CVE catalog
CVE-2025-66382
expat: CVE-2025-66382
- Severity
- Medium · CVSS 4
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.20% · Oct 25, 2026
In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time.
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 | expat | sid | 2.9.0-1 | vulnerable |
| Debian | expat | forky | 2.9.0-1 | vulnerable |
| Debian | expat | trixie | 2.8.3-1~deb13u1 | vulnerable |
| Debian | expat | trixie-security | 2.9.0-1~deb13u1 | vulnerable |
| Debian | expat | bookworm | 2.5.0-1+deb12u2 | vulnerable |
| Debian | expat | bookworm-security | 2.5.0-1+deb12u5 | vulnerable |
| Cpe | libexpat | Not reported | Not reported | unknown |
| Opensuse | tdom | tumbleweed | 0.9.6-1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | expat | source | sid | (unfixed) | not yet assigned | Not reported | [1121543] |
| Debian | expat | source | forky | (unfixed) | not yet assigned | Not reported | [1121543] |
| Debian | expat | source | trixie | (unfixed) | not yet assigned | Not reported | [1121543] |
| Debian | expat | source | bookworm | (unfixed) | not yet assigned | Not reported | [1121543] |
| Opensuse | tdom | rpm | tumbleweed | 0.9.6-1.1 | Not reported | OPENSUSE-SU-2026:10087-1 | Not reported |
Notes
[trixie] expat: Minor issue, revisit when fixed upstream [bookworm] expat: Minor issue, revisit when fixed upstream
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [expat]Affected
Details (4)
2.5.0-1+deb12u2· amd64 · bookwormAffected
dsa · expat · debian · bookworm; dsa · expat · debian · 12
2.5.0-1+deb12u2· arm64 · bookwormAffected
dsa · expat · debian · bookworm; dsa · expat · debian · 12
2.5.0-1+deb12u3· amd64 · bookworm-securityAffected
dsa · expat · debian · bookworm; dsa · expat · debian · 12
2.5.0-1+deb12u3· arm64 · bookworm-securityAffected
dsa · expat · debian · bookworm; dsa · expat · debian · 12
- [libexpat1]Affected
Source package: [expat]
Details (4)
2.5.0-1+deb12u2· amd64 · bookwormAffected
dsa · expat · debian · bookworm; dsa · expat · debian · 12
2.5.0-1+deb12u2· arm64 · bookwormAffected
dsa · expat · debian · bookworm; dsa · expat · debian · 12
2.5.0-1+deb12u3· amd64 · bookworm-securityAffected
dsa · expat · debian · bookworm; dsa · expat · debian · 12
2.5.0-1+deb12u3· arm64 · bookworm-securityAffected
dsa · expat · debian · bookworm; dsa · expat · debian · 12
- [libexpat1-dev]Affected
Source package: [expat]
Details (4)
2.5.0-1+deb12u2· amd64 · bookwormAffected
dsa · expat · debian · bookworm; dsa · expat · debian · 12
2.5.0-1+deb12u2· arm64 · bookwormAffected
dsa · expat · debian · bookworm; dsa · expat · debian · 12
2.5.0-1+deb12u3· amd64 · bookworm-securityAffected
dsa · expat · debian · bookworm; dsa · expat · debian · 12
2.5.0-1+deb12u3· arm64 · bookworm-securityAffected
dsa · expat · debian · bookworm; dsa · expat · debian · 12
[Debian 13 (Trixie)]
- [expat]Affected
Details (6)
2.7.1-2· amd64 · trixieAffected
dsa · expat · debian · 13
2.7.1-2· arm64 · trixieAffected
dsa · expat · debian · 13
2.8.2-1~deb13u1· amd64 · trixie-security · Historical versionAffected
dsa · expat · debian · 13
2.8.3-1~deb13u1· amd64 · trixie-security · Historical versionAffected
dsa · expat · debian · 13
2.8.3-1~deb13u1· arm64 · trixie-securityAffected
dsa · expat · debian · 13
2.9.0-1~deb13u1· amd64 · trixie-securityAffected
dsa · expat · debian · 13
- [libexpat1]Affected
Source package: [expat]
Details (6)
2.7.1-2· amd64 · trixieAffected
dsa · expat · debian · 13
2.7.1-2· arm64 · trixieAffected
dsa · expat · debian · 13
2.8.2-1~deb13u1· amd64 · trixie-security · Historical versionAffected
dsa · expat · debian · 13
2.8.3-1~deb13u1· amd64 · trixie-security · Historical versionAffected
dsa · expat · debian · 13
2.8.3-1~deb13u1· arm64 · trixie-securityAffected
dsa · expat · debian · 13
2.9.0-1~deb13u1· amd64 · trixie-securityAffected
dsa · expat · debian · 13
- [libexpat1-dev]Affected
Source package: [expat]
Details (6)
2.7.1-2· amd64 · trixieAffected
dsa · expat · debian · 13
2.7.1-2· arm64 · trixieAffected
dsa · expat · debian · 13
2.8.2-1~deb13u1· amd64 · trixie-security · Historical versionAffected
dsa · expat · debian · 13
2.8.3-1~deb13u1· amd64 · trixie-security · Historical versionAffected
dsa · expat · debian · 13
2.8.3-1~deb13u1· arm64 · trixie-securityAffected
dsa · expat · debian · 13
2.9.0-1~deb13u1· amd64 · trixie-securityAffected
dsa · expat · debian · 13
[openSUSE Tumbleweed]
- [tdom-devel]Unknown
Source package: [tdom]
Details (1)
0.9.6-1.6· x86_64 · tumbleweedUnknown · Fixed:
0.9.6-1.1Version impact unknown
dsa · tdom · opensuse · tumbleweed
- [tdom]Fixed
Source package: [tdom]
Details (1)
0.9.6-1.6· x86_64 · tumbleweedFixed · Fixed:
0.9.6-1.1dsa · tdom · opensuse · tumbleweed
Observed:
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-082556.json]
- [https://ftp.suse.com/pub/projects/security/]
- [https://nvd.nist.gov/vuln/detail/CVE-2025-66382]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2025-66382]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:10087-1]
- [https://security-tracker.debian.org/tracker/CVE-2025-66382]
- [https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-66382.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2189.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]