Bug 2549954 (CVE-2026-109380)
| Summary: | CVE-2026-109380 modern-tar: modern-tar: Denial of Service via memory exhaustion from crafted archives | ||
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| Product: | [Other] Security Response | Reporter: | OSIDB Bzimport <bzimport> |
| Component: | vulnerability | Assignee: | Product Security DevOps Team <prodsec-dev> |
| Status: | NEW --- | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | unspecified | CC: | rhel-process-autobot, watson-tool-maintainers |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | --- | |
| Doc Text: |
A flaw was found in modern-tar. A remote attacker can trigger a Denial of Service (DoS) by supplying a specially crafted archive containing malformed entry size values. When processing the invalid data, the parser fails to properly calculate file sizes and buffers data indefinitely, leading to memory exhaustion and process termination.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 2550348 | ||
| Bug Blocks: | |||
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Description
OSIDB Bzimport
2026-10-12 21:03:13 UTC
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