6.5

CVE-2020-19143: debian debian_linux Out-of-bounds Write

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-19143USN-5084-1DEBIAN-CVE-2020-19143
Published 09-09-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-19143 is a medium (CVSS 6.5) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 1.46% chance of exploitation in the next 30 days, higher than 73.1% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.46%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
MGASA-2021-0098

Timeline

  1. 09-09-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of service via the "TIFFVGetField" funtion in the component 'libtiff/tif_dir.c'.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.46%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

0.00 pp

From 1.46% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
  • tiff< 4.1.0+git201212-1 | < 4.1.0+git191117-2~deb10u3
  • debian_linuxEOL11.0
Simplesystems1 product
Ubuntu1 product
  • tiff< 4.1.0+git191117-2ubuntu0.20.04.2

3 vendors · 4 products

References

9 links