Vulnerability Database · Debian · Package report
libxml2: vulnerability history, versions and safety
libxml2 is a package in the Debian ecosystem. Vulert records 13 vulnerabilities for it across 49 releases, from Jun 2025 to Sep 2026. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.
No patched version yet — these are the ones to plan around.
See the unfixed vulnerabilities →No published version shipped hostile code.
Vulert verdict on libxml2 i
Updated on 23 Oct 2026
Careful: 11 of the 13 vulnerabilities Vulert records for this package have no fix yet. Plan around those, or apply the workaround listed for each. The rest have a fixed version to move to.
What to do: Plan around the 11 vulnerabilities with no published fix: each lists the affected range and any workaround that reduces exposure. No fix yet: Vulert alerts you the moment one is published. Monitor it with Vulert →
- Vulnerabilities on record 13 over 1 year · 10 in the last year i
- Latest disclosure 17 Sep 2026 i
- Highest CVSS 8.5 i
- With no published fix 11 i
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01 Versions
Which versions are affected
Every version Vulert holds for libxml2, newest first, with the vulnerabilities that name it. A version with a count of zero has no recorded vulnerabilities; open a version to see the vulnerabilities it is exposed to.
Newest 49 of 49 versions on record. Severity counts are the vulnerabilities recorded against that exact release.
02 Disclosure history
How often vulnerabilities are recorded
Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 10 of the 13 were recorded in the last 12 months.
Other ways into the data
03 Vulnerabilities
Recorded vulnerabilities for libxml2
| Vulnerability | Severity | Fixed version ↑ | Disclosed ↑ |
|---|---|---|---|
| Critical Double-Free Vulnerability in libxml2 Affects Python Applications | 8.5 high | No fix published | 08 Sep 2026 |
| Denial of Service Vulnerability in libxml2: NULL Pointer Dereference during XML Catalog Parsing | 5.5 medium | No fix published | 17 Sep 2026 |
| NULL Pointer Dereference Vulnerability in libxml2: Denial of Service Risk | N/A unrated | No fix published | 16 Jun 2025 |
| Critical Security Update for libxml2: Addressing Multiple Vulnerabilities | N/A unrated | 2.9.14+dfsg-1.3~deb12u2 | 26 Jun 2025 |
| Critical Security Update for libxml2: Addressing Vulnerabilities | N/A unrated | 2.9.14+dfsg-1.3~deb12u4 | 29 Aug 2025 |
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Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315
