Description
Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mozilla | Firefox | — | 115.32.1 |
| Mozilla | Thunderbird | — | 140.7.2 |
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | firefox-esr | 140.8.0esr-1 | — |
| Debian 14 | libvpx | 1.16.0-3 | — |
| Debian 14 | thunderbird | 1:140.8.0esr-1 | — |
| Debian 13 | firefox-esr | 140.8.0esr-1 | — |
| Debian 13 | libvpx | 1.15.0-2.1+deb13u1 | DSA-6143-1 |
| Debian 13 | thunderbird | 1:140.8.0esr-1 | — |
| Debian 12 | firefox-esr | 140.8.0esr-1 | — |
| Debian 12 | libvpx | 1.12.0-1+deb12u5 | DSA-6143-1 |
| Debian 12 | thunderbird | 1:140.8.0esr-1 | — |
| Debian 11 | libvpx | 1.9.0-1+deb11u5 | DLA-4489-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | libvpx | 1.16.0-2ubuntu1 | — |
| Ubuntu 25.10 | libvpx | 1.15.0-2.1ubuntu0.1 | — |
| Ubuntu 24.04 LTS | libvpx | 1.14.0-1ubuntu2.3 | — |
| Ubuntu 22.04 LTS | libvpx | 1.11.0-2ubuntu2.5 | — |
| Ubuntu 22.04 LTS | thunderbird | No fix yet | — |
| Ubuntu 20.04 LTS | libvpx | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | libvpx | No fix yet | — |
| Ubuntu Pro 16.04 LTS | libvpx | No fix yet | — |
| Ubuntu Pro 14.04 LTS | libvpx | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | firefox +1 | 140.8.0-2.el10_1 | RHSA-2026:3517, RHSA-2026:3361 |
| RHEL 10 | libvpx +1 | 1.14.1-6.el10_1 | RHSA-2026:4629 |
| RHEL 9 | firefox +1 | 140.8.0-2.el9_7 | RHSA-2026:3339 |
| RHEL 9 | libvpx +1 | 1.9.0-10.el9_7 | RHSA-2026:4447 |
| RHEL 9 | thunderbird | 140.8.0-1.el9_7 | RHSA-2026:3516 |
| RHEL 8 | firefox | 140.8.0-2.el8_10 | RHSA-2026:3338 |
| RHEL 8 | libvpx +1 | 1.7.0-13.el8_10 | RHSA-2026:3967 |
| RHEL 8 | thunderbird | 140.8.0-1.el8_10 | RHSA-2026:3515 |
Show 14 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10.0 EUS | firefox +1 | 140.8.0-2.el10_0 | RHSA-2026:4260, RHSA-2026:3976 |
| RHEL 10.0 EUS | libvpx +1 | 1.14.1-3.el10_0.1 | RHSA-2026:5227 |
| RHEL 9.6 EUS | firefox +1 | 140.8.0-2.el9_6 | RHSA-2026:3497 |
| RHEL 9.6 EUS | libvpx +1 | 1.9.0-9.el9_6.1 | RHSA-2026:5231 |
| RHEL 9.6 EUS | thunderbird | 140.8.0-1.el9_6 | RHSA-2026:3982 |
| RHEL 9.4 EUS | firefox +1 | 140.8.0-2.el9_4 | RHSA-2026:3496 |
| RHEL 9.4 EUS | libvpx +1 | 1.9.0-7.el9_4.3 | RHSA-2026:5324 |
| RHEL 9.4 EUS | thunderbird | 140.8.0-1.el9_4 | RHSA-2026:3981 |
| RHEL 9.2 E4S | firefox +1 | 140.8.0-2.el9_2 | RHSA-2026:4152 |
| RHEL 9.2 E4S | libvpx | 1.9.0-7.el9_2.3 | RHSA-2026:5319 |
| RHEL 9.2 E4S | thunderbird | 140.8.0-1.el9_2 | RHSA-2026:3978 |
| RHEL 9.0 E4S | firefox | 140.8.0-2.el9_0 | RHSA-2026:3493 |
| RHEL 9.0 E4S | libvpx | 1.9.0-7.el9_0.3 | RHSA-2026:5326 |
| RHEL 9.0 E4S | thunderbird | 140.8.0-1.el9_0 | RHSA-2026:3983 |
| RHEL 8.8 TUS | firefox | 140.8.0-2.el8_8 | RHSA-2026:3494 |
| RHEL 8.8 TUS | libvpx | 1.7.0-10.el8_8.2 | RHSA-2026:5230 |
| RHEL 8.8 TUS | thunderbird | 140.8.0-1.el8_8 | RHSA-2026:4022 |
| RHEL 8.8 E4S | firefox | 140.8.0-2.el8_8 | RHSA-2026:3494 |
| RHEL 8.8 E4S | libvpx | 1.7.0-10.el8_8.2 | RHSA-2026:5230 |
| RHEL 8.8 E4S | thunderbird | 140.8.0-1.el8_8 | RHSA-2026:4022 |
| RHEL 8.6 TUS | firefox | 140.8.0-2.el8_6 | RHSA-2026:3495 |
| RHEL 8.6 TUS | libvpx | 1.7.0-10.el8_6.2 | RHSA-2026:5229 |
| RHEL 8.6 TUS | thunderbird | 140.8.0-1.el8_6 | RHSA-2026:3979 |
| RHEL 8.6 E4S | firefox | 140.8.0-2.el8_6 | RHSA-2026:3495 |
| RHEL 8.6 E4S | libvpx | 1.7.0-10.el8_6.2 | RHSA-2026:5229 |
| RHEL 8.6 E4S | thunderbird | 140.8.0-1.el8_6 | RHSA-2026:3979 |
| RHEL 8.6 AUS | firefox | 140.8.0-2.el8_6 | RHSA-2026:3495 |
| RHEL 8.6 AUS | libvpx | 1.7.0-10.el8_6.2 | RHSA-2026:5229 |
| RHEL 8.6 AUS | thunderbird | 140.8.0-1.el8_6 | RHSA-2026:3979 |
| RHEL 8.4 EUS Long Life | firefox +1 | 140.8.0-2.el8_4 | RHSA-2026:3980, RHSA-2026:3491 |
| RHEL 8.4 EUS Long Life | libvpx | 1.7.0-10.el8_4.2 | RHSA-2026:5323 |
| RHEL 8.4 AUS | firefox +1 | 140.8.0-2.el8_4 | RHSA-2026:3980, RHSA-2026:3491 |
| RHEL 8.4 AUS | libvpx | 1.7.0-10.el8_4.2 | RHSA-2026:5323 |
| RHEL 8.2 AUS | firefox | 140.8.0-2.el8_2 | RHSA-2026:3492 |
| RHEL 8.2 AUS | libvpx | 1.7.0-8.el8_2.2 | RHSA-2026:5228 |
| RHEL 8.2 AUS | thunderbird | 140.8.0-1.el8_2 | RHSA-2026:4432 |
| RHEL 7 ELS | firefox | 140.8.0-2.el7_9 | RHSA-2026:3984 |
| RHEL 7 ELS | libvpx +2 | 1.3.0-8.el7_9.3 | RHSA-2026:5320 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | firefox | 140.8.0-2.el10_1 | ALSA-2026:3361 |
| AlmaLinux 10 | libvpx +1 | 1.14.1-6.el10_1 | ALSA-2026:4629 |
| AlmaLinux 10 | thunderbird | 140.8.0-2.el10_1.alma.1 | ALSA-2026:3517 |
| AlmaLinux 9 | firefox +1 | 140.8.0-2.el9_7.alma.1 | ALSA-2026:3339 |
| AlmaLinux 9 | libvpx +1 | 1.9.0-10.el9_7 | ALSA-2026:4447 |
| AlmaLinux 9 | thunderbird | 140.8.0-1.el9_7.alma.1 | ALSA-2026:3516 |
| AlmaLinux 8 | firefox | 140.8.0-2.el8_10.alma.1 | ALSA-2026:3338 |
| AlmaLinux 8 | libvpx +1 | 1.7.0-13.el8_10 | ALSA-2026:3967 |
| AlmaLinux 8 | thunderbird | 140.8.0-1.el8_10.alma.1 | ALSA-2026:3515 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | firefox +1 | 140.8.0-2.el10_1 | RLSA-2026:3517, RLSA-2026:3361 |
| Rocky Linux 10 | libvpx | 1.14.1-6.el10_1 | RLSA-2026:4629 |
| Rocky Linux 9 | firefox | 140.8.0-2.el9_7 | RLSA-2026:3339 |
| Rocky Linux 9 | libvpx | 1.9.0-10.el9_7 | RLSA-2026:4447 |
| Rocky Linux 9 | thunderbird | 140.8.0-1.el9_7 | RLSA-2026:3516 |
| Rocky Linux 8 | firefox | 140.8.0-2.el8_10 | RLSA-2026:3338 |
| Rocky Linux 8 | libvpx | 1.7.0-13.el8_10 | RLSA-2026:3967 |
| Rocky Linux 8 | thunderbird | 140.8.0-1.el8_10 | RLSA-2026:3515 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | MozillaFirefox | 140.7.1-150200.152.219.1 | SUSE-SU-2026:0611-1 |
| SLES 15 SP7 | MozillaThunderbird | 140.7.2-150200.8.257.1 | SUSE-SU-2026:0692-1 |
| SLES 15 SP6 | MozillaFirefox | 140.7.1-150200.152.219.1 | SUSE-SU-2026:0611-1 |
| SLES 15 SP5 | MozillaFirefox | 140.7.1-150200.152.219.1 | SUSE-SU-2026:0611-1 |
| SLES 15 SP4 | MozillaFirefox | 140.7.1-150200.152.219.1 | SUSE-SU-2026:0611-1 |
| SLES 12 SP5 | MozillaFirefox | 140.7.1-112.298.1 | SUSE-SU-2026:0602-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | MozillaFirefox | 140.7.1-160000.1.1 | SUSE-SU-2026:20582-1 |
| SLES for SAP 15 SP6 | MozillaFirefox | 140.7.1-150200.152.219.1 | SUSE-SU-2026:0611-1 |
| SLES for SAP 15 SP5 | MozillaFirefox | 140.7.1-150200.152.219.1 | SUSE-SU-2026:0611-1 |
| SLES for SAP 15 SP4 | MozillaFirefox | 140.7.1-150200.152.219.1 | SUSE-SU-2026:0611-1 |
| SLES 16.0 | MozillaFirefox | 140.7.1-160000.1.1 | SUSE-SU-2026:20582-1 |
| SLE HPC 15 SP5 | MozillaFirefox | 140.7.1-150200.152.219.1 | SUSE-SU-2026:0611-1 |
| SLE HPC 15 SP4 | MozillaFirefox | 140.7.1-150200.152.219.1 | SUSE-SU-2026:0611-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 147.0.4-1.1 | openSUSE-SU-2026:10225-1 |
| openSUSE Tumbleweed | MozillaThunderbird | 140.7.2-1.1 | openSUSE-SU-2026:10218-1 |
| openSUSE Tumbleweed | firefox-esr | 140.7.1-1.1 | openSUSE-SU-2026:10212-1 |
| openSUSE Tumbleweed | libvpx | 1.17.0-1.1 | openSUSE-SU-2026:12106-1 |
| openSUSE Leap 16.0 | MozillaFirefox | 140.7.1-160000.1.1 | openSUSE-SU-2026:20253-1 |
| openSUSE Leap 16.0 | MozillaThunderbird | 140.8.1-bp160.1.1 | openSUSE-SU-2026:20391-1 |
| openSUSE Leap 15.6 | MozillaFirefox | 140.7.1-150200.152.219.1 | SUSE-SU-2026:0611-1 |
| openSUSE Leap 15.6 | MozillaThunderbird | 140.7.2-150200.8.257.1 | SUSE-SU-2026:0692-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | firefox | 140.7.1-1.amzn2023.0.1 | ALAS2023-2026-1469 |
| Amazon Linux 2 | thunderbird | 140.7.2-1.amzn2.0.1 | ALAS2-2026-3190 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | firefox +1 | 140.8.0-2.0.1.el10_1 | ELSA-2026-3517, ELSA-2026-3361 |
| Oracle Linux 10 | libvpx +1 | 1.14.1-6.el10_1 | ELSA-2026-4629 |
| Oracle Linux 9 | firefox +1 | 140.8.0-2.0.1.el9_7 | ELSA-2026-3339 |
| Oracle Linux 9 | libvpx +1 | 1.9.0-10.el9_7 | ELSA-2026-4447 |
| Oracle Linux 9 | thunderbird | 140.8.0-1.0.1.el9_7 | ELSA-2026-3516 |
| Oracle Linux 8 | firefox | 140.8.0-2.0.1.el8_10 | ELSA-2026-3338 |
| Oracle Linux 8 | libvpx +1 | 1.7.0-13.el8_10 | ELSA-2026-3967 |
| Oracle Linux 8 | thunderbird | 140.8.0-1.0.1.el8_10 | ELSA-2026-3515 |
| Oracle Linux 7 | firefox | 140.8.0-2.0.1.el7_9 | ELSA-2026-3984 |
| Oracle Linux 7 | libvpx +2 | 1.3.0-8.0.3.el7 | ELSA-2026-5320 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | firefox | 148.0-r0 | — |
Advisories 50
- WID-SEC-2026-0427 Mozilla Firefox, Firefox ESR und Thunderbird: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 8, 2026
- ALSA-2026:4629 Important: libvpx security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:3361 Important: firefox security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:3517 Important: thunderbird security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:3516 Important: thunderbird security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:4447 Important: libvpx security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:3339 Important: firefox security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:3515 Important: thunderbird security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:3967 Important: libvpx security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:3338 Important: firefox security update AlmaLinux Security Advisories · Oct 29, 2026
- openSUSE-SU-2026:12106-1 libvpx-devel-1.17.0-1.1 on GA media SUSE / openSUSE Security Updates · Oct 12, 2026
- RHSA-2026:5324 Red Hat Security Advisory: libvpx security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:5326 Red Hat Security Advisory: libvpx security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:5323 Red Hat Security Advisory: libvpx security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:5320 Red Hat Security Advisory: libvpx security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:5319 Red Hat Security Advisory: libvpx security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:5231 Red Hat Security Advisory: libvpx security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:5229 Red Hat Security Advisory: libvpx security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:5230 Red Hat Security Advisory: libvpx security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:5227 Red Hat Security Advisory: libvpx security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:5228 Red Hat Security Advisory: libvpx security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:4629 Red Hat Security Advisory: libvpx security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:4447 Red Hat Security Advisory: libvpx security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:4432 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:4260 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:4152 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:4022 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3984 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3982 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3983 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3981 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3980 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3978 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3979 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3976 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3967 Red Hat Security Advisory: libvpx security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3517 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3515 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3516 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3497 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3495 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3496 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3493 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3494 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3491 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3492 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3361 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3339 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- RHSA-2026:3338 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Oct 2, 2026
- WID-SEC-2026-1730 Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Jul 16, 2026