CVE-2023-4577 — Uncontrolled Resource Consumption in Mozilla Firefox

CWE-400 — Uncontrolled Resource Consumption13 documents8 sources
Severity
6.5MEDIUMNVD
OSV8.8
EPSS
0.1%
top 72.02%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird
Timeline
PublishedSep 11
Latest updateOct 3

Description

When `UpdateRegExpStatics` attempted to access `initialStringHeap` it could already have been garbage collected prior to entering the function, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

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 — 117
▶NVDmozilla/firefox< 117.0
▶CVEListV5mozilla/firefox_esrunspecified — 115.2
▶NVDmozilla/firefox_esr< 115.2
▶CVEListV5mozilla/thunderbirdunspecified — 115.2

🔴Vulnerability Details

5
OSV
thunderbird vulnerabilities↗2023-10-03
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GHSA
GHSA-fm7w-6qfv-w35j: When `UpdateRegExpStatics` attempted to access `initialStringHeap` it could already have been garbage collected prior to entering the function, which↗2023-09-11
▶
OSV
CVE-2023-4577: When `UpdateRegExpStatics` attempted to access `initialStringHeap` it could already have been garbage collected prior to entering the function, which↗2023-09-11
▶
CVEList
Memory corruption in JIT UpdateRegExpStatics↗2023-09-11
▶
OSV
firefox vulnerabilities↗2023-08-30
▶

📋Vendor Advisories

7
Ubuntu
Thunderbird vulnerabilities↗2023-10-03
▶
Ubuntu
Firefox vulnerabilities↗2023-08-30
▶
Red Hat
Mozilla: Memory corruption in JIT UpdateRegExpStatics↗2023-08-29
▶
Debian
CVE-2023-4577: firefox - When `UpdateRegExpStatics` attempted to access `initialStringHeap` it could alre...↗2023
▶
Mozilla
Mozilla Foundation Security Advisory 2023-38: CVE-2023-4577↗
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CVE-2023-4577 — Uncontrolled Resource Consumption | cvebase