Out-of-bounds Read in Mozilla Firefox
CVE-2018-18504
A crash and out-of-bounds read can occur when the buffer of a texture client is freed while it is still in use during graphic operations. This results is a potentially exploitable crash and the possibility of reading from the memory of the freed buffers. This vulnerability affects Firefox < 65.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Mozilla Firefox
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
Weakness classification (CWE)
References
- www.mozilla.org/security/advisories/mfsa2019-01/ (Vendor Advisory)
- www.securityfocus.com/bid/106773 (VDB Entry, Third Party Advisory, vdb-entry)
- usn.ubuntu.com/3874-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-18504?
- CVE-2018-18504 is a critical-severity vulnerability in Mozilla Firefox, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2019-02-05.
- How severe is CVE-2018-18504?
- Critical severity. CVSS v3 base score is 9.8 out of 10.