Use After Free Affecting firefox-esr package, versions <52.2.0esr-1
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.67% (80th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN10-FIREFOXESR-354420
- published 11 Jun 2018
- disclosed 11 Jun 2018
Introduced: 11 Jun 2018
CVE-2017-7749 Open this link in a new tabHow to fix?
Upgrade Debian:10
firefox-esr
to version 52.2.0esr-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox-esr
package and not the firefox-esr
package as distributed by Debian
.
See How to fix?
for Debian:10
relevant fixed versions and status.
A use-after-free vulnerability when using an incorrect URL during the reloading of a docshell. This results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.
References
- https://security-tracker.debian.org/tracker/CVE-2017-7749
- https://www.debian.org/security/2017/dsa-3881
- https://www.debian.org/security/2017/dsa-3918
- https://www.mozilla.org/security/advisories/mfsa2017-15/
- https://www.mozilla.org/security/advisories/mfsa2017-16/
- https://www.mozilla.org/security/advisories/mfsa2017-17/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1355039
- https://access.redhat.com/errata/RHSA-2017:1440
- https://access.redhat.com/errata/RHSA-2017:1561
- http://www.securityfocus.com/bid/99057
- http://www.securitytracker.com/id/1038689
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-7749