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CVE-2017-5449
A possibly exploitable crash triggered during layout and manipulation of bidirectional unicode text in concert with CSS animations. This…
High7.5EPSS 2.5%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
Description
A possibly exploitable crash triggered during layout and manipulation of bidirectional unicode text in concert with CSS animations. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.5% · top 15% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Crash during bidirectional unicode manipulation with animation
- CWE-20 (opens in a new tab)All about CWE-20 and its CVEs
Affected products
- affected unspecified – < 52.1
- affected unspecified – < 52.1
- affected unspecified – < 53
References (9)
- RHSA-2017:1106 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=1340127 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.mozilla.org/security/advisories/mfsa2017-12/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.mozilla.org/security/advisories/mfsa2017-10/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 97940 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.mozilla.org/security/advisories/mfsa2017-13/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1038320 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- RHSA-2017:1104 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:1201 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2017-5449)Record last updated .