CVE catalog
CVE-2025-10966
curl: CVE-2025-10966
- Severity
- Medium · CVSS 6.8
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.43% · Oct 25, 2026
curl's code for managing SSH connections when SFTP was done using the wolfSSH powered backend was flawed and missed host verification mechanisms. This prevents curl from detecting MITM attackers and more.
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 | curl | sid | 8.23.0-1 | fixed |
| Debian | curl | forky | 8.22.0-1 | fixed |
| Debian | curl | trixie | 8.14.1-2+deb13u5 | vulnerable |
| Debian | curl | trixie-security | 8.14.1-2+deb13u7 | vulnerable |
| Debian | curl | bookworm | 7.88.1-10+deb12u15 | vulnerable |
| Debian | curl | bookworm-security | 7.88.1-10+deb12u5 | vulnerable |
| Cpe | curl | Not reported | 8.17.0 | fixed |
| Alpine | curl | 3.23 | 8.17.0-r0 | fixed |
| Alpine | curl | 3.24 | 8.17.0-r0 | fixed |
| Opensuse | curl | tumbleweed | 8.17.0-1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | curl | source | sid | 8.17.0~rc2-1 | unimportant | Not reported | Not reported |
| Debian | curl | source | forky | 8.17.0~rc2-1 | unimportant | Not reported | Not reported |
| Debian | curl | source | trixie | (unfixed) | unimportant | Not reported | Not reported |
| Debian | curl | source | bookworm | (unfixed) | unimportant | Not reported | Not reported |
| Cpe | curl | cpe | Not reported | 8.17.0 | Not reported | NVD-CVE-2025-10966 | Not reported |
| Alpine | curl | apk | 3.23 | 8.17.0-r0 | Not reported | ALPINE-CVE-2025-10966 | Not reported |
| Alpine | curl | apk | 3.24 | 8.17.0-r0 | Not reported | ALPINE-CVE-2025-10966 | Not reported |
| Opensuse | curl | rpm | tumbleweed | 8.17.0-1.1 | Not reported | OPENSUSE-SU-2025:15757-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [curl]Affected
Details (6)
7.88.1-10+deb12u15· amd64 · bookwormAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u15· arm64 · bookwormAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· amd64 · bookworm-backportsAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· arm64 · bookworm-backportsAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· amd64 · bookworm-securityAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· arm64 · bookworm-securityAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
- [libcurl3-gnutls]Affected
Source package: [curl]
Details (6)
7.88.1-10+deb12u15· amd64 · bookwormAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u15· arm64 · bookwormAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· amd64 · bookworm-backportsAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· arm64 · bookworm-backportsAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· amd64 · bookworm-securityAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· arm64 · bookworm-securityAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
- [libcurl3-nss]Affected
Source package: [curl]
Details (4)
7.88.1-10+deb12u15· amd64 · bookwormAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u15· arm64 · bookwormAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· amd64 · bookworm-securityAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· arm64 · bookworm-securityAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
- [libcurl4]Affected
Source package: [curl]
Details (6)
7.88.1-10+deb12u15· amd64 · bookwormAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u15· arm64 · bookwormAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· amd64 · bookworm-backportsAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· arm64 · bookworm-backportsAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· amd64 · bookworm-securityAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· arm64 · bookworm-securityAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
- [libcurl4-doc]Affected
Source package: [curl]
Details (6)
7.88.1-10+deb12u15· all · bookwormAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u15· all · bookwormAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· all · bookworm-backportsAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· all · bookworm-backportsAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· all · bookworm-securityAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· all · bookworm-securityAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
- [libcurl4-gnutls-dev]Affected
Source package: [curl]
Details (6)
7.88.1-10+deb12u15· amd64 · bookwormAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u15· arm64 · bookwormAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· amd64 · bookworm-backportsAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· arm64 · bookworm-backportsAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· amd64 · bookworm-securityAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· arm64 · bookworm-securityAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
- [libcurl4-nss-dev]Affected
Source package: [curl]
Details (4)
7.88.1-10+deb12u15· amd64 · bookwormAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u15· arm64 · bookwormAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· amd64 · bookworm-securityAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· arm64 · bookworm-securityAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
- [libcurl4-openssl-dev]Affected
Source package: [curl]
Details (6)
7.88.1-10+deb12u15· amd64 · bookwormAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u15· arm64 · bookwormAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· amd64 · bookworm-backportsAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
8.14.1-2+deb13u2~bpo13+1· arm64 · bookworm-backportsAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· amd64 · bookworm-securityAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
7.88.1-10+deb12u5· arm64 · bookworm-securityAffected
dsa · curl · debian · bookworm; dsa · curl · debian · 12
[Debian 13 (Trixie)]
- [curl]Affected
Details (5)
8.14.1-2+deb13u4· amd64 · trixieAffected
dsa · curl · debian · 13
8.14.1-2+deb13u4· arm64 · trixieAffected
dsa · curl · debian · 13
8.21.0-2~bpo13+1· amd64 · trixie-backportsAffected
dsa · curl · debian · 13
8.21.0-2~bpo13+1· arm64 · trixie-backportsAffected
dsa · curl · debian · 13
8.14.1-2+deb13u7· amd64 · trixie-securityAffected
dsa · curl · debian · 13
- [libcurl3t64-gnutls]Affected
Source package: [curl]
Details (5)
8.14.1-2+deb13u4· amd64 · trixieAffected
dsa · curl · debian · 13
8.14.1-2+deb13u4· arm64 · trixieAffected
dsa · curl · debian · 13
8.21.0-2~bpo13+1· amd64 · trixie-backportsAffected
dsa · curl · debian · 13
8.21.0-2~bpo13+1· arm64 · trixie-backportsAffected
dsa · curl · debian · 13
8.14.1-2+deb13u7· amd64 · trixie-securityAffected
dsa · curl · debian · 13
- [libcurl4-doc]Affected
Source package: [curl]
Details (5)
8.14.1-2+deb13u4· all · trixieAffected
dsa · curl · debian · 13
8.14.1-2+deb13u4· all · trixieAffected
dsa · curl · debian · 13
8.21.0-2~bpo13+1· all · trixie-backportsAffected
dsa · curl · debian · 13
8.21.0-2~bpo13+1· all · trixie-backportsAffected
dsa · curl · debian · 13
8.14.1-2+deb13u7· all · trixie-securityAffected
dsa · curl · debian · 13
- [libcurl4-gnutls]Affected
Source package: [curl]
Details (2)
8.21.0-2~bpo13+1· amd64 · trixie-backportsAffected
dsa · curl · debian · 13
8.21.0-2~bpo13+1· arm64 · trixie-backportsAffected
dsa · curl · debian · 13
- [libcurl4-gnutls-dev]Affected
Source package: [curl]
Details (5)
8.14.1-2+deb13u4· amd64 · trixieAffected
dsa · curl · debian · 13
8.14.1-2+deb13u4· arm64 · trixieAffected
dsa · curl · debian · 13
8.21.0-2~bpo13+1· amd64 · trixie-backportsAffected
dsa · curl · debian · 13
8.21.0-2~bpo13+1· arm64 · trixie-backportsAffected
dsa · curl · debian · 13
8.14.1-2+deb13u7· amd64 · trixie-securityAffected
dsa · curl · debian · 13
- [libcurl4-openssl-dev]Affected
Source package: [curl]
Details (5)
8.14.1-2+deb13u4· amd64 · trixieAffected
dsa · curl · debian · 13
8.14.1-2+deb13u4· arm64 · trixieAffected
dsa · curl · debian · 13
8.21.0-2~bpo13+1· amd64 · trixie-backportsAffected
dsa · curl · debian · 13
8.21.0-2~bpo13+1· arm64 · trixie-backportsAffected
dsa · curl · debian · 13
8.14.1-2+deb13u7· amd64 · trixie-securityAffected
dsa · curl · debian · 13
- [libcurl4t64]Affected
Source package: [curl]
Details (5)
8.14.1-2+deb13u4· amd64 · trixieAffected
dsa · curl · debian · 13
8.14.1-2+deb13u4· arm64 · trixieAffected
dsa · curl · debian · 13
8.21.0-2~bpo13+1· amd64 · trixie-backportsAffected
dsa · curl · debian · 13
8.21.0-2~bpo13+1· arm64 · trixie-backportsAffected
dsa · curl · debian · 13
8.14.1-2+deb13u7· amd64 · trixie-securityAffected
dsa · curl · debian · 13
[openSUSE Tumbleweed]
- [curl-fish-completion]Unknown
Source package: [curl]
Details (1)
8.21.0-1.2· noarch · tumbleweedUnknown · Fixed:
8.17.0-1.1Version impact unknown
dsa · curl · opensuse · tumbleweed
- [curl-zsh-completion]Unknown
Source package: [curl]
Details (1)
8.21.0-1.2· noarch · tumbleweedUnknown · Fixed:
8.17.0-1.1Version impact unknown
dsa · curl · opensuse · tumbleweed
- [libcurl4]Unknown
Source package: [curl]
Details (1)
8.21.0-1.2· x86_64 · tumbleweedUnknown · Fixed:
8.17.0-1.1Version impact unknown
dsa · curl · opensuse · tumbleweed
- [libcurl4-32bit]Unknown
Source package: [curl]
Details (1)
8.21.0-1.2· x86_64 · tumbleweedUnknown · Fixed:
8.17.0-1.1Version impact unknown
dsa · curl · opensuse · tumbleweed
- [libcurl-devel]Unknown
Source package: [curl]
Details (1)
8.21.0-1.2· x86_64 · tumbleweedUnknown · Fixed:
8.17.0-1.1Version impact unknown
dsa · curl · opensuse · tumbleweed
Observed:
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-253495.json]
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2025_15757-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2025-10966]
- [https://osv.dev/vulnerability/ALPINE-CVE-2025-10966]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2025-10966]
- [https://osv.dev/vulnerability/openSUSE-SU-2025:15757-1]
- [https://security-tracker.debian.org/tracker/CVE-2025-10966]
- [https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-10966.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-2563.json]
[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]