CVE-2018-5161
Crafted message headers can cause a Thunderbird process to hang on receiving the message. This vulnerability affects Thunderbird ESR < 52.8 and Thunderbird < 52.8.
02 Description
Crafted message headers can cause a Thunderbird process to hang on receiving the message. This vulnerability affects Thunderbird ESR < 52.8 and Thunderbird < 52.8.
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
- 1.97% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 80.2% of scored records. A rank, not a probability.
- NVD base score
- 4.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- 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
- 2018-06-11 21:00Z8 YR AGO
- Last updated
- 2024-08-05 05:26Z2 YR AGO
- Reserved
- 2018-01-03
- Assigning CNA
- mozilla
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- af2268861d618a73fc5f51143d4399da96a413798d588a1fa3977cf50eb0603b
05 Affected products
06 References
- access.redhat.comRHSA-2018:1726https://access.redhat.com/errata/RHSA-2018:1726
- security.gentoo.orgGLSA-201811-13https://security.gentoo.org/glsa/201811-13
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-13/
- usn.ubuntu.comUSN-3660-1https://usn.ubuntu.com/3660-1/
- www.securitytracker.com1040946http://www.securitytracker.com/id/1040946
- lists.debian.org[debian-lts-announce] 20180525 [SECURITY] [DLA 1382-1] thunderbird security updatehttps://lists.debian.org/debian-lts-announce/2018/05/msg00013.html
- access.redhat.comRHSA-2018:1725https://access.redhat.com/errata/RHSA-2018:1725
- www.debian.orgDSA-4209https://www.debian.org/security/2018/dsa-4209
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1411720
07 Fixed in
Arch Linux
- thunderbird Fixed in 52.8.0-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- thunderbird Fixed in 1:52.8.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- thunderbird Fixed in 1:52.8.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- thunderbird Fixed in 1:52.8.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- thunderbird Fixed in 1:52.8.0+build1-0ubuntu0.14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- thunderbird Fixed in 1:52.8.0+build1-0ubuntu0.16.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- thunderbird Fixed in 1:52.8.0+build1-0ubuntu0.18.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
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.