Memory safety bugs were reported in Firefox 55 and Firefox ESR 52.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
CVE-2017-7810
Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 9.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 84.8%
- KEV
- Not listed
Published
June 11, 2018
Last Modified
November 25, 2025
Advisory Details (9)
Auto-updated Jun 6, 2026[SECURITY] [DSA 4014-1] thunderbird security update
https://www.debian.org/security/2017/dsa-4014[SECURITY] [DSA 3987-1] firefox-esr security update
https://www.debian.org/security/2017/dsa-3987Mozilla Thunderbird: Multiple vulnerabilities (GLSA 201803-14) — Gentoo security
https://security.gentoo.org/glsa/201803-14[SECURITY] [DLA 1153-1] icedove/thunderbird security update
https://lists.debian.org/debian-lts-announce/2017/11/msg00000.htmlClient Challenge
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1386787%2C1389974%2C1371657%2C1360334%2C1390550%2C1380824%2C1387918%2C1395598Affected: Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7.
https://access.redhat.com/errata/RHSA-2017:2885Affected: Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7.
https://access.redhat.com/errata/RHSA-2017:2831Vendor Advisories for CVE-2017-7810(2)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(5)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | libmozjs-52-dev (52.8.1-0ubuntu0.18.04.1) @ bionic | 2026-05-28 | ubuntu |
| ubuntu | xul-ext-lightning (1:52.4.0+build1-0ubuntu0.14.04.2) @ trusty | 2026-05-28 | ubuntu |
| ubuntu | firefox (56.0+build6-0ubuntu0.17.04.1) @ zesty | 2026-05-28 | ubuntu |
| redhat | thunderbird-0:52.4.0-2.el7_4 | 2017-10-11 | redhat |
| redhat | firefox-0:52.4.0-1.el7_4 | 2017-09-28 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(3)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 13× in last 7d / 43× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 13:42 UTCEPSS rescore
- 2026-07-06 16:24 UTCEPSS rescore
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- 2026-07-05 02:27 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-04 06:26 UTCOSV refresh
- 2026-07-02 16:54 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-29 14:03 UTCEPSS rescore
- 2026-06-28 14:04 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
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- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-17 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-15 18:13 UTCOSV refresh
- 2026-06-15 17:45 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-13 22:57 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-11 13:57 UTCEPSS rescore
- 2026-06-10 22:15 UTCEPSS rescore
- 2026-06-10 13:19 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-04 13:10 UTCEPSS rescore
- 2026-06-04 13:10 UTCEPSS rescore
- 2026-06-02 20:11 UTCEPSS rescore
- 2026-06-02 20:11 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 06:51 UTCEG score recompute
- 2026-05-28 06:51 UTCVendor advisory
- 2026-05-28 06:51 UTCGHSA enrichment
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 17:01 UTCOSV refresh
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2017-7810?
When was CVE-2017-7810 disclosed?
Is CVE-2017-7810 actively exploited?
What is the CVSS score of CVE-2017-7810?
How do I remediate CVE-2017-7810?
Dependency Blast Radius
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