# xul-ext-lightning 1:52.9.1+build3-0ubuntu0.18.04.1: xul-ext-lightning 1:52.9.1+build3-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)

xul-ext-lightning 1:52.9.1+build3-0ubuntu0.18.04.1, released July 4, 2018, fixes 11 CVEs in xul-ext-lightning. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-lightning-1-52.9.1-build3-0ubuntu0.18.04.1
- Platform: Linux
- Released: Jul 4, 2018
- Priority: Routine (Closes 11 CVEs, none high severity)
- CVEs: 11, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [xul-ext-lightning](https://patchblox.com/security/data/product/linux/xul-ext-lightning.md) | Ubuntu 18.04.6 LTS (bionic) | 1:52.9.1+build3-0ubuntu0.18.04.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2018-12359](https://patchblox.com/security/data/cve/CVE-2018-12359.md) | Routine | firefox: A buffer overflow can occur when rendering canvas content while adjusting the height and width of the canvas element... | n/a | 0.0465 |  |
| [CVE-2018-5188](https://patchblox.com/security/data/cve/CVE-2018-5188.md) | Routine | firefox: Memory safety bugs present in Firefox 60, Firefox ESR 60, and Firefox ESR 52.8 | n/a | 0.0395 |  |
| [CVE-2018-12362](https://patchblox.com/security/data/cve/CVE-2018-12362.md) | Routine | xul-ext-gdata-provider: An integer overflow can occur during graphics operations done by the Supplemental Streaming SIMD Extensions 3 (SSSE3)... | n/a | 0.0377 |  |
| [CVE-2018-12365](https://patchblox.com/security/data/cve/CVE-2018-12365.md) | Routine | firefox: A compromised IPC child process can escape the content sandbox and list the names of arbitrary files on the file syst... | n/a | 0.0316 |  |
| [CVE-2018-12366](https://patchblox.com/security/data/cve/CVE-2018-12366.md) | Routine | firefox: An invalid grid size during QCMS (color profile) transformations can result in the out-of-bounds read interpreted as... | n/a | 0.0316 |  |
| [CVE-2018-12360](https://patchblox.com/security/data/cve/CVE-2018-12360.md) | Routine | firefox: A use-after-free vulnerability can occur when deleting an input element during a mutation event handler triggered by... | n/a | 0.0311 |  |
| [CVE-2018-12363](https://patchblox.com/security/data/cve/CVE-2018-12363.md) | Routine | firefox: A use-after-free vulnerability can occur when script uses mutation events to move DOM nodes between documents, result... | n/a | 0.0310 |  |
| [CVE-2018-12372](https://patchblox.com/security/data/cve/CVE-2018-12372.md) | Routine | thunderbird-mozsymbols: Decrypted S/MIME parts, when included in HTML crafted for an attack, can leak plaintext when included in a a HTML rep... | n/a | 0.0247 |  |
| [CVE-2018-12373](https://patchblox.com/security/data/cve/CVE-2018-12373.md) | Routine | thunderbird: dDecrypted S/MIME parts hidden with CSS or the plaintext HTML tag can leak plaintext when included in a HTML reply/fo... | n/a | 0.0240 |  |
| [CVE-2018-12374](https://patchblox.com/security/data/cve/CVE-2018-12374.md) | Routine | thunderbird: Plaintext of decrypted emails can leak through by user submitting an embedded form by pressing enter key within a tex... | n/a | 0.0204 |  |
| [CVE-2018-12364](https://patchblox.com/security/data/cve/CVE-2018-12364.md) | Routine | firefox: NPAPI plugins, such as Adobe Flash, can send non-simple cross-origin requests, bypassing CORS by making a same-origin... | n/a | 0.0182 |  |

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Data as of 2026-11-13T20:04:13Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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