Description
An out of bounds memory write while processing Vorbis audio data was reported through the Pwn2Own contest. This vulnerability affects Firefox < 59.0.1, Firefox ESR < 52.7.2, and Thunderbird < 52.7.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mozilla | Firefox | unspecified – < 59.0.1 | 59.0.1 |
| Mozilla | Firefox ESR | unspecified – < 52.7.2 | 52.7.2 |
| Mozilla | Thunderbird | unspecified – < 52.7 | 52.7 |
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 | 52.7.2esr-1 | — |
| Debian 14 | libvorbis | 1.3.5-4.2 | — |
| Debian 14 | thunderbird | 1:52.7.0-1 | — |
| Debian 13 | firefox-esr | 52.7.2esr-1 | — |
| Debian 13 | libvorbis | 1.3.5-4.2 | — |
| Debian 13 | thunderbird | 1:52.7.0-1 | — |
| Debian 12 | firefox-esr | 52.7.2esr-1 | — |
| Debian 12 | libvorbis | 1.3.5-4.2 | — |
| Debian 12 | thunderbird | 1:52.7.0-1 | — |
| Debian 9 | firefox-esr | 52.7.2esr-1~deb9u1 | DSA-4143-1 |
| Debian 9 | libvorbis | 1.3.5-4+deb9u2 | DSA-4140-1 |
| Debian 9 | thunderbird | 1:52.7.0-1~deb9u1 | DSA-4155-1 |
| Debian 8 | firefox-esr | 52.7.2esr-1~deb8u1 | DSA-4143-1 |
| Debian 8 | libvorbis | 1.3.4-2+deb8u1 | DSA-4140-1 |
| Debian 8 | thunderbird | 1:52.7.0-1~deb8u1 | DSA-4155-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | firefox-esr | 52.7.2esr-1~deb7u1 | DLA-1319-1 |
| Debian 7 | libvorbis | 1.3.2-1.3+deb7u1 | DLA-1368-1 |
| Debian 7 | thunderbird | 1:52.7.0-1~deb7u1 | DLA-1327-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | thunderbird | 1:52.7.0+build1-0ubuntu1 | — |
| Ubuntu 16.04 LTS | firefox | 59.0.1+build1-0ubuntu0.16.04.1 | USN-3599-1 |
| Ubuntu 16.04 LTS | libvorbis | 1.3.5-3ubuntu0.2 | USN-3604-1 |
| Ubuntu 16.04 LTS | thunderbird | 1:52.7.0+build1-0ubuntu0.16.04.1 | USN-3545-1 |
| Ubuntu 14.04 LTS | firefox | 59.0.1+build1-0ubuntu0.14.04.1 | USN-3599-1 |
| Ubuntu 14.04 LTS | libvorbis | 1.3.2-1.3ubuntu1.2 | USN-3604-1 |
| Ubuntu 14.04 LTS | thunderbird | 1:52.7.0+build1-0ubuntu0.14.04.1 | USN-3545-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | firefox | 52.7.2-1.el7_4 | RHSA-2018:0549 |
| RHEL 7 | libvorbis +2 | 1:1.3.3-8.el7.1 | RHSA-2018:1058 |
| RHEL 7 | thunderbird | 52.7.0-1.el7_4 | RHSA-2018:0648 |
| RHEL 6 | firefox | 52.7.2-1.el6_9 | RHSA-2018:0549 |
| RHEL 6 | libvorbis +2 | 1:1.2.3-5.el6_9.1 | RHSA-2018:0649 |
| RHEL 6 | thunderbird | 52.7.0-1.el6_9 | RHSA-2018:0647 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | MozillaFirefox | 52.7.3esr-109.25.1 | SUSE-SU-2018:0850-1 |
| SLES 12 SP3 | libvorbis | 1.3.3-10.6.1 | SUSE-SU-2018:0784-1 |
| SLES 12 SP2 | MozillaFirefox | 52.7.3esr-109.25.1 | SUSE-SU-2018:0850-1 |
| SLES 12 SP2 | libvorbis | 1.3.3-10.6.1 | SUSE-SU-2018:0784-1 |
| SLES 11 SP4 | MozillaFirefox | 52.7.3esr-72.27.2 | SUSE-SU-2018:0907-1 |
| SLES 11 SP4 | libvorbis | 1.2.0-79.20.6.1 | SUSE-SU-2018:0783-1 |
| SLES 11 SP3 | MozillaFirefox | 52.7.3esr-72.27.2 | SUSE-SU-2018:0907-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | MozillaFirefox | 52.7.3esr-109.25.1 | SUSE-SU-2018:0850-1 |
| SLES for SAP 12 SP3 | libvorbis | 1.3.3-10.6.1 | SUSE-SU-2018:0784-1 |
| SLES for SAP 12 SP2 | MozillaFirefox | 52.7.3esr-109.25.1 | SUSE-SU-2018:0850-1 |
| SLES for SAP 12 SP2 | libvorbis | 1.3.3-10.6.1 | SUSE-SU-2018:0784-1 |
| SLES for SAP 11 SP4 | MozillaFirefox | 52.7.3esr-72.27.2 | SUSE-SU-2018:0907-1 |
| SLES for SAP 11 SP4 | libvorbis | 1.2.0-79.20.6.1 | SUSE-SU-2018:0783-1 |
| SUSE Package Hub 12 | MozillaThunderbird | 52.7-57.1 | openSUSE-SU-2018:0819-1, openSUSE-SU-2018:0818-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | MozillaFirefox | 52.7.3esr-72.27.2 | SUSE-SU-2018:0907-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 92.0-1.2 | openSUSE-SU-2024:10600-1 |
| openSUSE Tumbleweed | MozillaThunderbird | 91.1.1-1.1 | openSUSE-SU-2024:10601-1 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
| openSUSE Tumbleweed | libvorbis | 1.3.7-1.6 | openSUSE-SU-2024:11009-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.23 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.22 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.21 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.20 | libvorbis | 1.3.6-r0 | — |
Show 15 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.18 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.17 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.16 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.15 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.14 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.13 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.12 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.11 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.10 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.9 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.8 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.7 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.6 | libvorbis | 1.3.6-r0 | — |
| Alpine v3.5 | libvorbis | 1.3.6-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | libvorbis +2 | 1:1.3.3-8.amzn2.0.1 | ALAS2-2018-981 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | firefox | 52.7.2-1.0.1.el7_4 | ELSA-2018-0549 |
| Oracle Linux 7 | libvorbis +2 | 1:1.3.3-8.el7.1 | ELSA-2018-1058 |
| Oracle Linux 7 | thunderbird | 52.7.0-1.0.1.el7_4 | ELSA-2018-0648 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
f01965/CVE-2018-5146 ★ 0 · Apr 10, 2022
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 28
- RHSA-2018:1058 Red Hat Security Advisory: libvorbis security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2018:0648 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2018:0649 Red Hat Security Advisory: libvorbis security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2018:0647 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2018:0549 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-3604-1 libvorbis vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-3599-1 firefox vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-3545-1 thunderbird vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4155-1 thunderbird - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-4143-1 firefox-esr - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-4140-1 libvorbis - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1327-1 thunderbird - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1368-1 libvorbis - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1319-1 firefox-esr - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2018:0819-1 Security update for Mozilla Thunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0783-1 Security update for libvorbis SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11009-1 libvorbis-devel-1.3.7-1.6 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10600-1 MozillaFirefox-92.0-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0907-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2018:0818-1 Security update for Mozilla Thunderbird SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0784-1 Security update for libvorbis SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0850-1 Security update for MozillaFirefox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14572-1 firefox-esr-128.5.1-1.1 on GA media 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
- ELSA-2018-1058 Important: libvorbis security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 17, 2018
- ELSA-2018-0648 Important: thunderbird security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 5, 2018
- ALAS2-2018-981 Critical: libvorbis security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Mar 26, 2018
- ELSA-2018-0549 Critical: firefox security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Mar 19, 2018
References
- RHSA-2018:0549 vendor-advisory
- USN-3604-1 vendor-advisory
- DSA-4143 vendor-advisory
- GLSA-201811-13 vendor-advisory
- [debian-lts-announce] 20180326 [SECURITY] [DLA 1319-1] firefox-esr security update mailing-list
- USN-3545-1 vendor-advisory
- USN-3599-1 vendor-advisory
- https://www.mozilla.org/security/advisories/mfsa2018-09/
- [debian-lts-announce] 20180329 [SECURITY] [DLA 1327-1] thunderbird security update mailing-list
- DSA-4155 vendor-advisory
- https://www.mozilla.org/security/advisories/mfsa2018-08/
- RHSA-2018:0648 vendor-advisory
- RHSA-2018:0647 vendor-advisory
- RHSA-2018:1058 vendor-advisory
- 1040544 vdb-entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1446062
- 103432 vdb-entry
- DSA-4140 vendor-advisory
- [debian-lts-announce] 20180430 [SECURITY] [DLA 1368-1] libvorbis security update mailing-list
- RHSA-2018:0649 vendor-advisory