CVE-2020-26959
N/A
N/A
Summary
During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mozilla | Firefox | < 83 | affected |
| Mozilla | Firefox ESR | < 78.5 | affected |
| Mozilla | Thunderbird | < 78.5 | affected |
Weaknesses
- Use-after-free in WebRequestService
ADP Enrichment
CVE Program Container
Additional References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1669466
- https://www.mozilla.org/security/advisories/mfsa2020-50/
- https://www.mozilla.org/security/advisories/mfsa2020-52/
- https://www.mozilla.org/security/advisories/mfsa2020-51/
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1669466
- https://www.mozilla.org/security/advisories/mfsa2020-50/
- https://www.mozilla.org/security/advisories/mfsa2020-52/
- https://www.mozilla.org/security/advisories/mfsa2020-51/
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.