8.8

CVE-2018-12359: canonical ubuntu_linux

Modified
AliasesUBUNTU-CVE-2018-12359DEBIAN-CVE-2018-12359
Published 18-10-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-12359 is a high (CVSS 8.8) vulnerability in canonical ubuntu_linux. EPSS estimates a 4.65% chance of exploitation in the next 30 days, higher than 91.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 8.8, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.8/10
010
High · v3.0 (NVD)
EPSS score
4.65%
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 25 · Related 13
DLA-1406-1DLA-1425-1DSA-4235-1DSA-4244-1MGASA-2018-0305MGASA-2018-0316

Timeline

  1. 18-10-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A buffer overflow can occur when rendering canvas content while adjusting the height and width of the canvas element dynamically, causing data to be written outside of the currently computed boundaries. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

4.65%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

No change 0.00 pp

From 4.65% 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, user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat6 products
Debian3 products
  • firefox-esr< 52.9.0esr-1
  • thunderbird< 1:52.9.0-1
  • debian_linuxEOL8.0 | 9.0
Mozilla3 products
  • firefox≥ unspecified, < 61 | < 61.0
  • firefox esr≥ unspecified, < 60.1 | ≥ unspecified, < 52.9 | < 52.9 | ≥ 53.0, < 60.1
  • thunderbird≥ unspecified, < 60 | ≥ unspecified, < 52.9 | < 52.9 | 52.9.1
Ubuntu2 products
  • firefox< 61.0+build3-0ubuntu0.14.04.2 | < 61.0+build3-0ubuntu0.16.04.2 | < 61.0+build3-0ubuntu0.18.04.1
  • thunderbird< 1:52.9.1+build3-0ubuntu0.14.04.1 | < 1:52.9.1+build3-0ubuntu0.16.04.1 | < 1:52.9.1+build3-0ubuntu0.18.04.1
Canonical1 product

5 vendors · 15 products

References

28 links
Show all 28 references