8.8

CVE-2023-0767: mozilla firefox

CVSS: 8.8v3.1HighModified
AliasesSUSE-SU-2023:0434-1SUSE-SU-2023:0443-1SUSE-SU-2023:0468-1
Published 02-06-2023Last modified 05-05-2025
Open JSON

Vulnerability summary

CVE-2023-0767 is a high (CVSS 8.8) vulnerability in mozilla firefox. EPSS estimates a 0.82% chance of exploitation in the next 30 days, higher than 56.3% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.82%
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 23 · Related 9
DLA-3319-1DLA-3324-1DLA-3327-1DSA-5350-1DSA-5355-1MGASA-2023-0056

Timeline

  1. 02-06-2023
    PublishedVulnerability first disclosed.
  2. 05-05-2025
    Last modifiedVulnerability information updated.

Description

An attacker could construct a PKCS 12 cert bundle in such a way that could allow for arbitrary memory writes via PKCS 12 Safe Bag attributes being mishandled. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.82%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

0.00 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

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Suse29 products
  • mozilla-nss&distro=SUSE Enterprise Storage 7< 3.79.4-150000.3.93.1
  • mozilla-nss&distro=SUSE Enterprise Storage 7.1< 3.79.4-150000.3.93.1
  • mozilla-nss&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS< 3.79.4-150000.3.93.1
  • mozilla-nss&distro=SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS< 3.79.4-150000.3.93.1
  • mozilla-nss&distro=SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS< 3.79.4-150000.3.93.1
Redhat21 products
  • nspr< 0:4.34.0-17.el9_0 | < 0:4.34.0-17.el9_1
  • nspr-debuginfo< 0:4.34.0-17.el9_0 | < 0:4.34.0-17.el9_1
  • nspr-devel< 0:4.34.0-17.el9_0 | < 0:4.34.0-17.el9_1
  • nss< 0:3.79.0-11.el8_7 | < 0:3.79.0-5.el7_9 | < 0:3.79.0-17.el9_0 | < 0:3.44.0-13.el6_10 | < 0:3.79.0-17.el9_1 | < 0:3.79.0-11.el8_6 | < 0:3.67.0-8.el8_4 | < 0:3.53.1-13.el8_2 | < 0:3.44.0-11.el8_1
  • nss-debuginfo< 0:3.79.0-11.el8_7 | < 0:3.79.0-5.el7_9 | < 0:3.79.0-17.el9_0 | < 0:3.44.0-13.el6_10 | < 0:3.79.0-17.el9_1 | < 0:3.79.0-11.el8_6 | < 0:3.67.0-8.el8_4 | < 0:3.53.1-13.el8_2 | < 0:3.44.0-11.el8_1
Ubuntu8 products
  • firefox< 110.0+build3-0ubuntu0.18.04.1 | < 110.0+build3-0ubuntu0.20.04.1
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
  • mozjs68All versions (No fix recorded)
  • mozjs78All versions (No fix recorded)
Debian3 products
  • firefox-esr< 102.8.0esr-1
  • nss< 2:3.87.1-1 | < 2:3.61-1+deb11u3
  • thunderbird< 1:102.8.0-1
Mozilla3 products
Opensuse3 products
  • mozilla-nss&distro=openSUSE Leap 15.4< 3.79.4-150400.3.26.1
  • mozilla-nss&distro=openSUSE Leap Micro 5.2< 3.79.4-150000.3.93.1
  • mozilla-nss&distro=openSUSE Leap Micro 5.3< 3.79.4-150400.3.26.1

6 vendors · 67 products

References

48 links
Show all 48 references