cve-2026-77420
csaf_suse
Description
SUSE CVE-2026-77420
Timeline
- Published
- 2026-09-24 16:28 UTC
- Last Modified
- 2026-09-24
CVSS Details
CVSS details not available.
Affected Products
No product information available.
References
No references available.
Linked Vulnerabilities
{
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"text": "moderate"
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"category": "csaf_vex",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright 2024 SUSE LLC. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
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"notes": [
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"text": "SUSE CVE-2026-77420",
"title": "Title"
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"text": "JLine is a Java library for handling console input. From 3.0.0 until 3.30.15 and 4.3.1, DefaultHistory.matchPatterns(String patterns, String line) in reader/src/main/java/org/jline/reader/impl/history/DefaultHistory.java converts the HISTORY_IGNORE configuration value into a Java regular expression while escaping only part of its syntax, allowing other regex metacharacters to reach the backtracking engine. An attacker who can control application or user configuration can supply a nested-quantifier expression that is reevaluated whenever a command is added to history, consuming excessive CPU and indefinitely blocking the reader thread. This issue is fixed in versions 3.30.15 and 4.3.1.",
"title": "Description of the CVE"
},
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"text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
"title": "Terms of use"
}
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{
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"url": "https://www.suse.com/support/security/rating/"
},
{
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"summary": "SUSE Bug 1282543 for CVE-2026-77420",
"url": "https://bugzilla.suse.com/1282543"
}
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"title": "SUSE CVE CVE-2026-77420",
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"vulnerabilities": [
{
"cve": "CVE-2026-77420",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-77420"
}
],
"notes": [
{
"category": "general",
"text": "JLine is a Java library for handling console input. From 3.0.0 until 3.30.15 and 4.3.1, DefaultHistory.matchPatterns(String patterns, String line) in reader/src/main/java/org/jline/reader/impl/history/DefaultHistory.java converts the HISTORY_IGNORE configuration value into a Java regular expression while escaping only part of its syntax, allowing other regex metacharacters to reach the backtracking engine. An attacker who can control application or user configuration can supply a nested-quantifier expression that is reevaluated whenever a command is added to history, consuming excessive CPU and indefinitely blocking the reader thread. This issue is fixed in versions 3.30.15 and 4.3.1.",
"title": "CVE description"
}
],
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"url": "https://www.suse.com/security/cve/CVE-2026-77420"
},
{
"category": "external",
"summary": "SUSE Security Ratings",
"url": "https://www.suse.com/support/security/rating/"
},
{
"category": "external",
"summary": "SUSE Bug 1282543 for CVE-2026-77420",
"url": "https://bugzilla.suse.com/1282543"
}
],
"threats": [
{
"category": "impact",
"date": "2026-09-23T20:11:05Z",
"details": "moderate"
}
],
"title": "CVE-2026-77420"
}
]
}