7.8

CVE-2018-19762: saitoha libsixel Out-of-bounds Write

CVSS: 7.8v3.0HighModified
AliasesUBUNTU-CVE-2018-19762DEBIAN-CVE-2018-19762
Published 30-11-2018Last modified 16-09-2024

Vulnerability summary

CVE-2018-19762 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in saitoha libsixel. EPSS estimates a 0.82% chance of exploitation in the next 30 days, higher than 56.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
0.82%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 30-11-2018
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

There is a heap-based buffer overflow at fromsixel.c (function: image_buffer_resize) in libsixel 1.8.2 that will cause a denial of service or possibly unspecified other impact.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.82%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

-0.01 pp

From 0.82% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.82%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugzilla.redhat.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • libsixel< 1.8.2-2
Saitoha1 product
Ubuntu1 product
  • libsixelAll versions (No fix recorded)

3 vendors · 3 products

References

4 links