VDB
DEBIAN-CVE-2022-43680
DEBIAN-CVE-2022-43680
PUBLISHED
CVSS 7.5 HIGH
In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | expat | 0, 0, 0 |
| Debian:11 | expat | 2.2.10-2+deb11u3, *, * |
| Debian:14 | expat | 0, 0, 0 |
| Debian:12 | libxmltok | 1.2-4.2, 0, 1.2-4 |
| Debian:12 | expat | 0, 0, 0 |
| Debian:11 | libxmltok | 1.2-4.1, 1.2-4.2, 1.2-4.1~exp1 |
Exploit Intelligence
- nidhihcl/external_expat_2.1.0_CVE-2022-43680 (github-poc)
- Trinadh465/external_expat-2.1.0_CVE-2022-43680 (github-poc)
Timeline
- Oct 24, 2022 CVE Published
- Apr 28, 2026 CVE Updated