CVE-2020-15675 — Use After Free in Mozilla Firefox

CWE-416 — Use After FreeCWE-120 — Classic Buffer Overflow11 documents9 sources
Severity
8.8HIGHNVD
EPSS
0.4%
top 39.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla FirefoxDebian Firefox
Timeline
PublishedOct 1
Latest updateMay 24

Description

When processing surfaces, the lifetime may outlive a persistent buffer leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 81.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages5 packages

▶debiandebian/firefox< firefox 81.0-1 (sid)
▶CVEListV5mozilla/firefoxunspecified — 81
▶NVDmozilla/firefox< 81.0
▶Ubuntumozilla/firefox< 81.0+build2-0ubuntu0.16.04.1+2
▶mozillamozilla/firefox

🔴Vulnerability Details

2
GHSA
GHSA-fhj6-r884-6jpv: When processing surfaces, the lifetime may outlive a persistent buffer leading to memory corruption and a potentially exploitable crash↗2022-05-24
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OSV
CVE-2020-15675: When processing surfaces, the lifetime may outlive a persistent buffer leading to memory corruption and a potentially exploitable crash↗2020-09-25
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📋Vendor Advisories

4
Red Hat
firefox: Use-After-Free in WebGL could result in memory corruption and a potentially exploitable crash↗2020-10-05
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Ubuntu
Firefox vulnerabilities↗2020-09-28
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Debian
CVE-2020-15675: firefox - When processing surfaces, the lifetime may outlive a persistent buffer leading t...↗2020
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Mozilla
Mozilla Foundation Security Advisory 2020-42: CVE-2020-15675↗
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🕵️Threat Intelligence

2
Securelist
IT threat evolution Q3 2020. Non-mobile statistics↗2020-11-20
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Securelist
IT threat evolution Q3 2020. Non-mobile statistics↗2020-11-20
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💬Community

2
Bugzilla
CVE-2020-15675 firefox: Use-After-Free in WebGL could result in memory corruption and a potentially exploitable crash↗2020-10-05
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Bugzilla
AddressSanitizer: heap-use-after-free [@ ~BorrowedSourceSurface] with READ of size 8↗2020-07-21
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