CVE-2019-11757
Mozilla: Use-after-free when creating index updates in IndexedDB
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
Siguiendo la cadena de prototipos de valor, era posible retener una referencia a una configuración regional, eliminarla y, posteriormente, hacer referencia a ella. Esto resultó en un uso de la memoria previamente liberada y un bloqueo explotable potencialmente. Esta vulnerabilidad afecta a Firefox versiones anteriores a la versión 70, Thunderbird versiones anteriores a la versión 68.2 y Firefox ESR versiones anteriores a la versión 68.2.
A use-after-free flaw was found in Mozilla Firefox and Thunderbird. When following a value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. An attacker could use this flaw to execute code that was stored in the referenced memory or crash the system.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2019-05-03 CVE Reserved
- 2019-10-23 CVE Published
- 2024-05-03 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-416: Use After Free
CAPEC
References (7)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://security.gentoo.org/glsa/202003-10 | 2023-02-01 | |
| https://usn.ubuntu.com/4335-1 | 2023-02-01 | |
| https://www.mozilla.org/security/advisories/mfsa2019-33 | 2023-02-01 | |
| https://www.mozilla.org/security/advisories/mfsa2019-34 | 2023-02-01 | |
| https://www.mozilla.org/security/advisories/mfsa2019-35 | 2023-02-01 | |
| https://access.redhat.com/security/cve/CVE-2019-11757 | 2019-11-06 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1764438 | 2019-11-06 |
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" | < 70.0 Search vendor "Mozilla" for product "Firefox" and version " < 70.0" | - |
Affected
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| Mozilla Search vendor "Mozilla" | Firefox Esr Search vendor "Mozilla" for product "Firefox Esr" | < 68.2 Search vendor "Mozilla" for product "Firefox Esr" and version " < 68.2" | - |
Affected
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| Mozilla Search vendor "Mozilla" | Thunderbird Search vendor "Mozilla" for product "Thunderbird" | < 68.2 Search vendor "Mozilla" for product "Thunderbird" and version " < 68.2" | - |
Affected
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| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04" | esm |
Affected
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