libnfs: libnfs through 6.0.2 before 55c18ea does not validate a string size, leading to an integer overflow during a connecti...
CVE-2026-53689 is fixed in 8 products on 1 platform, first by DEBIAN-CVE-2026-53689, released June 10, 2026. It is not reported as exploited. Patch Radar priority: High.
libnfs through 6.0.2 before 55c18ea does not validate a string size, leading to an integer overflow during a connection to a crafted NFS server. This occurs in libnfs_zdr_string in lib/libnfs-zdr.c.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libnfs · Debian 12.15 (bookworm) | 4.0.0-1+deb12u1 | DEBIAN-CVE-2026-53689 | Jun 10, 2026 |
| libnfs · Debian 13.5 (trixie) | 5.0.2-1+deb13u1 | DEBIAN-CVE-2026-53689 | Jun 10, 2026 |
| libnfs · Debian 14 | 5.0.2-1.1 | DEBIAN-CVE-2026-53689 | Jun 10, 2026 |
| libnfs · Fedora 43 | 6.0.2-9.fc43 | FEDORA-2026-2E196B6FA5 | Aug 10, 2026 |
| libnfs · amzn 2023 | 4.0.0-4.amzn2023.0.3 | ALAS2023-2026-1855 | Jun 22, 2026 |
| libnfs · opensuse-leap 16.0 | 5.0.3-160000.4.1 | OPENSUSE-SU-2026:21055-1 | Jun 25, 2026 |
| libnfs · sles 15.6 | 1.11.0-150000.3.3.1 | SUSE-SU-2026:2760-1 | Jul 6, 2026 |
| libnfs · sles 15.7 | 1.11.0-150000.3.3.1 | SUSE-SU-2026:2760-1 | Jul 6, 2026 |
| libnfs · sles 16.0 | 5.0.3-160000.4.1 | SUSE-SU-2026:22363-1 | Jun 25, 2026 |
| libnfs-debuginfo · Fedora 43 | 6.0.2-9.fc43 | FEDORA-2026-2E196B6FA5 | Aug 10, 2026 |
| libnfs-debuginfo · amzn 2023 | 4.0.0-4.amzn2023.0.3 | ALAS2023-2026-1855 | Jun 22, 2026 |
| libnfs-debugsource · Fedora 43 | 6.0.2-9.fc43 | FEDORA-2026-2E196B6FA5 | Aug 10, 2026 |
| libnfs-debugsource · amzn 2023 | 4.0.0-4.amzn2023.0.3 | ALAS2023-2026-1855 | Jun 22, 2026 |
| libnfs-devel · Fedora 43 | 6.0.2-9.fc43 | FEDORA-2026-2E196B6FA5 | Aug 10, 2026 |
| libnfs-devel · amzn 2023 | 4.0.0-4.amzn2023.0.3 | ALAS2023-2026-1855 | Jun 22, 2026 |
| libnfs-utils · Fedora 43 | 6.0.2-9.fc43 | FEDORA-2026-2E196B6FA5 | Aug 10, 2026 |
| libnfs-utils · Ubuntu 22.04.1 LTS (jammy) | 4.0.0-1ubuntu0.1 | libnfs-utils 4.0.0-1ubuntu0.1 | Jun 24, 2026 |
| libnfs-utils · Ubuntu 24.04.5 LTS (noble) | 5.0.2-1ubuntu0.24.04.1 | libnfs-utils 5.0.2-1ubuntu0.24.04.1 | Jun 24, 2026 |
| libnfs-utils · Ubuntu 25.10 (questing) | 5.0.2-1ubuntu0.25.10.1 | libnfs-utils 5.0.2-1ubuntu0.25.10.1 | Jun 24, 2026 |
| libnfs-utils · Ubuntu 26.04.1 LTS (resolute) | 5.0.2-1ubuntu1.1 | libnfs-utils 5.0.2-1ubuntu1.1 | Jun 10, 2026 |
| libnfs-utils · amzn 2023 | 4.0.0-4.amzn2023.0.3 | ALAS2023-2026-1855 | Jun 22, 2026 |
| libnfs-utils-debuginfo · Fedora 43 | 6.0.2-9.fc43 | FEDORA-2026-2E196B6FA5 | Aug 10, 2026 |
| libnfs-utils-debuginfo · amzn 2023 | 4.0.0-4.amzn2023.0.3 | ALAS2023-2026-1855 | Jun 22, 2026 |
| libnfs13 · Ubuntu 22.04.1 LTS (jammy) | 4.0.0-1ubuntu0.1 | libnfs13 4.0.0-1ubuntu0.1 | Jun 24, 2026 |
| libnfs14 · Ubuntu 24.04.5 LTS (noble) | 5.0.2-1ubuntu0.24.04.1 | libnfs14 5.0.2-1ubuntu0.24.04.1 | Jun 24, 2026 |
| libnfs14 · Ubuntu 25.10 (questing) | 5.0.2-1ubuntu0.25.10.1 | libnfs14 5.0.2-1ubuntu0.25.10.1 | Jun 24, 2026 |
| libnfs14 · Ubuntu 26.04.1 LTS (resolute) | 5.0.2-1ubuntu1.1 | libnfs14 5.0.2-1ubuntu1.1 | Jun 10, 2026 |
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