high8.8
CVE-2020-15656
JIT optimizations involving the Javascript arguments object could confuse later optimizations.
Impact
JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 79.0 |
| Mozilla | Firefox Esr | before 78.1 |
| Mozilla | Thunderbird | before 78.1 |
| Opensuse | Leap | Version 15.2 |
| Canonical | Ubuntu Linux | Versions 16.04, 18.04, 20.04 |
Weakness classification
References
- NVD record
- CVE.org record
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1647293
- https://usn.ubuntu.com/4443-1/
- https://www.mozilla.org/security/advisories/mfsa2020-30/
- https://www.mozilla.org/security/advisories/mfsa2020-32/
- https://www.mozilla.org/security/advisories/mfsa2020-33/
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1647293
- https://usn.ubuntu.com/4443-1/
- https://www.mozilla.org/security/advisories/mfsa2020-30/
- https://www.mozilla.org/security/advisories/mfsa2020-32/
- https://www.mozilla.org/security/advisories/mfsa2020-33/