VulnerabilityModified
CVE-2019-9811
As part of a winning Pwn2Own entry, a researcher demonstrated a sandbox escape by installing a malicious language pack and then opening a browser feature that used the compromised translation.
HIGH 8.3EPSS 2.57%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
As part of a winning Pwn2Own entry, a researcher demonstrated a sandbox escape by installing a malicious language pack and then opening a browser feature that used the compromised translation. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
- CVSS 3.1
- 8.3 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
- EPSS
- 2.57% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-74
- Affected
- mozilla/firefox · mozilla/firefox esr · mozilla/thunderbird · debian/debian linux · novell/suse package hub for suse linux enterprise · opensuse/leap
- Source
- security@mozilla.org
References
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlThird Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1538007Issue Tracking, Permissions Required
- https://bugzilla.mozilla.org/show_bug.cgi?id=1539598Exploit, Issue Tracking, Patch, Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1563327Exploit, Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/08/msg00001.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/08/msg00002.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201908-12Third Party Advisory
- https://security.gentoo.org/glsa/201908-20Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-21/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-22/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-23/Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlThird Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1538007Issue Tracking, Permissions Required
- https://bugzilla.mozilla.org/show_bug.cgi?id=1539598Exploit, Issue Tracking, Patch, Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1563327Exploit, Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/08/msg00001.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/08/msg00002.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201908-12Third Party Advisory
- https://security.gentoo.org/glsa/201908-20Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-21/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-22/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-23/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.