CVE-2023-4577
Mozilla: Memory corruption in JIT UpdateRegExpStatics
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
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.
Cuando `UpdateRegExpStatics` intentó acceder a `initialStringHeap`, es posible que ya se haya recolectado basura antes de ingresar a la función, lo que podría haber provocado un bloqueo explotable. Esta vulnerabilidad afecta a Firefox < 117, Firefox ESR < 115.2 y Thunderbird < 115.2.
The Mozilla Foundation Security Advisory describes this flaw as:
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.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2023-08-29 CVE Reserved
- 2023-08-30 CVE Published
- 2024-08-02 CVE Updated
- 2024-09-17 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (5)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.mozilla.org/security/advisories/mfsa2023-34 | 2023-09-13 | |
| https://www.mozilla.org/security/advisories/mfsa2023-36 | 2023-09-13 | |
| https://www.mozilla.org/security/advisories/mfsa2023-38 | 2023-09-13 | |
| https://access.redhat.com/security/cve/CVE-2023-4577 | 2023-09-07 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2236075 | 2023-09-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Mozilla Search vendor "Mozilla" | Firefox Search vendor "Mozilla" for product "Firefox" | < 117.0 Search vendor "Mozilla" for product "Firefox" and version " < 117.0" | - |
Affected
| ||||||
| Mozilla Search vendor "Mozilla" | Firefox Esr Search vendor "Mozilla" for product "Firefox Esr" | < 115.2 Search vendor "Mozilla" for product "Firefox Esr" and version " < 115.2" | - |
Affected
| ||||||
| Mozilla Search vendor "Mozilla" | Thunderbird Search vendor "Mozilla" for product "Thunderbird" | < 115.2 Search vendor "Mozilla" for product "Thunderbird" and version " < 115.2" | - |
Affected
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