VulnerabilityModified
CVE-2020-15652
By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect.
MEDIUM 6.5EPSS 1.26%
Does this matter?
Lower severity and a low EPSS score (1.26%). Track it; it rarely justifies an emergency change on its own.
Description
By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script. This vulnerability affects Firefox < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, Thunderbird < 68.11, and Thunderbird < 78.1.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- EPSS
- 1.26% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-346
- Affected
- mozilla/firefox · mozilla/firefox esr · mozilla/thunderbird · canonical/ubuntu linux
- Source
- security@mozilla.org
References
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00022.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00032.htmlBroken Link
- https://bugzilla.mozilla.org/show_bug.cgi?id=1634872Issue Tracking, Vendor Advisory
- https://usn.ubuntu.com/4443-1/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-30/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-31/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-32/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-33/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-35/Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00022.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00032.htmlBroken Link
- https://bugzilla.mozilla.org/show_bug.cgi?id=1634872Issue Tracking, Vendor Advisory
- https://usn.ubuntu.com/4443-1/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-30/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-31/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-32/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-33/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-35/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.