Double Free in Apple Ipados
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 to subsequent logic errors. In one case, a double-free can be provoked.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.058 (93.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.058 · newest: 0.058 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.gnome.org/GNOME/libxml2/-/tags (Third Party Advisory, Release Notes)
- gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3 (Patch, Third Party Advisory, Release Notes)
- gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c54ef1d80b (Patch, Third Party Advisory)
- security.netapp.com/advisory/ntap-20221209-0003/ (Third Party Advisory)
- support.apple.com/kb/HT213534 (Third Party Advisory)
- support.apple.com/kb/HT213533 (Third Party Advisory)
- support.apple.com/kb/HT213531 (Third Party Advisory)
- support.apple.com/kb/HT213536 (Third Party Advisory)
- support.apple.com/kb/HT213535 (Third Party Advisory)
- seclists.org/fulldisclosure/2022/Dec/21 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-40304?
- CVE-2022-40304 is a high-severity vulnerability in Apple Ipados, classified under Double Free. CVSS score: 7.8/10. Published 2022-11-23.
- How severe is CVE-2022-40304?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-40304 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.