VDB
CVE-2018-18500
CVE-2018-18500
PUBLISHED
A use-after-free vulnerability can occur while parsing an HTML5 stream in concert with custom HTML elements. This results in the stream parser object being freed while still in use, leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 60.5, Firefox ESR < 60.5, and Firefox < 65.
EPSS 35.41% · 97.1th percentile
Risk Scores
EPSS Score
35.41%
97.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | mozjs52 | 52.9.1-1build1, 0, 52.9.1-1ubuntu3 |
| Ubuntu:18.04:LTS | thunderbird | 1:60.4.0+build2-0ubuntu0.18.04.1, 1:52.7.0+build1-0ubuntu1, 1:52.4.0+build1-0ubuntu2 |
| Ubuntu:16.04:LTS | firefox | 57.0.3+build1-0ubuntu0.16.04.1, 57.0.1+build2-0ubuntu0.16.04.1, 57.0+build4-0ubuntu0.16.04.6 |
| Ubuntu:14.04:LTS | thunderbird | 0, 1:24.0+build1-0ubuntu1, 1:24.0+build1-0ubuntu2 |
| Ubuntu:14.04:LTS | firefox | 59.0+build5-0ubuntu0.14.04.1, 59.0.1+build1-0ubuntu0.14.04.1, 59.0.2+build1-0ubuntu0.14.04.1 |
| Ubuntu:18.04:LTS | mozjs52 | 52.3.1-0ubuntu3, 0, 52.3.1-7fakesync1 |
| Ubuntu:16.04:LTS | thunderbird | 1:38.6.0+build1-0ubuntu1, 1:38.8.0+build1-0ubuntu0.16.04.1, 1:45.2.0+build1-0ubuntu0.16.04.1 |
| Ubuntu:18.04:LTS | mozjs38 | 0, 38.8.0~repack1-0ubuntu1, 38.8.0~repack1-0ubuntu3 |
| Ubuntu:18.04:LTS | firefox | 60.0.1+build2-0ubuntu0.18.04.1, 61.0+build3-0ubuntu0.18.04.1, 61.0.1+build1-0ubuntu0.18.04.1 |
Exploit Intelligence
- PoC for CVE-2018-18500 - Firefox Use-After-Free (github-poc-repo)
- PoC for CVE-2018-18500 - Firefox Use-After-Free (github-poc-repo)
- PoC for CVE-2018-18500 - Firefox Use-After-Free (github-poc-repo)
- PoC for CVE-2018-18500 - Firefox Use-After-Free (github-poc-repo)
- PoC for CVE-2018-18500 - Firefox Use-After-Free (github-poc-repo)
- PoC for CVE-2018-18500 - Firefox Use-After-Free (github-poc-repo)
- PoC for CVE-2018-18500 - Firefox Use-After-Free (github-poc)
- PoC for CVE-2018-18500 - Firefox Use-After-Free (github-poc)
- PoC for CVE-2018-18500 - Firefox Use-After-Free (github-poc)
- PoC for CVE-2018-18500 - Firefox Use-After-Free (github-poc)
…and 1 more exploits
Timeline
- Jan 30, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
- Jan 30, 2024 EPSS Score
- Jun 28, 2024 EPSS Score
- Aug 7, 2024 EPSS Score
- Aug 31, 2024 EPSS Score
- Sep 24, 2024 EPSS Score
- Nov 20, 2024 EPSS Score
- Dec 17, 2024 EPSS Score
- Mar 17, 2025 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-18500 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-01/#CVE-2018-18500 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2019-03/#CVE-2018-18500 third-party-advisory
- https://ubuntu.com/security/notices/USN-3874-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-3897-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-18500 third-party-advisory