OPENSUSE-SU-2026:21423-1
Vulnerability from csaf_opensuse - Published: 2026-07-22 16:48 - Updated: 2026-09-17 17:39Summary
Security update for jline3
Severity
Important
Notes
Title of the patch: Security update for jline3
Description of the patch: This update for jline3 fixes the following issues:
- CVE-2026-56740: unauthenticated remote memory exhaustion via unbounded Telnet `NEW-ENVIRON` variables (bsc#1269021).
- CVE-2026-56741: unauthenticated remote DoS via Unbounded Telnet NAWS Terminal Geometry (bsc#1270083).
Changes for jline3:
- Update to upstream version 3.30.15
+ fix: guard regex matching against catastrophic backtracking
(ReDoS) (#2018, backport of #2012):
* Adds SafeRegex utility with TimeoutCharSequence to enforce
wall-clock deadlines during regex matching
* Fixes 8 locations across terminal, reader, and builtins
where user-controlled input could trigger catastrophic
backtracking
* Addresses GHSA-r2xf-8xr9-62gw, GHSA-2v9w-34q6-wpqx,
GHSA-ph9c-7hw9-vhhw, GHSA-5q95-hrpc-m3w3
+ fix: backport security hardening (#1986, #1995):
* Create persisted history file with owner-only permissions
* Use exclusive create for extracted native library temp files
+ fix: warn on insecure permissions when history file created
concurrently
Patchnames: openSUSE-Leap-16.0-1334
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
7.5 (High)
Affected products
Recommended
25 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: openSUSE Leap 16.0:jline3-0:3.30.15-160000.1.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-0:3.30.15-160000.1.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-0:3.30.15-160000.1.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-0:3.30.15-160000.1.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-builtins-0:3.30.15-160000.1.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-console-0:3.30.15-160000.1.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-console-ui-0:3.30.15-160000.1.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-curses-0:3.30.15-160000.1.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-jansi-0:3.30.15-160000.1.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-jansi-0:3.30.15-160000.1.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-jansi-0:3.30.15-160000.1.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-jansi-0:3.30.15-160000.1.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-jansi-core-0:3.30.15-160000.1.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-javadoc-0:3.30.15-160000.1.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-native-0:3.30.15-160000.1.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-native-0:3.30.15-160000.1.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-native-0:3.30.15-160000.1.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-native-0:3.30.15-160000.1.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-reader-0:3.30.15-160000.1.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-remote-telnet-0:3.30.15-160000.1.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-style-0:3.30.15-160000.1.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-terminal-0:3.30.15-160000.1.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-terminal-jansi-0:3.30.15-160000.1.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-terminal-jna-0:3.30.15-160000.1.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 16.0:jline3-terminal-jni-0:3.30.15-160000.1.1.noarch | — |
Vendor Fix
|
Threats
Impact
important
7.5 (High)
Affected products
Recommended
25 products, the same list as for
CVE-2026-56740
Threats
Impact
important
References
10 references
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{
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"product_identification_helper": {
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{
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{
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{
"branches": [
{
"category": "product_version",
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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