CVE-2023-45322: libxml2 · CVE-2023-45322 is a use-after-free
Affects libxml2Source CVE Database V5
Not known to be exploited.
Data as of 26 Oct 2026, 17:16 UTC
Rated Low by the CNA (mitre) · No CVSS score from NVD or the CNA
- EPSS
- 0.9% chance of exploitation in 30 days – higher than 61% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 6 Oct 2023
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Debiandebian/libxml2pkg:deb/debian/libxml2Other threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Given the vendor's assessment, immediate urgent remediation may not be necessary.
Description
CVE-2023-45322 is a use-after-free vulnerability in libxml2 versions up to 2.11.5 that occurs in the xmlUnlinkNode function in tree.c. This issue can only be triggered after a specific memory allocation failure. The vendor does not consider this vulnerability critical because attackers generally cannot control memory allocation failures.