CVE-2018-12379
When the Mozilla Updater opens a MAR format file which contains a very long item filename, an out-of-bounds write can be triggered, leading to a potentially exploitable crash. This requires running
02 Description
When the Mozilla Updater opens a MAR format file which contains a very long item filename, an out-of-bounds write can be triggered, leading to a potentially exploitable crash. This requires running
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
- 0.39% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 33.2% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (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:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. 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
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.1
- Document digest
- c2d87343248eafdc8deef32a81c60bb68324837f61ecc541ae2e8cdf2b5a88d4
05 Affected products
06 References
- www.securityfocus.com105280http://www.securityfocus.com/bid/105280
- security.gentoo.orgGLSA-201810-01https://security.gentoo.org/glsa/201810-01
- access.redhat.comRHSA-2018:2693https://access.redhat.com/errata/RHSA-2018:2693
- 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
- www.debian.orgDSA-4327https://www.debian.org/security/2018/dsa-4327
- 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
- access.redhat.comRHSA-2018:2692https://access.redhat.com/errata/RHSA-2018:2692
- access.redhat.comRHSA-2018:3458https://access.redhat.com/errata/RHSA-2018:3458
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-21/
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-25/
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1473113
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 60.2.0esr-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 60.2.0esr-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 60.2.0esr-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.
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.