CVE-2016-5276 — Use After Free in Firefox

CWE-416 — Use After Free10 documents7 sources
Severity
9.8CRITICALNVD
OSV6.5OSV4.3
EPSS
1.9%
top 16.63%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Mozilla FirefoxMozilla ThunderbirdDebian Firefox+1 more
Timeline
PublishedSep 22
Latest updateMay 14

Description

Use-after-free vulnerability in the mozilla::a11y::DocAccessible::ProcessInvalidationList function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via an aria-owns attribute.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages5 packages

▶Ubuntumozilla/firefox< 49.0+build4-0ubuntu0.14.04.1+1
▶NVDmozilla/firefox48.0.2+4
▶Ubuntumozilla/thunderbird< 1:45.4.0+build1-0ubuntu0.14.04.1+1
▶debiandebian/firefox< firefox 49.0-1 (sid)
▶debiandebian/firefox-esr< firefox 49.0-1 (sid)

🔴Vulnerability Details

4
GHSA
GHSA-rr7w-29gf-6ffp: Use-after-free vulnerability in the mozilla::a11y::DocAccessible::ProcessInvalidationList function in Mozilla Firefox before 49↗2022-05-14
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OSV
thunderbird vulnerabilities↗2016-10-27
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OSV
firefox vulnerabilities↗2016-09-22
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OSV
CVE-2016-5276: Use-after-free vulnerability in the mozilla::a11y::DocAccessible::ProcessInvalidationList function in Mozilla Firefox before 49↗2016-09-22
▶

📋Vendor Advisories

4
Ubuntu
Thunderbird vulnerabilities↗2016-10-27
▶
Ubuntu
Firefox vulnerabilities↗2016-09-22
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Red Hat
Mozilla: Heap-use-after-free in mozilla::a11y::DocAccessible::ProcessInvalidationList (MFSA 2016-85, MFSA 2016-86)↗2016-09-20
▶
Debian
CVE-2016-5276: firefox - Use-after-free vulnerability in the mozilla::a11y::DocAccessible::ProcessInvalid...↗2016
▶

💬Community

1
Bugzilla
CVE-2016-5276 Mozilla: Heap-use-after-free in mozilla::a11y::DocAccessible::ProcessInvalidationList (MFSA 2016-85, MFSA 2016-86)↗2016-09-20
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