CVE-2018-12383
If a user saved passwords before Firefox 58 and then later set a master password, an unencrypted copy of these passwords is still accessible. This is because the older stored password file was not
02 Description
If a user saved passwords before Firefox 58 and then later set a master password, an unencrypted copy of these passwords is still accessible. This is because the older stored password file was not
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
- 0.46% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 39.6% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. 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
- 2018-10-18 13:00Z8 YR AGO
- Last updated
- 2024-08-05 08:30Z2 YR AGO
- Reserved
- 2018-06-14
- 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
- 6ace468a105af712caa818203611dbb173b33faa845c0ea4903f2b85308dc0fe
05 Affected products
06 References
- security.gentoo.orgGLSA-201810-01https://security.gentoo.org/glsa/201810-01
- lists.debian.org[debian-lts-announce] 20181112 [SECURITY] [DLA 1575-1] thunderbird security updatehttps://lists.debian.org/debian-lts-announce/2018/11/msg00011.html
- security.gentoo.orgGLSA-201811-13https://security.gentoo.org/glsa/201811-13
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1475775
- www.debian.orgDSA-4327https://www.debian.org/security/2018/dsa-4327
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-23/
- access.redhat.comRHSA-2018:2835https://access.redhat.com/errata/RHSA-2018:2835
- access.redhat.comRHSA-2018:3403https://access.redhat.com/errata/RHSA-2018:3403
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-20/
- www.securitytracker.com1041610http://www.securitytracker.com/id/1041610
- www.securityfocus.com105276http://www.securityfocus.com/bid/105276
- www.securitytracker.com1041701http://www.securitytracker.com/id/1041701
- access.redhat.comRHSA-2018:3458https://access.redhat.com/errata/RHSA-2018:3458
- www.debian.orgDSA-4304https://www.debian.org/security/2018/dsa-4304
- access.redhat.comRHSA-2018:2834https://access.redhat.com/errata/RHSA-2018:2834
- usn.ubuntu.comUSN-3793-1https://usn.ubuntu.com/3793-1/
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-25/
- usn.ubuntu.comUSN-3761-1https://usn.ubuntu.com/3761-1/
07 Fixed in
Arch Linux
- thunderbird Fixed in 60.2.1-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- firefox-esr Fixed in 60.2.1esr-1
- thunderbird Fixed in 1:60.2.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- firefox-esr Fixed in 60.2.1esr-1
- thunderbird Fixed in 1:60.2.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- firefox-esr Fixed in 60.2.1esr-1
- thunderbird Fixed in 1:60.2.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- firefox Fixed in 62.0+build2-0ubuntu0.14.04.3
- thunderbird Fixed in 1:60.2.1+build1-0ubuntu0.14.04.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- firefox Fixed in 62.0+build2-0ubuntu0.16.04.3
- thunderbird Fixed in 1:60.2.1+build1-0ubuntu0.16.04.4
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 62.0+build2-0ubuntu0.18.04.3
- thunderbird Fixed in 1:60.2.1+build1-0ubuntu0.18.04.2
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.