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ExploitedIn CISA KEVFix available

CVE-2019-11708

Exploitation confirmed. First attested on 2022-05-23 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2019-07-23
  • Fixed in67.0.4 · 60.7.2
  • WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxed parent process opening web content chosen by a compromised child process. When combined with additional vulnerabilities this could result in executing arbitrary code on the user's computer. This vulnerability affects Firefox ESR < 60.7.2, Firefox < 67.0.4, and Thunderbird < 60.7.2.

Timeline

dates in UTC
  1. 2019-07-2314:15CVE publishedNVD
  2. 2019-12-07Exploit-DB entryExploit-DB
  3. 2022-05-23Added to the CISA KEV catalogCISA KEV
  4. 2022-05-23Listed as exploited by GCVEGCVE
  5. 2022-05-23Exploitation first reportedCISA KEV
  6. 2025-02-0712:50SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-11708?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-11708?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Mozilla firefox
BranchAffectedFixed in
67.0< 67.0.467.0.4
60.7< 60.7.260.7.2
Mozilla thunderbird
BranchAffectedFixed in
60.7< 60.7.260.7.2

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA3 products

As mozilla, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Mozilla Firefox ESR
    Affected
    • < 60.7.2fixed in 60.7.2custom
  • Mozilla Firefox
    Affected
    • < 67.0.4fixed in 67.0.4custom
  • Mozilla Thunderbird
    Affected
    • < 60.7.2fixed in 60.7.2custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2019-12-09

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • firefoxUbuntu:18.04:LTSall versions · fixed in 67.0.4+build1-0ubuntu0.18.04.1
  • firefoxUbuntu:16.04:LTSall versions · fixed in 67.0.4+build1-0ubuntu0.16.04.1
  • firefoxRed Hat:enterprise_linux:8::appstreamall versions · fixed in 0:60.7.2-3.el8_0and 2 other packages
  • firefoxRed Hat:enterprise_linux:7::workstationall versions · fixed in 0:60.7.2-1.el7_6and 1 other package
  • firefoxRed Hat:enterprise_linux:7::serverall versions · fixed in 0:60.7.2-1.el7_6and 1 other package
  • firefoxRed Hat:enterprise_linux:7::clientall versions · fixed in 0:60.7.2-1.el7_6and 1 other package
  • firefoxRed Hat:enterprise_linux:6::workstationall versions · fixed in 0:60.7.2-1.el6_10and 1 other package
  • firefoxRed Hat:enterprise_linux:6::serverall versions · fixed in 0:60.7.2-1.el6_10and 1 other package

70 more package ranges on OSV.dev

Vendor advisories

  • CVE-2019-11708 Red Hat Product Security229 products fixed

    Mozilla: Sandbox escape using Prompt:Open

  • RHSA-2019:1696 Red Hat Product Security13 products fixed

    Red Hat Security Advisory: firefox security update

  • RHSA-2019:1626 Red Hat Product Security16 products fixed

    Red Hat Security Advisory: thunderbird security update

  • RHSA-2019:1624 Red Hat Product Security19 products fixed

    Red Hat Security Advisory: thunderbird security update

  • RHSA-2019:1623 Red Hat Product Security7 products fixed

    Red Hat Security Advisory: thunderbird security update

  • RHSA-2019:1603 Red Hat Product Security28 products fixed

    Red Hat Security Advisory: firefox security update

1 more advisory

Full record on NVD

Fix

  1. Update Mozilla firefox to 67.0.4 · 60.7.2
  2. CISA’s required action: Apply updates per vendor instructions.due 2022-06-13
  3. Vendor fix Red Hat Product Security RHSA-2019:1696 · 13 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.
  4. Vendor fix Red Hat Product Security RHSA-2019:1626 · 16 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-47752
Exploit-DB
Proof-of-concept repositories
1 repository, unverified0vercl0k/CVE-2019-11708
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2022-05-23
Patch Due Date
2022-06-13
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published
2019-07-23
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-w2hj-6j62-2w9f

Frequently asked questions

What is CVE-2019-11708?

Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxed parent process opening web content chosen by a compromised child process. When combined with additional vulnerabilities this could result in executing arbitrary code on the user's computer. This vulnerability affects Firefox ESR < 60.7.2, Firefox < 67.0.4, and Thunderbird < 60.7.2.

Is CVE-2019-11708 actively exploited?

Yes. CVE-2019-11708 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-06-13.

What is the CVSS score for CVE-2019-11708?

CVE-2019-11708 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

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