CVE-2020-16845
Go before 1.13.15 and 14.x before 1.14.7 can have an infinite read loop in ReadUvarint and ReadVarint in encoding/binary via invalid inputs.
02 Description
Go before 1.13.15 and 14.x before 1.14.7 can have an infinite read loop in ReadUvarint and ReadVarint in encoding/binary via invalid inputs.
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
- 4.86% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.7% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
- 2020-08-06 17:03Z6 YR AGO
- Last updated
- 2024-08-04 13:45Z2 YR AGO
- Reserved
- 2020-08-04
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')Base
- Data version
- 5.1
- Document digest
- 255909b7ae5bb98ec0ac087e5d442c9bb091dfd9d49ef51c7cb7ef86c2461c9d
05 Affected products
06 References
- groups.google.comhttps://groups.google.com/forum/#%21topic/golang-announce/_ulYYcIWg3Q
- lists.opensuse.orgopenSUSE-SU-2020:1178http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00021.html
- lists.opensuse.orgopenSUSE-SU-2020:1194http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00028.html
- lists.fedoraproject.orgFEDORA-2020-e384830a0dhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RCFJTMKHY5ICGEM5BUFUEDDGSPJ25XU/
- lists.fedoraproject.orgFEDORA-2020-deff052e7ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWRBAH4UZJO3RROQ72SYCUPFCJFA22FO/
- lists.fedoraproject.orgFEDORA-2020-a55f130272https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TACQFZDPA7AUR6TRZBCX2RGRFSDYLI7O/
- lists.fedoraproject.orgFEDORA-2020-b190375a37https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WV2VWKFTH4EJGZBZALVUJQJOAQB5MDQ4/
- lists.opensuse.orgopenSUSE-SU-2020:1405http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00029.html
- lists.opensuse.orgopenSUSE-SU-2020:1407http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00030.html
- lists.debian.org[debian-lts-announce] 20201121 [SECURITY] [DLA 2459-1] golang-1.7 security updatehttps://lists.debian.org/debian-lts-announce/2020/11/msg00037.html
- lists.debian.org[debian-lts-announce] 20201121 [SECURITY] [DLA 2460-1] golang-1.8 security updatehttps://lists.debian.org/debian-lts-announce/2020/11/msg00038.html
- www.debian.orgDSA-4848https://www.debian.org/security/2021/dsa-4848
- www.oracle.comhttps://www.oracle.com/security-alerts/cpuApr2021.html
- groups.google.comhttps://groups.google.com/forum/#%21topic/golang-announce/NyPIaucMgXo
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20200924-0002/
07 Fixed in
Debian 11
- golang-1.15 Fixed in 1.15~rc2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- golang-1.10 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- golang-1.10 No fix yet
- golang-1.6 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- golang-1.10 No fix yet
- golang-1.13 Fixed in 1.13.8-1ubuntu1~18.04.4
- golang-1.8 No fix yet
- golang-1.9 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- golang-1.13 Fixed in 1.13.8-1ubuntu1.1
- golang-1.14 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- golang-1.13 Fixed in 1.13.8-1ubuntu2.22.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- golang-1.13 Fixed in 1.13.8-1ubuntu1~16.04.3+esm2Available with Ubuntu Pro: https://ubuntu.com/pro
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.