8.8

CVE-2019-9810: mozilla firefox

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2019-9810DEBIAN-CVE-2019-9810
Published 26-04-2019Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2019-9810 is a high (CVSS 8.8) vulnerability in mozilla firefox. EPSS estimates a 29.73% chance of exploitation in the next 30 days, higher than 98.1% of scored vulnerabilities. 4 public exploits are recorded.

Overall risk
51/100
0100
High · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
29.73%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits4reference, exploit-database

Advisory lineage

Upstream 0 · Downstream 21 · Related 11
DLA-1727-1DSA-4417-1MGASA-2019-0129MGASA-2019-0131OPENSUSE-SU-2019:1077-1OPENSUSE-SU-2019:1126-1

Timeline

  1. 26-04-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

29.73%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 29.73% on 19-09-2026

19-09-202619-10-2026
EPSS score
29.73%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

4 found
  • referenceUnverified

    Exploit Reference (bugzilla.mozilla.org)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • exploit-databasedosmultipleUnverified

    Firefox < 66.0.1 - 'Array.prototype.slice' Buffer Overflow

    Maturity: poc

Show all 4 exploits
  • exploit-databaselocalwindows_x86-64Unverified

    Mozilla FireFox (Windows 10 x64) - Full Chain Client Side Attack

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Redhat4 products
Ubuntu4 products
  • firefox< 66.0.1+build1-0ubuntu0.14.04.1 | < 66.0.1+build1-0ubuntu0.16.04.1 | < 66.0.1+build1-0ubuntu0.18.04.1
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
  • thunderbird< 1:60.6.1+build2-0ubuntu0.14.04.1 | < 1:60.6.1+build2-0ubuntu0.16.04.1 | < 1:60.6.1+build2-0ubuntu0.18.04.1
Mozilla3 products
Debian1 product
  • firefox-esr< 60.6.1esr-1

4 vendors · 12 products

References

14 links
Show all 14 references