CVE-2019-11752: Use After Free

Reference Links

• https://bugzilla.mozilla.org/show_bug.cgi?id=1501152
• https://www.mozilla.org/en-US/security/advisories/mfsa2019-30/
• https://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
• https://security.gentoo.org/glsa/201911-07
• https://usn.ubuntu.com/4150-1/
• https://www.mozilla.org/security/advisories/mfsa2019-25/
• https://www.mozilla.org/security/advisories/mfsa2019-26/
• https://www.mozilla.org/security/advisories/mfsa2019-27/
• https://www.mozilla.org/security/advisories/mfsa2019-29/
• https://www.mozilla.org/security/advisories/mfsa2019-30/
• https://launchpad.net/bugs/cve/CVE-2019-11752
• https://www.mozilla.org/en-US/security/advisories/mfsa2019-29/
• https://www.mozilla.org/en-US/security/advisories/mfsa2019-25/
• https://www.mozilla.org/en-US/security/advisories/mfsa2019-26/#CVE-2019-11750
• https://www.mozilla.org/en-US/security/advisories/mfsa2019-27/
• https://www.mozilla.org/en-US/security/advisories/mfsa2019-25/#CVE-2019-11752
• https://www.mozilla.org/en-US/security/advisories/mfsa2019-26/#CVE-2019-11752
• https://www.mozilla.org/en-US/security/advisories/mfsa2019-27/#CVE-2019-11752
• https://www.mozilla.org/en-US/security/advisories/mfsa2019-29/#CVE-2019-11742
• https://security-tracker.debian.org/tracker/CVE-2019-11752
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11752
• https://nvd.nist.gov/vuln/detail/CVE-2019-11752
• https://ubuntu.com/security/CVE-2019-11752

Parent vulnerabilities

(Appears in the following advisories)

• MFSA2019-30
• MFSA2019-26
• MFSA2019-29
• MFSA2019-25
• MFSA2019-27

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2019-11739
• CVE-2019-11746
• CVE-2019-11744
• CVE-2019-11742
• CVE-2019-11752
• CVE-2019-11743
• CVE-2019-11740
• CVE-2019-11751
• CVE-2019-11736
• CVE-2019-11753
• CVE-2019-9812
• CVE-2019-11748
• CVE-2019-11749
• CVE-2019-11750
• CVE-2019-11738
• CVE-2019-11747
• CVE-2019-11735
• CVE-2019-11741
• CVE-2019-5849
• CVE-2019-11737
• CVE-2019-11734
• CVE-2019-11758

Frequently Asked Questions

• What is CVE-2019-11752?

  CVE-2019-11752 is a vulnerability that allows an attacker to delete an IndexedDB key value and subsequently try to extract it during conversion, resulting in a use-after-free and a potentially exploitable crash.

• Which software versions are affected by CVE-2019-11752?

  Mozilla Firefox ESR versions up to 68.1, Mozilla Firefox versions up to 69, Mozilla Thunderbird versions up to 60.9.

• What is the severity of CVE-2019-11752?

  CVE-2019-11752 has a severity rating of 7 (high).

• How can I fix CVE-2019-11752?

  Update to Mozilla Firefox ESR version 68.1, Mozilla Firefox version 69, or Mozilla Thunderbird version 60.9.

• Where can I find more information about CVE-2019-11752?

  You can find more information about CVE-2019-11752 on the Mozilla Bugzilla page (https://bugzilla.mozilla.org/show_bug.cgi?id=1501152) and the Mozilla security advisories (https://www.mozilla.org/en-US/security/advisories/mfsa2019-26/ and https://www.mozilla.org/en-US/security/advisories/mfsa2019-29/).