vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2023-0767

HIGH
8.8
CVSS Score
Published: June 2, 2023 at 12:00 AM UTC
Updated: October 24, 2026 at 01:10 PM UTC
3 products affected across 1 vendorFirefoxThunderbirdFirefox ESR

Using Firefox by Mozilla?

Get instant alerts when new vulnerabilities affect Firefox - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH8.8
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Firefox· Mozilla
95%
v < 110.0
Affected range stops below 110, so it looks safe — our inference, not a vendor statement
Affected range stops below 110.0, so it looks safe — our inference, not a vendor statement
Firefox ESR· Mozilla
95%
v < 102.8
Affected range stops below 102.8, so it looks safe — our inference, not a vendor statement
Thunderbird· Mozilla
95%
v < 102.8
Affected range stops below 102.8, so it looks safe — our inference, not a vendor statement

References (6)

Product
Source: [email protected]
https://alas.aws.amazon.com/AL2/ALAS-2023-1992.html
Issue TrackingPermissions RequiredVendor Advisory
Source: [email protected]
https://bugzilla.mozilla.org/show_bug.cgi?id=1804640
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2023-05/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2023-06/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2023-07/
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.netapp.com/advisory/ntap-20230324-0008/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card