Search/CVE-2023-29535
● CVE — Medium

CVE-2023-29535

VendormozillaProductfirefox, thunderbird, firefox esr, focus, firefox mobileDiscoveredJun 2, 2023UpdatedOct 24, 2026

Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resulted in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.

CVSS v3.1
6.5 MEDIUM
EPSS
0.75%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 19, 2026
● 0.01pp
0.74% → 0.75% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Timeline
disclosure → media coverage
Jun 2, 2023
Disclosure — published as a CVE record. · last revised by NVD Oct 24, 2026