High severity8.8NVD Advisory· Published Oct 1, 2020· Updated Jun 17, 2026
CVE-2020-15669
CVE-2020-15669
Description
When aborting an operation, such as a fetch, an abort signal may be deleted while alerting the objects to be notified. This results in a use-after-free and we presume that with enough effort it could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 68.12 and Thunderbird < 68.12.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
11unspecified+ 2 more
- (no CPE)range: unspecified
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <68.12
- (no CPE)range: <68.12
unspecified+ 2 more
- (no CPE)range: unspecified
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*range: <68.12
- (no CPE)range: <68.12
- osv-coords5 versionspkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.2pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP2pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweed
< 68.12.0-lp151.2.50.1+ 4 more
- (no CPE)range: < 68.12.0-lp151.2.50.1
- (no CPE)range: < 68.12.0-lp152.2.10.1
- (no CPE)range: < 68.12.0-3.94.1
- (no CPE)range: < 68.12.0-3.94.1
- (no CPE)range: < 91.1.1-1.1
Patches
Vulnerability mechanics
References
3- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions RequiredVendor Advisory
- www.mozilla.org/security/advisories/mfsa2020-37/nvdRelease NotesVendor Advisory
- www.mozilla.org/security/advisories/mfsa2020-40/nvdRelease NotesVendor Advisory
News mentions
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