CVE-2022-22742 — Out-of-bounds Read in Mozilla Firefox

CWE-125 — Out-of-bounds ReadCWE-120 — Classic Buffer Overflow13 documents8 sources
Severity
6.5MEDIUMNVD
OSV8.8
EPSS
0.3%
top 45.07%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird
Timeline
PublishedDec 22

Description

When inserting text while in edit mode, some characters might have lead to out-of-bounds memory access causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages8 packages

▶CVEListV5mozilla/firefoxunspecified — 96
▶NVDmozilla/firefox< 96.0
▶CVEListV5mozilla/firefox_esrunspecified — 91.5
▶CVEListV5mozilla/thunderbirdunspecified — 91.5

🔴Vulnerability Details

4
GHSA
GHSA-55r4-xqfm-9443: When inserting text while in edit mode, some characters might have lead to out-of-bounds memory access causing a potentially exploitable crash↗2022-12-22
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CVEList
CVE-2022-22742: When inserting text while in edit mode, some characters might have lead to out-of-bounds memory access causing a potentially exploitable crash↗2022-12-22
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OSV
CVE-2022-22742: When inserting text while in edit mode, some characters might have lead to out-of-bounds memory access causing a potentially exploitable crash↗2022-12-22
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OSV
thunderbird vulnerabilities↗2022-01-21
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📋Vendor Advisories

8
Ubuntu
Thunderbird vulnerabilities↗2022-01-21
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Ubuntu
Thunderbird vulnerabilities↗2022-01-21
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Ubuntu
Firefox vulnerabilities↗2022-01-13
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Red Hat
Mozilla: Out-of-bounds memory access when inserting text in edit mode↗2022-01-11
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Debian
CVE-2022-22742: firefox - When inserting text while in edit mode, some characters might have lead to out-o...↗2022
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CVE-2022-22742 — Out-of-bounds Read in Mozilla Firefox | cvebase