CVE-2019-9796

EPSS 2.0%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 2.0%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

26 Apr 2019Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A use-after-free vulnerability can occur when the SMIL animation controller incorrectly registers with the refresh driver twice when only a single registration is expected. When a registration is later freed with the removal of the animation controller element, the refresh driver incorrectly leaves a dangling pointer to the driver's observer array. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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References

https://access.redhat.com/errata/RHSA-2019:0966 https://access.redhat.com/errata/RHSA-2019:1144 https://bugzilla.mozilla.org/show_bug.cgi?id=1531277 https://www.mozilla.org/security/advisories/mfsa2019-07/https://www.mozilla.org/security/advisories/mfsa2019-08/https://www.mozilla.org/security/advisories/mfsa2019-11/