USN-8554-1: NTFS-3G vulnerabilities
It was discovered that NTFS-3G had a heap buffer overflow when reading certain NTFS images. A local attacker could possibly use this issue to execute arbitrary code. (CVE-2026-42616) It was discovered that NTFS-3G had multiple heap buffer overflows when processing certain NTFS images. A local attacker could possibly use these issues to execute arbitrary code. (CVE-2026-42617, CVE-2026-42618, CVE-2026-46569, CVE-2026-46570, CVE-2026-46572, CVE-2026-56135) It was discovered that NTFS-3G had out-of-bounds reads when processing certain NTFS images. A local attacker could possibly use these issues to obtain sensitive information. (CVE-2026-46571, CVE-2026-56136)
CSIRTS triage
- What
- NTFS-3G has multiple vulnerabilities including heap buffer overflows and out-of-bounds reads.
- Who is affected
- Local attackers can exploit these vulnerabilities in NTFS-3G to execute arbitrary code or obtain sensitive information.
- Urgency
- The urgency is unclear, but the potential for arbitrary code execution is significant.
- Action
- Users should monitor for updates and apply patches as they become available.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://ubuntu.com/security/notices/USN-8554-1
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-42616 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-42617 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-42618 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-46569 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-46570 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-46572 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-56135 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-46571 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-56136 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownDSA-6389-1 ntfs-3g - security updatedebian
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