regular Expression Complexity in cdr/code-server
Summary
code-server is vulnerable to Inefficient Regular Expression Complexity
Severity
7.5 (High)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
2 references
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|---|---|
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| https://github.com/cdr/code-server/commit/ca617df… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| cdr | cdr/code-server |
Affected:
unspecified , < 3.12.0
(custom)
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CVE-2021-3820 (GCVE-0-2021-3820)
Vulnerability from cvelistv5 – Published: 2021-09-27 12:25 – Updated: 2024-08-03 17:09
VLAI
Title
Inefficient Regular Expression Complexity in pksunkara/inflect
Summary
inflect is vulnerable to Inefficient Regular Expression Complexity
Severity
5.3 (Medium)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
2 references
| URL | Tags |
|---|---|
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| https://github.com/pksunkara/inflect/commit/a9a0a… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pksunkara | pksunkara/inflect |
Affected:
unspecified , ≤ 0.3.6
(custom)
|
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CVE-2021-3822 (GCVE-0-2021-3822)
Vulnerability from cvelistv5 – Published: 2021-09-27 12:25 – Updated: 2024-08-03 17:09
VLAI
Title
Inefficient Regular Expression Complexity in josdejong/jsoneditor
Summary
jsoneditor is vulnerable to Inefficient Regular Expression Complexity
Severity
5.3 (Medium)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
2 references
| URL | Tags |
|---|---|
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| https://github.com/josdejong/jsoneditor/commit/09… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| josdejong | josdejong/jsoneditor |
Affected:
unspecified , < 9.5.6
(custom)
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CVE-2021-3828 (GCVE-0-2021-3828)
Vulnerability from cvelistv5 – Published: 2021-09-27 12:25 – Updated: 2024-08-03 17:09
VLAI
Title
Inefficient Regular Expression Complexity in nltk/nltk
Summary
nltk is vulnerable to Inefficient Regular Expression Complexity
Severity
7.5 (High)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
2 references
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|---|---|
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Impacted products
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CVE-2021-3842 (GCVE-0-2021-3842)
Vulnerability from cvelistv5 – Published: 2022-01-04 14:50 – Updated: 2024-08-03 17:09
VLAI
Title
Inefficient Regular Expression Complexity in nltk/nltk
Summary
nltk is vulnerable to Inefficient Regular Expression Complexity
Severity
7.5 (High)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/761a761e-2be2-430a-8d9… | x_refsource_CONFIRM |
| https://github.com/nltk/nltk/commit/2a50a3edc9d35… | x_refsource_MISC |
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Mitigation
Phase: Architecture and Design
Description:
- Use regular expressions that do not support backtracking, e.g. by removing nested quantifiers.
Mitigation
Phase: System Configuration
Description:
- Set backtracking limits in the configuration of the regular expression implementation, such as PHP's pcre.backtrack_limit. Also consider limits on execution time for the process.
Mitigation
Phase: Implementation
Description:
- Do not use regular expressions with untrusted input. If regular expressions must be used, avoid using backtracking in the expression.
Mitigation
Phase: Implementation
Description:
- Limit the length of the input that the regular expression will process.
CAPEC-492: Regular Expression Exponential Blowup
An adversary may execute an attack on a program that uses a poor Regular Expression(Regex) implementation by choosing input that results in an extreme situation for the Regex. A typical extreme situation operates at exponential time compared to the input size. This is due to most implementations using a Nondeterministic Finite Automaton(NFA) state machine to be built by the Regex algorithm since NFA allows backtracking and thus more complex regular expressions.