Buffer overflow in Mozilla Firefox
CVE-2017-7824
A buffer overflow occurs when drawing and validating elements with the ANGLE graphics library, used for WebGL content. This is due to an incorrect value being passed within the library during checks and results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
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: 0.035 (89.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.035 · change: -0.001
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Thunderbird — versions unspecified
- Debian Linux — versions 7.0, 8.0, 9.0
- Red Hat Enterprise Linux Aus — versions 7.4
- Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
- Red Hat Enterprise Linux Eus — versions 7.4, 7.5
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Enterprise Linux Workstation — versions 6.0, 7.0
Weakness classification (CWE)
References
- bugzilla.mozilla.org/show_bug.cgi (Issue Tracking)
- lists.debian.org/debian-lts-announce/2017/11/msg00000.html (mailing-list, Mailing List, Third Party Advisory)
- www.mozilla.org/security/advisories/mfsa2017-22/ (Vendor Advisory)
- www.securitytracker.com/id/1039465 (VDB Entry, Third Party Advisory, vdb-entry)
- access.redhat.com/errata/RHSA-2017:2831 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:2885 (vendor-advisory, Third Party Advisory)
- www.mozilla.org/security/advisories/mfsa2017-21/ (Vendor Advisory)
- www.debian.org/security/2017/dsa-4014 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/101053 (VDB Entry, Third Party Advisory, vdb-entry)
- www.mozilla.org/security/advisories/mfsa2017-23/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-7824?
- CVE-2017-7824 is a critical-severity vulnerability in Mozilla Firefox, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2018-06-11.
- How severe is CVE-2017-7824?
- Critical severity. CVSS v3 base score is 9.8 out of 10.