CVE-2022-3266 — Out-of-bounds Read in Mozilla Firefox

CWE-125 — Out-of-bounds Read13 documents9 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 74.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird
Timeline
PublishedDec 22

Description

An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages8 packages

▶CVEListV5mozilla/firefoxunspecified — 105
▶NVDmozilla/firefox< 105.0
▶CVEListV5mozilla/firefox_esrunspecified — 102.3
▶NVDmozilla/firefox_esr< 102.3
▶CVEListV5mozilla/thunderbirdunspecified — 102.3

🔴Vulnerability Details

4
CVEList
CVE-2022-3266: An out-of-bounds read can occur when decoding H264 video↗2022-12-22
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OSV
CVE-2022-3266: An out-of-bounds read can occur when decoding H264 video↗2022-12-22
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GHSA
GHSA-m3h7-qq8m-r923: An out-of-bounds read can occur when decoding H264 video↗2022-12-22
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OSV
thunderbird vulnerabilities↗2022-11-11
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📋Vendor Advisories

7
Ubuntu
Thunderbird vulnerabilities↗2022-11-11
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Ubuntu
Firefox vulnerabilities↗2022-09-30
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Red Hat
Mozilla: Out of bounds read when decoding H264↗2022-09-20
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Debian
CVE-2022-3266: firefox - An out-of-bounds read can occur when decoding H264 video. This results in a pote...↗2022
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Mozilla
Mozilla Foundation Security Advisory 2022-41: CVE-2022-3266↗
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💬Community

1
Bugzilla
Crash in UpdateSubresource when playing H264↗2022-05-03
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CVE-2022-3266 — Out-of-bounds Read in Mozilla Firefox | cvebase