CVE & CISA-KEV Catalog

CVE-2023-29550

HIGH
8.8
CVSS v3
NVD

Description

Memory safety bugs present in Firefox 111 and Firefox ESR 102.9. 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 < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.

How to fix

Remediation Available
firefoxDebian
Fixed in:112.0-1CVE-2023-29550
firefoxUbuntu
Fixed in:112.0+build2-0ubuntu0.18.04.1USN-6010-1
Fixed in:112.0+build2-0ubuntu0.20.04.1USN-6010-1
libmozjs-102-0Ubuntu
Fixed in:102.11.0-0ubuntu0.22.04.1USN-6120-1
Fixed in:102.11.0-0ubuntu0.22.10.1USN-6120-1
Fixed in:102.11.0-0ubuntu0.23.04.1USN-6120-1
mozjs102Ubuntu
Fixed in:102.11.0-0ubuntu0.22.04.1USN-6120-1
Fixed in:102.11.0-0ubuntu0.22.10.1USN-6120-1
Fixed in:102.11.0-0ubuntu0.23.04.1USN-6120-1
thunderbirdUbuntu
Fixed in:1:102.10.0+build2-0ubuntu0.18.04.1USN-6015-1
Fixed in:1:102.10.0+build2-0ubuntu0.20.04.1USN-6015-1
Fixed in:1:102.10.0+build2-0ubuntu0.22.04.1USN-6015-1
Fixed in:1:102.10.0+build2-0ubuntu0.22.10.1USN-6015-1
DeveloperEditionWindows application
Affected:112.0Fixed in:112.0Mozilla
Mozilla Firefox (en-US)Windows application
Affected:112.0Fixed in:112.0Mozilla
Mozilla Firefox ESR (en-US)Windows application
Affected:102.10Fixed in:102.10Mozilla
Mozilla Thunderbird (en-US)Windows application
Affected:102.10Fixed in:102.10Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.70%probability of exploitation in 30 days
49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Issue Tracking1
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CVE-2023-29550 severity badge

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-01-10.