Buffer overflow in Xnview Mp
CVE-2020-23886
XnView MP v0.96.4 was discovered to contain a heap overflow which allows attackers to cause a denial of service (DoS) via a crafted pict file. Related to a User Mode Write AV starting at ntdll!RtlpLowFragHeapFree.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.010 (60.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cwe.mitre.org/data/definitions/122.html (Technical Description)
- github.com/Aurorainfinity/vulnerabilities/tree/master/xnviewmp (Exploit, Third Party Advisory)
- www.xnview.com/en/xnviewmp/ (Product, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-23886?
- CVE-2020-23886 is a medium-severity vulnerability in Xnview Mp, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2021-11-10.
- How severe is CVE-2020-23886?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-23886 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.