7.5

CVE-2020-19131: debian debian_linux Out-of-bounds Write

CVSS: 7.5v3.1HighModified
AliasesRHSA-2022:1810UBUNTU-CVE-2020-19131DEBIAN-CVE-2020-19131
Published 07-09-2021Last modified 04-08-2024

Vulnerability summary

CVE-2020-19131 is a high (CVSS 7.5) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 2.43% chance of exploitation in the next 30 days, higher than 84% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.43%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Advisory lineage

Upstream 0 · Downstream 7 · Related 6

Timeline

  1. 07-09-2021
    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 "invertImage()" function in the component "tiffcrop".

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.43%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

0.00 pp

From 2.43% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.43%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (bugzilla.maptools.org)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (blog.topsec.com.cn)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Redhat6 products
  • libtiff< 0:4.0.9-21.el8
  • libtiff-debuginfo< 0:4.0.9-21.el8
  • libtiff-debugsource< 0:4.0.9-21.el8
  • libtiff-devel< 0:4.0.9-21.el8
  • libtiff-tools< 0:4.0.9-21.el8
Debian2 products
Simplesystems1 product
Ubuntu1 product
  • tiff< 4.0.3-7ubuntu0.11+esm2 | < 4.0.6-1ubuntu0.8+esm2 | < 4.0.9-5ubuntu0.7

4 vendors · 10 products

References

15 links
Show all 15 references