CVE-2019-1543
ChaCha20-Poly1305 with long nonces
02 Description
ChaCha20-Poly1305 with long nonces
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
- 5.70% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 92.6% of scored records. A rank, not a probability.
- NVD base score
- 7.4 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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
- 2019-03-06 21:00Z7 YR AGO
- Last updated
- 2024-09-16 17:43Z2 YR AGO
- Reserved
- 2018-11-28
- Assigning CNA
- openssl
- 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
- ae52f44d24915533ef258c01195ff82aa5b4c328a161595199c8b88f14ea9b15
05 Affected products
06 References
- git.openssl.orghttps://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=f426625b6ae9a7831010750490a5f0ad689c5ba3
- www.openssl.orghttps://www.openssl.org/news/secadv/20190306.txt
- git.openssl.orghttps://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=ee22257b1418438ebaf54df98af4e24f494d1809
- seclists.org20190701 [SECURITY] [DSA 4475-1] openssl security updatehttps://seclists.org/bugtraq/2019/Jul/3
- www.debian.orgDSA-4475https://www.debian.org/security/2019/dsa-4475
- www.oracle.comhttps://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- lists.opensuse.orgopenSUSE-SU-2019:1814http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.html
- lists.fedoraproject.orgFEDORA-2019-00c25b9379https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZBEV5QGDRFUZDMNECFXUSN5FMYOZDE4V/
- lists.fedoraproject.orgFEDORA-2019-9a0a7c0986https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3IVFGSERAZLNJCK35TEM2R4726XIH3Z/
- www.oracle.comhttps://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- access.redhat.comRHSA-2019:3700https://access.redhat.com/errata/RHSA-2019:3700
- www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2020.html
- kc.mcafee.comhttps://kc.mcafee.com/corporate/index?page=content&id=SB10365
07 Fixed in
Arch Linux
- lib32-openssl Fixed in 1:1.1.1.c-1
- openssl Fixed in 1.1.1.c-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- openssl Fixed in 1.1.1c-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- openssl Fixed in 1.1.1c-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- openssl Fixed in 1.1.1c-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- openssl Fixed in 1.1.1-1ubuntu2.1~18.04.2
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.