7.5

CVE-2020-16845: debian debian_linux Loop with Unreachable Exit Condition

Modified
AliasesRHSA-2020:5159UBUNTU-CVE-2020-16845USN-5725-1
Published 06-08-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-16845 is a high (CVSS 7.5) Loop with Unreachable Exit Condition vulnerability in debian debian_linux. EPSS estimates a 4.86% chance of exploitation in the next 30 days, higher than 92% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 5% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
4.86%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 26 · Related 5
DLA-2459-1DLA-2460-1DSA-4848-1MGASA-2020-0325OPENSUSE-SU-2020:1405-1OPENSUSE-SU-2020:1407-1

Timeline

  1. 06-08-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

7 scores · 6 sources · 2 versions

EPSS trend

Probability

4.86%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

No change 0.00 pp

From 4.86% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu6 products
  • golang-1.10All versions (No fix recorded)
  • golang-1.13< 1.13.8-1ubuntu1~18.04.4 | < 1.13.8-1ubuntu1.1 | < 1.13.8-1ubuntu2.22.04.1 | < 1.13.8-1ubuntu1~16.04.3+esm2
  • golang-1.14All versions (No fix recorded)
  • golang-1.6All versions (No fix recorded)
  • golang-1.8All versions (No fix recorded)
Opensuse3 products
  • leapEOL15.1 | 15.2
  • go1.13&distro=openSUSE Leap 15.1< 1.13.15-lp151.8.1
  • go1.13&distro=openSUSE Leap 15.2< 1.13.15-lp152.2.7.1
Debian2 products
Alpine1 product
  • go≥ 1.14, < 1.13.15-r0 | ≥ 1.14, < 1.15-r0
Fedoraproject1 product
Github.com/ulikunitz1 product
  • xz< 0.5.8
Go1 product
  • stdlib≥ 1.14.0-0, < 1.14.7
Golang1 product
  • go< 1.13.15 | ≥ 1.14, < 1.14.7
Redhat1 product
  • faq< 0:0.0.6-5.el8

9 vendors · 17 products

References

45 links
Show all 45 references