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CVE-2022-40674
libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.
High8.1EPSS 2.3%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.3% · top 17% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.
Weakness
Affected products
n/a
- affected n/a
References (15)
- https://github.com/libexpat/libexpat/pull/629 (opens in a new tab)x_transferred
- https://github.com/libexpat/libexpat/pull/640 (opens in a new tab)x_transferred
- DSA-5236 (opens in a new tab)vendor-advisoryx_transferred
- [debian-lts-announce] 20220925 [SECURITY] [DLA 3119-1] expat security update (opens in a new tab)mailing-listx_transferred
- GLSA-202209-24 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-15ec504440 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-c68d90efc3 (opens in a new tab)vendor-advisoryx_transferred
- https://security.netapp.com/advisory/ntap-20221028-0008/ (opens in a new tab)x_transferred
- FEDORA-2022-d93b3bd8b9 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-c22feb71ba (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-dcb1d7bcb1 (opens in a new tab)vendor-advisoryx_transferred
- GLSA-202211-06 (opens in a new tab)vendor-advisoryx_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-558014.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-892048.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-40674)Record last updated .