DEBIAN-CVE-2021-3537
Record from OSV · Published May 14, 2021
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| libxml2 | Debian:14 | 2.9.10+dfsg-6.6 |
| libxml2 | Debian:13 | 2.9.10+dfsg-6.6 |
| libxml2 | Debian:12 | 2.9.10+dfsg-6.6 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | libxml2 | 0 |
| Debian:13 | libxml2 | 0 |
| Debian:12 | libxml2 | 0 |
Timeline
- May 14, 2021 CVE Published
- Oct 15, 2026 CVE Updated
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln DEBIAN-CVE-2021-3537
vulnetix vdb fixes DEBIAN-CVE-2021-3537
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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/DEBIAN-CVE-2021-3537/fixes/registry"
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