CVE catalog
CVE-2024-28757
expat: CVE-2024-28757
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.01% · Oct 25, 2026
libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCreate).
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 | fixed |
| Debian | expat | forky | 2.9.0-1 | fixed |
| Debian | expat | trixie | 2.8.3-1~deb13u1 | fixed |
| Debian | expat | trixie-security | 2.9.0-1~deb13u1 | fixed |
| Debian | expat | bookworm | 2.5.0-1+deb12u2 | vulnerable |
| Debian | expat | bookworm-security | 2.5.0-1+deb12u5 | fixed |
| Debian | libxmltok | bookworm | 1.2-4 | vulnerable |
| Cpe | libexpat | Not reported | 2.6.2 | fixed |
| Cpe | fedora | Not reported | Not reported | unknown |
| Cpe | active_iq_unified_manager | Not reported | Not reported | unknown |
| Cpe | oncommand_workflow_automation | Not reported | Not reported | unknown |
| Cpe | ontap | Not reported | Not reported | unknown |
| Cpe | ontap_tools | Not reported | Not reported | unknown |
| Cpe | windows_host_utilities | Not reported | Not reported | unknown |
| Cpe | h300s_firmware | Not reported | Not reported | unknown |
| Cpe | h500s_firmware | Not reported | Not reported | unknown |
| Cpe | h700s_firmware | Not reported | Not reported | unknown |
| Cpe | h410s_firmware | Not reported | Not reported | unknown |
| Cpe | h410c_firmware | Not reported | Not reported | unknown |
| Cpe | h610c_firmware | Not reported | Not reported | unknown |
| Cpe | h610s_firmware | Not reported | Not reported | unknown |
| Alpine | expat | 3.16 | 2.6.2-r0 | fixed |
| Alpine | expat | 3.17 | 2.6.2-r0 | fixed |
| Alpine | expat | 3.18 | 2.6.2-r0 | fixed |
| Alpine | expat | 3.19 | 2.6.2-r0 | fixed |
| Alpine | expat | 3.20 | 2.6.2-r0 | fixed |
| Alpine | expat | 3.21 | 2.6.2-r0 | fixed |
| Alpine | expat | 3.22 | 2.6.2-r0 | fixed |
| Alpine | expat | 3.23 | 2.6.2-r0 | fixed |
| Alpine | expat | 3.24 | 2.6.2-r0 | fixed |
| Suse | expat | linux micro 6.0 | 2.5.0-3.1 | fixed |
| Opensuse | expat | tumbleweed | 2.6.2-1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | expat | source | sid | 2.6.1-2 | unimportant | Not reported | [1065868] |
| Debian | expat | source | forky | 2.6.1-2 | unimportant | Not reported | [1065868] |
| Debian | expat | source | trixie | 2.6.1-2 | unimportant | Not reported | [1065868] |
| Debian | expat | source | bookworm | 2.5.0-1+deb12u4 | not yet assigned | Not reported | [1065868] |
| Debian | libxmltok | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
| Cpe | libexpat | cpe | Not reported | 2.6.2 | Not reported | NVD-CVE-2024-28757 | Not reported |
| Alpine | expat | apk | 3.16 | 2.6.2-r0 | Not reported | ALPINE-CVE-2024-28757 | Not reported |
| Alpine | expat | apk | 3.17 | 2.6.2-r0 | Not reported | ALPINE-CVE-2024-28757 | Not reported |
| Alpine | expat | apk | 3.18 | 2.6.2-r0 | Not reported | ALPINE-CVE-2024-28757 | Not reported |
| Alpine | expat | apk | 3.19 | 2.6.2-r0 | Not reported | ALPINE-CVE-2024-28757 | Not reported |
| Alpine | expat | apk | 3.20 | 2.6.2-r0 | Not reported | ALPINE-CVE-2024-28757 | Not reported |
| Alpine | expat | apk | 3.21 | 2.6.2-r0 | Not reported | ALPINE-CVE-2024-28757 | Not reported |
| Alpine | expat | apk | 3.22 | 2.6.2-r0 | Not reported | ALPINE-CVE-2024-28757 | Not reported |
| Alpine | expat | apk | 3.23 | 2.6.2-r0 | Not reported | ALPINE-CVE-2024-28757 | Not reported |
| Alpine | expat | apk | 3.24 | 2.6.2-r0 | Not reported | ALPINE-CVE-2024-28757 | Not reported |
| Suse | expat | rpm | linux micro 6.0 | 2.5.0-3.1 | Not reported | SUSE-SU-2025:20045-1 | Not reported |
| Opensuse | expat | rpm | tumbleweed | 2.6.2-1.1 | Not reported | OPENSUSE-SU-2024:13779-1 | Not reported |
Notes
[bookworm] libxmltok: Minor issue, no runtime dependencies left
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-784301.json]
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2024_1129-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2024-28757]
- [https://osv.dev/vulnerability/ALPINE-CVE-2024-28757]
- [https://osv.dev/vulnerability/SUSE-SU-2025:20045-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:13779-1]
- [https://security-tracker.debian.org/tracker/CVE-2024-28757]
- [https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-28757.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2355.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]