When processing surfaces, the lifetime may outlive a persistent buffer leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 81.
CVE-2020-15675
This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 8.8
- EG Score
- 8.8(low)
- EPSS
- 59.3%
- KEV
- Not listed
Published
October 1, 2020
Last Modified
November 21, 2024
References (4)
- security@mozillahttps://bugzilla.mozilla.org/show_bug.cgi?id=1654211
- security@mozillahttps://www.mozilla.org/security/advisories/mfsa2020-42/
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1654211
- af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2020-42/
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | firefox-mozsymbols (81.0+build2-0ubuntu0.16.04.1) @ xenial | 2026-05-23 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 11× in last 7d / 41× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-12 05:44 UTCEPSS rescore
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- 2026-05-23 07:05 UTCEG score recompute
- 2026-05-23 07:05 UTCVendor advisory
- 2026-05-23 07:05 UTCGHSA enrichment
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Frequently asked(5)
What is CVE-2020-15675?
When was CVE-2020-15675 disclosed?
Is CVE-2020-15675 actively exploited?
What is the CVSS score of CVE-2020-15675?
How do I remediate CVE-2020-15675?
Dependency Blast Radius
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