A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
| Version | Base score | Base severity | Vector |
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| Hyperlink | Resource Type |
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A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
| Type | CWE ID | Description |
|---|---|---|
| text | N/A | Use-after-free with Fetch API |
| Version | Base score | Base severity | Vector |
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| CAPEC ID | Description |
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| Event | Date |
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| Hyperlink | Resource |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1371889 | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html | mailing-list x_refsource_MLIST |
| https://www.mozilla.org/security/advisories/mfsa2017-22/ | x_refsource_CONFIRM |
| http://www.securitytracker.com/id/1039465 | vdb-entry x_refsource_SECTRACK |
| https://access.redhat.com/errata/RHSA-2017:2831 | vendor-advisory x_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2017:2885 | vendor-advisory x_refsource_REDHAT |
| https://www.mozilla.org/security/advisories/mfsa2017-21/ | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/101055 | vdb-entry x_refsource_BID |
| https://www.debian.org/security/2017/dsa-4014 | vendor-advisory x_refsource_DEBIAN |
| https://www.mozilla.org/security/advisories/mfsa2017-23/ | x_refsource_CONFIRM |
| https://www.debian.org/security/2017/dsa-3987 | vendor-advisory x_refsource_DEBIAN |
| https://security.gentoo.org/glsa/201803-14 | vendor-advisory x_refsource_GENTOO |
| Version | Base score | Base severity | Vector |
|---|
| CAPEC ID | Description |
|---|
| Event | Date |
|---|
A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
| Date Added | Due Date | Vulnerability Name | Required Action |
|---|---|---|---|
| N/A |
| Type | Version | Base score | Base severity | Vector |
|---|---|---|---|---|
| Primary | 3.0 | 9.8 | CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Primary | 2.0 | 7.5 | HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |