Mozilla: Use-after-free with HTTP/2 cached stream
Published Jul 23, 2019
9.8
CRITICALCVSS 3.0
EPSS 2.15%
Description
A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<68
- Version
-
- Version unspecifiedStatusaffectedConstraints<60.8
- Version
-
- Version unspecifiedStatusaffectedConstraints<60.8
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox | n/a |
| ||||||
| Mozilla | Firefox ESR | n/a |
| ||||||
| Mozilla | Thunderbird | n/a |
|
No data.
Red Hat Enterprise Linux 6
firefox-0:60.8.0-1.el6_10
Fixed · RHSA-2019:1765
Red Hat Enterprise Linux 6
thunderbird-0:60.8.0-1.el6_10
Fixed · RHSA-2019:1777
Red Hat Enterprise Linux 7
firefox-0:60.8.0-1.el7_6
Fixed · RHSA-2019:1763
Red Hat Enterprise Linux 7
thunderbird-0:60.8.0-1.el7_6
Fixed · RHSA-2019:1775
Red Hat Enterprise Linux 8
firefox-0:60.8.0-1.el8_0
Fixed · RHSA-2019:1764
Red Hat Enterprise Linux 8
thunderbird-0:60.8.0-1.el8_0
Fixed · RHSA-2019:1799
Red Hat Enterprise Linux 5
firefox
Out of support scope
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | firefox-0:60.8.0-1.el6_10 | Fixed | RHSA-2019:1765 |
| Red Hat Enterprise Linux 6 | thunderbird-0:60.8.0-1.el6_10 | Fixed | RHSA-2019:1777 |
| Red Hat Enterprise Linux 7 | firefox-0:60.8.0-1.el7_6 | Fixed | RHSA-2019:1763 |
| Red Hat Enterprise Linux 7 | thunderbird-0:60.8.0-1.el7_6 | Fixed | RHSA-2019:1775 |
| Red Hat Enterprise Linux 8 | firefox-0:60.8.0-1.el8_0 | Fixed | RHSA-2019:1764 |
| Red Hat Enterprise Linux 8 | thunderbird-0:60.8.0-1.el8_0 | Fixed | RHSA-2019:1799 |
| Red Hat Enterprise Linux 5 | firefox | Out of support scope | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.15% (0.02149) | 81.48th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.15% (0.02149) | 79.67th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.29% (0.02291) | 83.25th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.63% (0.06628) | 84.91th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.29% (0.02291) | 83.56th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.51% (0.01514) | 87.52th | v3 (v2023.03.01) |
| Jul 16, 2024 | 1.51% (0.01514) | 87.14th | v3 (v2023.03.01) |
| Nov 16, 2023 | 1.40% (0.01400) | 84.95th | v3 (v2023.03.01) |
| Sep 3, 2023 | 1.42% (0.01418) | 84.86th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.12% (0.01119) | 82.36th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 24.56% (0.24563) | 95.26th | v2 (v2022.01.01) |
| Feb 3, 2022 | 11.74% (0.11741) | 88.45th | v1 |
| Jan 6, 2022 | 11.74% (0.11741) | 88.31th | v1 |
| Jan 5, 2022 | 2.88% (0.02880) | 81.26th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.88% (0.02880) | 0.00th | v1 |
References (18)
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html vendor-advisoryx_refsource_SUSE
- https://access.redhat.com/security/cve/CVE-2019-11713 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1528481 x_refsource_MISCIssue TrackingPermissions RequiredVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1728433 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2019/08/msg00001.html mailing-listx_refsource_MLIST
- https://lists.debian.org/debian-lts-announce/2019/08/msg00002.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2019-11713
- https://security.gentoo.org/glsa/201908-12 vendor-advisoryx_refsource_GENTOO
- https://security.gentoo.org/glsa/201908-20 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2019-11713
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-22/#CVE-2019-11713
- https://www.mozilla.org/security/advisories/mfsa2019-21/ x_refsource_MISCVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-22/ x_refsource_MISCVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-23/ x_refsource_MISCVendor Advisory
Change history (0)
No recorded changes yet.