critical
CVE-2017-5440
Mozilla: Use-after-free in txExecutionState destructor during XSLT processing (MFSA 2017-11, MFSA 2017-12)
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.
Severity by source
NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (high), Oracle (high), Ubuntu (medium).
Description
A use-after-free vulnerability during XSLT processing due to a failure to propagate error conditions during matching while evaluating context, leading to objects being used when they no longer exist. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| debian 11 | firefox-esr | 45.9.0esr-1 |
| debian 12 | firefox-esr | 45.9.0esr-1 |
| debian 13 | firefox-esr | 45.9.0esr-1 |
| debian 14 | firefox-esr | 45.9.0esr-1 |
| debian 7 | firefox-esr | 45.9.0esr-1~deb7u1 |
| debian 8 | firefox-esr | 45.9.0esr-1~deb8u1 |
| echo | firefox-esr | 45.9.0esr-1 |
| Oracle Linux 6 | firefox, thunderbird | 52.1.0-2.0.1.el6_9 and 1 more |
| Oracle Linux 7 | firefox, thunderbird | 52.1.0-2.0.1.el7_3 and 1 more |
| ubuntu 14.04 | firefox, thunderbird | 53.0+build6-0ubuntu0.14.04.1 and 1 more |
| ubuntu 16.04 | firefox, thunderbird | 53.0+build6-0ubuntu0.16.04.1 and 1 more |
| ubuntu 16.10 | firefox, thunderbird | 53.0+build6-0ubuntu0.16.10.1 and 1 more |
Show all 19 entries from 13 sources
| Source | Package | Fixed in |
|---|---|---|
| debian 11 | firefox-esr | 45.9.0esr-1 |
| debian 12 | firefox-esr | 45.9.0esr-1 |
| debian 13 | firefox-esr | 45.9.0esr-1 |
| debian 14 | firefox-esr | 45.9.0esr-1 |
| debian 7 | firefox-esr | 45.9.0esr-1~deb7u1 |
| debian 8 | firefox-esr | 45.9.0esr-1~deb8u1 |
| echo | firefox-esr | 45.9.0esr-1 |
| Oracle Linux 6 | firefox | 52.1.0-2.0.1.el6_9 |
| Oracle Linux 6 | thunderbird | 52.1.0-1.0.1.el6_9 |
| Oracle Linux 7 | firefox | 52.1.0-2.0.1.el7_3 |
| Oracle Linux 7 | thunderbird | 52.1.0-1.0.1.el7_3 |
| ubuntu 14.04 | firefox | 53.0+build6-0ubuntu0.14.04.1 |
| ubuntu 14.04 | thunderbird | 1:52.1.1+build1-0ubuntu0.14.04.1 |
| ubuntu 16.04 | firefox | 53.0+build6-0ubuntu0.16.04.1 |
| ubuntu 16.04 | thunderbird | 1:52.1.1+build1-0ubuntu0.16.04.1 |
| ubuntu 16.10 | firefox | 53.0+build6-0ubuntu0.16.10.1 |
| ubuntu 16.10 | thunderbird | 1:52.1.1+build1-0ubuntu0.16.10.1 |
| ubuntu 17.04 | firefox | 53.0+build6-0ubuntu0.17.04.1 |
| ubuntu 17.04 | thunderbird | 1:52.1.1+build1-0ubuntu0.17.04.1 |
References
- http://www.securityfocus.com/bid/97940
- http://www.securitytracker.com/id/1038320
- https://access.redhat.com/errata/RHSA-2017:1104
- https://access.redhat.com/errata/RHSA-2017:1106
- https://access.redhat.com/errata/RHSA-2017:1201
- https://access.redhat.com/security/cve/CVE-2017-5440
- https://bugzilla.mozilla.org/show_bug.cgi?id=1336832
- https://linux.oracle.com/cve/CVE-2017-5440.html
All 20 references
- https://linux.oracle.com/errata/ELSA-2017-1201.html
- https://nvd.nist.gov/vuln/detail/CVE-2017-5440
- https://ubuntu.com/security/notices/USN-3260-1
- https://ubuntu.com/security/notices/USN-3278-1
- https://www.cve.org/CVERecord?id=CVE-2017-5440
- https://www.debian.org/security/2017/dsa-3831
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-10/#CVE-2017-5440
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-11/#CVE-2017-5440
- https://www.mozilla.org/security/advisories/mfsa2017-10/
- https://www.mozilla.org/security/advisories/mfsa2017-11/
- https://www.mozilla.org/security/advisories/mfsa2017-12/
- https://www.mozilla.org/security/advisories/mfsa2017-13/