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CVE-2022-40304
An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading…
High7.8EPSS 5.8%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked.
Timeline
ID reserved
By mitre
- 3 months later
· 3 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 5.8% · top 6.8% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
n/a
- affected n/a
References (20)
- https://gitlab.gnome.org/GNOME/libxml2/-/tags (opens in a new tab)x_transferred
- https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3 (opens in a new tab)x_transferred
- https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c54ef1d80b (opens in a new tab)x_transferred
- https://security.netapp.com/advisory/ntap-20221209-0003/ (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT213534 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT213533 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT213531 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT213536 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT213535 (opens in a new tab)x_transferred
- 20221220 APPLE-SA-2022-12-13-2 iOS 15.7.2 and iPadOS 15.7.2 (opens in a new tab)mailing-listx_transferred
- 20221220 APPLE-SA-2022-12-13-6 macOS Big Sur 11.7.2 (opens in a new tab)mailing-listx_transferred
- 20221220 APPLE-SA-2022-12-13-7 tvOS 16.2 (opens in a new tab)mailing-listx_transferred
- 20221220 APPLE-SA-2022-12-13-5 macOS Monterey 12.6.2 (opens in a new tab)mailing-listx_transferred
- 20221220 APPLE-SA-2022-12-13-8 watchOS 9.2 (opens in a new tab)mailing-listx_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-556635.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-625862.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-337522.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-341067.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-769027.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-2022-40304)Record last updated .