CVE catalog
CVE-2026-41051
csync2 uses insecure temporary directories when compiled with C99 or later, allowing for TOCTOU style attacks on the temporary directories.
- Severity
- Medium · CVSS 5.1
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/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 - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.07% · Oct 25, 2026
csync2 uses insecure temporary directories when compiled with C99 or later, allowing for TOCTOU style attacks on the temporary directories.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | csync2 | sid | 2.0-42-g83b3644-7 | fixed |
| Debian | csync2 | forky | 2.0-42-g83b3644-7 | fixed |
| Debian | csync2 | trixie | 2.0-42-g83b3644-3 | vulnerable |
| Debian | csync2 | bookworm | 2.0-42-g83b3644-2 | vulnerable |
| Cpe | csync2 | Not reported | Not reported | vulnerable |
| Suse | csync2 | linux enterprise server for sap applications 16.0 | 2.0+git.1600444747.83b3644-160000.3.1 | fixed |
| Suse | csync2 | linux enterprise high availability extension 16.0 | 2.0+git.1600444747.83b3644-160000.3.1 | fixed |
| Opensuse | csync2 | tumbleweed | 2.0+git.1600444747.83b3644-3.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | csync2 | source | sid | 2.0-42-g83b3644-6 | not yet assigned | Not reported | Not reported |
| Debian | csync2 | source | forky | 2.0-42-g83b3644-6 | not yet assigned | Not reported | Not reported |
| Debian | csync2 | source | trixie | (unfixed) | not yet assigned | Not reported | Not reported |
| Debian | csync2 | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
| Suse | csync2 | rpm | linux enterprise server for sap applications 16.0 | 2.0+git.1600444747.83b3644-160000.3.1 | Not reported | SUSE-SU-2026:22041-1 | Not reported |
| Suse | csync2 | rpm | linux enterprise high availability extension 16.0 | 2.0+git.1600444747.83b3644-160000.3.1 | Not reported | SUSE-SU-2026:21994-1 | Not reported |
| Opensuse | csync2 | rpm | tumbleweed | 2.0+git.1600444747.83b3644-3.1 | Not reported | OPENSUSE-SU-2026:10600-1 | Not reported |
Notes
[trixie] csync2: Minor issue [bookworm] csync2: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [csync2]Affected
Details (2)
2.0-42-g83b3644-2· amd64 · bookwormAffected
nvd · csync2 · debian · bookworm; nvd · csync2 · debian · 12
2.0-42-g83b3644-2· arm64 · bookwormAffected
nvd · csync2 · debian · bookworm; nvd · csync2 · debian · 12
[Debian 13 (Trixie)]
- [csync2]Affected
Details (2)
2.0-42-g83b3644-3· amd64 · trixieAffected
nvd · csync2 · debian · 13
2.0-42-g83b3644-3· arm64 · trixieAffected
nvd · csync2 · debian · 13
[openSUSE Tumbleweed]
Observed:
References
- [https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-41051]
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_10600-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-41051]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-41051]
- [https://osv.dev/vulnerability/SUSE-SU-2026:21994-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:22041-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:10600-1]
- [https://security-tracker.debian.org/tracker/CVE-2026-41051]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]