CVE-2022-26381 — Use After Free in Mozilla Firefox

CWE-416 — Use After Free18 documents9 sources
Severity
8.8HIGHNVD
EPSS
0.2%
top 59.20%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird
Timeline
PublishedDec 22

Description

An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a potentially exploitable crash. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages9 packages

▶CVEListV5mozilla/firefoxunspecified — 98
▶NVDmozilla/firefox< 98.0
▶CVEListV5mozilla/firefox_esrunspecified — 91.7
▶Ubuntumozilla/firefox< 98.0.1+build2-0ubuntu0.18.04.1+5

🔴Vulnerability Details

7
GHSA
GHSA-h4wj-cg8v-jxq5: An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a potentially exploitable crash↗2022-12-22
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CVEList
CVE-2022-26381: An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a potentially exploitable crash↗2022-12-22
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OSV
CVE-2022-26381: An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a potentially exploitable crash↗2022-12-22
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OSV
firefox regressions↗2022-03-24
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OSV
thunderbird vulnerabilities↗2022-03-23
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📋Vendor Advisories

9
Ubuntu
Firefox regressions↗2022-03-24
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Ubuntu
Thunderbird vulnerabilities↗2022-03-23
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Ubuntu
Firefox vulnerabilities↗2022-03-17
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Ubuntu
Firefox vulnerabilities↗2022-03-10
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Red Hat
Mozilla: Use-after-free in text reflows↗2022-03-08
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💬Community

1
Bugzilla
heap-use-after-free [@ mozilla::SVGRenderingObserver::OnNonDOMMutationRenderingChange]↗2021-10-17
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CVE-2022-26381 — Use After Free in Mozilla Firefox | cvebase