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CVE-2018-5146
An out of bounds memory write while processing Vorbis audio data was reported through the Pwn2Own contest. This vulnerability affects…
- 8.8HighCVSS base score
- 11.9%Exploitation in 30 daysEPSS · top 3.9% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mozilla
- 5 months later
· 5 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 11.9% · top 3.9% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
- affected unspecified – < 59.0.1
- affected unspecified – < 52.7.2
- affected unspecified – < 52.7
References
20
- RHSA-2018:0549 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-3604-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- DSA-4143 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- GLSA-201811-13 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- [debian-lts-announce] 20180326 [SECURITY] [DLA 1319-1] firefox-esr security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-3545-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3599-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://www.mozilla.org/security/advisories/mfsa2018-09/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20180329 [SECURITY] [DLA 1327-1] thunderbird security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-4155 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://www.mozilla.org/security/advisories/mfsa2018-08/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2018:0648 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:0647 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:1058 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1040544 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=1446062 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 103432 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- DSA-4140 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- [debian-lts-announce] 20180430 [SECURITY] [DLA 1368-1] libvorbis security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2018:0649 (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)
- EUVD EUVD-2018-16932 (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://cveledger.app/cve/CVE-2018-5146)Record last updated .