8.1

CVE-2024-1557: mozilla firefox Out-of-bounds Write

CVSS: 8.1v3.1HighAnalyzed
AliasesUBUNTU-CVE-2024-1557CGA-2hjj-r573-rx5cCGA-694m-jwxc-qrrr
Published 20-02-2024Last modified 12-08-2024
Open JSON

Vulnerability summary

CVE-2024-1557 is a high (CVSS 8.1) Out-of-bounds Write vulnerability in mozilla firefox. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.4% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.56%
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 3 · Related 4
OPENSUSE-SU-2024:13728-1OPENSUSE-SU-2024:14572-1USN-6649-1CGA-5QP9-4255-G888

Timeline

  1. 20-02-2024
    PublishedVulnerability first disclosed.
  2. 12-08-2024
    Last modifiedVulnerability information updated.

Description

Memory safety bugs present in Firefox 122. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 123.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

0.00 pp

From 0.56% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.56%

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

Ubuntu7 products
  • firefox< 123.0+build3-0ubuntu0.20.04.1
  • mozjs102All versions (No fix recorded)
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
  • mozjs68All versions (No fix recorded)
Chainguard1 product
  • firefox-esr< 123-r0
Mozilla1 product
  • firefox≥ unspecified, < 123 | < 123.0

3 vendors · 9 products

References

6 links