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. This
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.57% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 84.8% of scored records. A rank, not a probability.
- NVD base score
- 8.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-07-23 13:26Z7 YR AGO
- Last updated
- 2024-08-04 22:01Z2 YR AGO
- Reserved
- 2019-03-14
- Assigning CNA
- mozilla
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- cfa36b51c4dd67da44c34a82cd25698f982fb00d3bc2aec332af741e0eccbbdc
05 Affected products
06 References
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-21/
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-22/
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-23/
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1538007
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1539598
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1563327
- lists.opensuse.orgopenSUSE-SU-2019:1811http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html
- lists.opensuse.orgopenSUSE-SU-2019:1813http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html
- lists.debian.org[debian-lts-announce] 20190802 [SECURITY] [DLA 1869-1] firefox-esr security updatehttps://lists.debian.org/debian-lts-announce/2019/08/msg00001.html
- lists.debian.org[debian-lts-announce] 20190802 [SECURITY] [DLA 1870-1] thunderbird security updatehttps://lists.debian.org/debian-lts-announce/2019/08/msg00002.html
- security.gentoo.orgGLSA-201908-12https://security.gentoo.org/glsa/201908-12
- security.gentoo.orgGLSA-201908-20https://security.gentoo.org/glsa/201908-20
- lists.opensuse.orgopenSUSE-SU-2019:1990http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html
- lists.opensuse.orgopenSUSE-SU-2019:2251http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
- lists.opensuse.orgopenSUSE-SU-2019:2260http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
07 Fixed in
Arch Linux
- firefox Fixed in 68.0-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- firefox-esr Fixed in 60.8.0esr-1
- thunderbird Fixed in 1:60.8.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- firefox-esr Fixed in 60.8.0esr-1
- thunderbird Fixed in 1:60.8.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- firefox-esr Fixed in 60.8.0esr-1
- thunderbird Fixed in 1:60.8.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- firefox Fixed in 68.0+build3-0ubuntu0.16.04.1
- thunderbird Fixed in 1:60.8.0+build1-0ubuntu0.16.04.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- firefox Fixed in 68.0+build3-0ubuntu0.18.04.1
- mozjs38 No fix yet
- mozjs52 No fix yet
- thunderbird Fixed in 1:60.8.0+build1-0ubuntu0.18.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- mozjs52 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.