Upstream information
Description
A flaw has been found in antlr ANTLR4 up to 4.13.2. This affects the function ObjectInputStream.readObject of the file antlr4-maven-plugin/src/main/java/org/antlr/mojo/antlr4/GrammarDependencies.java of the component Maven Plugin. This manipulation causes time-of-check time-of-use. The attack is restricted to local execution. A high degree of complexity is needed for the attack. It is indicated that the exploitability is difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.SUSE information
Overall state of this security issue: Pending
This issue is currently rated as having moderate severity.
| CVSS detail | CNA (VulDB) |
|---|---|
| Base Score | 3.5 |
| Vector | AV:L/AC:H/Au:S/C:P/I:P/A:P |
| Access Vector | Local |
| Access Complexity | High |
| Authentication | Single |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | Partial |
| CVSS detail | CNA (VulDB) | SUSE |
|---|---|---|
| Base Score | 4.5 | 4.5 |
| Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L |
| Attack Vector | Local | Local |
| Attack Complexity | High | High |
| Privileges Required | Low | Low |
| User Interaction | None | None |
| Scope | Unchanged | Unchanged |
| Confidentiality Impact | Low | Low |
| Integrity Impact | Low | Low |
| Availability Impact | Low | Low |
| CVSSv3 Version | 3.1 | 3.1 |
| CVSS detail | CNA (VulDB) | SUSE |
|---|---|---|
| Base Score | 1.1 | 1.1 |
| Vector | CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| Attack Vector | Local | Local |
| Attack Complexity | High | High |
| Attack Requirements | None | None |
| Privileges Required | Low | Low |
| User Interaction | None | None |
| Vulnerable System Confidentiality Impact | Low | Low |
| Vulnerable System Integrity Impact | Low | Low |
| Vulnerable System Availability Impact | Low | Low |
| Subsequent System Confidentiality Impact | None | None |
| Subsequent System Integrity Impact | None | None |
| Subsequent System Availability Impact | None | None |
| CVSSv4 Version | 4.0 | 4.0 |
Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.
| Product(s) | Source package | State |
|---|---|---|
| Products under general support and receiving all security fixes. | ||
| SUSE Linux Enterprise Module for Package Hub 15 SP7 | antlr4 | Affected |
| Products past their end of life and not receiving proactive updates anymore. | ||
| SUSE Linux Enterprise Module for Package Hub 15 SP5 | antlr4 | Affected |
| SUSE Linux Enterprise Module for Package Hub 15 SP6 | antlr4 | Affected |
| openSUSE Leap 15.3 | antlr4 | Affected |
| openSUSE Leap 15.4 | antlr4 | Affected |
| openSUSE Leap 15.5 | antlr4 | Affected |
| openSUSE Leap 15.6 | antlr4 | Affected |
SUSE Timeline for this CVE
CVE page created: Sun Jun 28 18:02:48 2026CVE page last modified: Mon Jun 29 11:32:11 2026