Description
Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed. This bug showed evidence of memory corruption in the accessibility engine and we presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.2, and Firefox ESR < 68.2.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mozilla | Firefox | before 69 | — |
| Mozilla | Thunderbird | before 68.2 | — |
| Mozilla | Firefox ESR | before 68.2 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | firefox | 68.2.0-2.el8_0 | RHSA-2019:3196 |
| RHEL 8 | thunderbird | 68.2.0-1.el8_0 | RHSA-2019:3237 |
| RHEL 7 | firefox +1 | 68.2.0-1.el7_7 | RHSA-2019:3210, RHSA-2019:3193 |
| RHEL 6 | firefox | 68.2.0-4.el6_10 | RHSA-2019:3281 |
| RHEL 6 | thunderbird | 68.2.0-2.el6_10 | RHSA-2019:3756 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | MozillaFirefox | 68.2.0-3.59.1 | SUSE-SU-2019:2871-1 |
| SLES 15 SP1 | MozillaFirefox-branding-SLE | 68-4.11.2 | SUSE-SU-2019:2871-1 |
| SLES 15 SP1 | MozillaThunderbird | 68.2.1-3.58.1 | SUSE-SU-2019:2912-1 |
| SLES 15 | MozillaFirefox | 68.2.0-3.59.1 | SUSE-SU-2019:2871-1 |
| SLES 15 | MozillaFirefox-branding-SLE | 68-4.11.2 | SUSE-SU-2019:2871-1 |
| SLES 15 | MozillaThunderbird | 68.2.1-3.58.1 | SUSE-SU-2019:2912-1 |
| SLES 12 SP5 | MozillaFirefox | 68.2.0-109.95.2 | SUSE-SU-2019:2872-1 |
| SLES 12 SP4 | MozillaFirefox | 68.2.0-109.95.2 | SUSE-SU-2019:2872-1 |
| SLES 12 SP3 | MozillaFirefox | 68.2.0-109.95.2 | SUSE-SU-2019:2872-1 |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | MozillaFirefox | 68.2.0-109.95.2 | SUSE-SU-2019:2872-1 |
| SLES 12 SP1 | MozillaFirefox | 68.2.0-109.95.2 | SUSE-SU-2019:2872-1 |
| SLES 11 SP4 | MozillaFirefox | 68.2.0-78.51.4 | SUSE-SU-2019:14246-1 |
| SLES 11 SP4 | MozillaFirefox-branding-SLED | 68-21.9.8 | SUSE-SU-2019:14246-1 |
| SLES 11 SP4 | firefox-atk | 2.26.1-2.8.4 | SUSE-SU-2019:14246-1 |
| SLES 11 SP4 | firefox-cairo | 1.15.10-2.13.4 | SUSE-SU-2019:14246-1 |
| SLES 11 SP4 | firefox-gdk-pixbuf | 2.36.11-2.8.4 | SUSE-SU-2019:14246-1 |
| SLES 11 SP4 | firefox-glib2 | 2.54.3-2.14.7 | SUSE-SU-2019:14246-1 |
| SLES 11 SP4 | firefox-gtk3 | 3.10.9-2.15.3 | SUSE-SU-2019:14246-1 |
| SLES 11 SP4 | firefox-harfbuzz | 1.7.5-2.7.4 | SUSE-SU-2019:14246-1 |
| SLES 11 SP4 | firefox-libffi | 3.2.1.git259-2.3.3 | SUSE-SU-2019:14246-1 |
| SLES 11 SP4 | firefox-libffi-gcc5 | 5.3.1+r233831-14.1 | SUSE-SU-2019:14246-1 |
| SLES 11 SP4 | firefox-pango | 1.40.14-2.7.4 | SUSE-SU-2019:14246-1 |
| SLES 11 SP4 | mozilla-nspr | 4.21-29.6.1 | SUSE-SU-2019:14246-1 |
| SLES 11 SP4 | mozilla-nss | 3.45-38.9.3 | SUSE-SU-2019:14246-1 |
| SLES for SAP 12 SP5 | MozillaFirefox | 68.2.0-109.95.2 | SUSE-SU-2019:2872-1 |
| SLES for SAP 12 SP4 | MozillaFirefox | 68.2.0-109.95.2 | SUSE-SU-2019:2872-1 |
| SLES for SAP 12 SP3 | MozillaFirefox | 68.2.0-109.95.2 | SUSE-SU-2019:2872-1 |
| SLES for SAP 12 SP2 | MozillaFirefox | 68.2.0-109.95.2 | SUSE-SU-2019:2872-1 |
| SLES for SAP 12 SP1 | MozillaFirefox | 68.2.0-109.95.2 | SUSE-SU-2019:2872-1 |
| SUSE OpenStack Cloud Crowbar 8 | MozillaFirefox | 68.2.0-109.95.2 | SUSE-SU-2019:2872-1 |
| SUSE OpenStack Cloud 8 | MozillaFirefox | 68.2.0-109.95.2 | SUSE-SU-2019:2872-1 |
| SUSE OpenStack Cloud 7 | MozillaFirefox | 68.2.0-109.95.2 | SUSE-SU-2019:2872-1 |
| SUSE HPE Helion OpenStack 8 | MozillaFirefox | 68.2.0-109.95.2 | SUSE-SU-2019:2872-1 |
| SUSE Enterprise Storage 5 | MozillaFirefox | 68.2.0-109.95.2 | SUSE-SU-2019:2872-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaThunderbird | 91.1.1-1.1 | openSUSE-SU-2024:10601-1 |
| openSUSE Leap 15.1 | MozillaFirefox | 68.2.0-lp151.2.18.2 | openSUSE-SU-2019:2451-1 |
| openSUSE Leap 15.1 | MozillaThunderbird | 68.2.1-lp151.2.16.1 | openSUSE-SU-2019:2452-1 |
| openSUSE Leap 15.1 | firefox-esr-branding-openSUSE +1 | 68-lp151.3.3.1 | openSUSE-SU-2019:2451-1 |
| openSUSE Leap 15.0 | MozillaFirefox | 68.2.0-lp150.3.71.1 | openSUSE-SU-2019:2459-1 |
| openSUSE Leap 15.0 | MozillaThunderbird | 68.2.1-lp150.3.54.1 | openSUSE-SU-2019:2464-1 |
| openSUSE Leap 15.0 | firefox-esr-branding-openSUSE +1 | 68-lp150.3.3.1 | openSUSE-SU-2019:2459-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.23 | firefox-esr | 68.2.0-r0 | — |
| Alpine v3.22 | firefox-esr | 68.2.0-r0 | — |
| Alpine v3.21 | firefox-esr | 68.2.0-r0 | — |
| Alpine v3.20 | firefox-esr | 68.2.0-r0 | — |
| Alpine v3.19 | firefox-esr | 68.2.0-r0 | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.18 | firefox-esr | 68.2.0-r0 | — |
| Alpine v3.17 | firefox-esr | 68.2.0-r0 | — |
| Alpine v3.16 | firefox-esr | 68.2.0-r0 | — |
| Alpine v3.15 | firefox-esr | 68.2.0-r0 | — |
| Alpine v3.14 | firefox-esr | 68.2.0-r0 | — |
| Alpine v3.13 | firefox-esr | 68.2.0-r0 | — |
| Alpine v3.12 | firefox-esr | 68.2.0-r0 | — |
| Alpine v3.11 | firefox-esr | 68.2.0-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | thunderbird | 68.2.0-1.amzn2.0.1 | ALAS2-2019-1376 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | firefox | 68.2.0-2.0.1.el8_0 | ELSA-2019-3196 |
| Oracle Linux 8 | thunderbird | 68.2.0-1.0.1.el8_0 | ELSA-2019-3237 |
| Oracle Linux 7 | firefox +1 | 68.2.0-1.0.1.el7_7 | ELSA-2019-3210, ELSA-2019-3193 |
Advisories 20
- RHSA-2019:3756 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2019:3210 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2019:3237 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2019:3196 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2019:3193 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2019:3281 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- SUSE-SU-2019:2912-1 Recommended update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2464-1 Recommended update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2451-1 Security update for MozillaFirefox, MozillaFirefox-branding-SLE SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2452-1 Recommended update for MozillaThunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2872-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2459-1 Security update for MozillaFirefox, MozillaFirefox-branding-SLE SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:14246-1 Security update for Mozilla Firefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10601-1 MozillaThunderbird-91.1.1-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- SUSE-SU-2019:2871-1 Security update for MozillaFirefox, MozillaFirefox-branding-SLE SUSE / openSUSE Security Updates · May 2, 2025
- ALAS2-2019-1376 Important: thunderbird security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Dec 18, 2019
- ELSA-2019-3237 Important: thunderbird security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Oct 30, 2019
- ELSA-2019-3210 Important: thunderbird security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 29, 2019
- ELSA-2019-3196 Critical: firefox security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Oct 24, 2019
- ELSA-2019-3193 Critical: firefox security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 23, 2019