# firefox 1:1snap1-0ubuntu1: firefox 1:1snap1-0ubuntu1 for Ubuntu 22.04.1 LTS (jammy)

firefox 1:1snap1-0ubuntu1, released April 6, 2022, fixes 38 CVEs in firefox. 2 of them are being exploited (CVE-2022-26485); 2 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-jammy-firefox-1-1snap1-0ubuntu1
- Platform: Linux
- Released: Apr 6, 2022
- Priority: Patch now (Closes CVE-2022-26485, exploited (CISA KEV))
- CVEs: 38, exploited: 2, on CISA KEV: 2

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [firefox](https://patchblox.com/security/data/product/linux/firefox.md) | Ubuntu 22.04.1 LTS (jammy) | 1:1snap1-0ubuntu1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-26485](https://patchblox.com/security/data/cve/CVE-2022-26485.md) | Patch now | Mozilla Firefox Use-After-Free Vulnerability | 9.8 | 0.1426 | CISA KEV |
| [CVE-2022-26486](https://patchblox.com/security/data/cve/CVE-2022-26486.md) | Patch now | Mozilla Firefox Use-After-Free Vulnerability | 9.8 | 0.0236 | CISA KEV |
| [CVE-2022-26384](https://patchblox.com/security/data/cve/CVE-2022-26384.md) | Urgent | Mozilla Thunderbird and 4 others: Protection Mechanism Failure | 9.8 | 0.0097 |  |
| [CVE-2022-26381](https://patchblox.com/security/data/cve/CVE-2022-26381.md) | Urgent | Mozilla Thunderbird and 4 others: Use After Free | 9.8 | 0.0087 |  |
| [CVE-2022-26383](https://patchblox.com/security/data/cve/CVE-2022-26383.md) | Urgent | Mozilla Thunderbird and 4 others: User Interface (UI) Misrepresentation of Critical Information | 9.8 | 0.0073 |  |
| [CVE-2022-26387](https://patchblox.com/security/data/cve/CVE-2022-26387.md) | Urgent | Mozilla Thunderbird and 4 others: Time-of-check Time-of-use (TOCTOU) Race Condition | 9.8 | 0.0066 |  |
| [CVE-2022-25236](https://patchblox.com/security/data/cve/CVE-2022-25236.md) | High | libxmltok1: xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namesp... | 9.8 | 0.3527 |  |
| [CVE-2022-24713](https://patchblox.com/security/data/cve/CVE-2022-24713.md) | High | kanidm: Security update for kanidm | 8.8 | 0.1446 |  |
| [CVE-2022-22822](https://patchblox.com/security/data/cve/CVE-2022-22822.md) | High | xul-ext-lightning: addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. | 9.8 | 0.0548 |  |
| [CVE-2022-23852](https://patchblox.com/security/data/cve/CVE-2022-23852.md) | High | expat: Expat (aka libexpat) before 2.4.4 has a signed integer overflow inXML_GetBuffer, for configurations with a nonzero XM... | 9.8 | 0.0508 |  |
| [CVE-2022-25235](https://patchblox.com/security/data/cve/CVE-2022-25235.md) | High | libxmltok1: xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a... | 9.8 | 0.0496 |  |
| [CVE-2022-25315](https://patchblox.com/security/data/cve/CVE-2022-25315.md) | High | expat: In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames. | 9.8 | 0.0482 |  |
| [CVE-2022-25314](https://patchblox.com/security/data/cve/CVE-2022-25314.md) | High | expat: In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString. | 7.5 | 0.0482 |  |
| [CVE-2022-23990](https://patchblox.com/security/data/cve/CVE-2022-23990.md) | High | expat: Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function. | 9.8 | 0.0469 |  |
| [CVE-2021-45960](https://patchblox.com/security/data/cve/CVE-2021-45960.md) | High | expat: In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) placesin the storeAtts function in xmlparse.c can... | 9.8 | 0.0467 |  |
| [CVE-2021-46143](https://patchblox.com/security/data/cve/CVE-2021-46143.md) | High | expat: In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integeroverflow exists for m_groupSize. | 9.8 | 0.0447 |  |
| [CVE-2022-22823](https://patchblox.com/security/data/cve/CVE-2022-22823.md) | High | thunderbird-mozsymbols: build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. | 9.8 | 0.0387 |  |
| [CVE-2022-22824](https://patchblox.com/security/data/cve/CVE-2022-22824.md) | High | expat: defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. | 9.8 | 0.0387 |  |
| [CVE-2022-25313](https://patchblox.com/security/data/cve/CVE-2022-25313.md) | High | expat: In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting dep... | 7.5 | 0.0330 |  |
| [CVE-2022-22826](https://patchblox.com/security/data/cve/CVE-2022-22826.md) | High | libxmltok1: nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. | 9.8 | 0.0318 |  |
| [CVE-2022-22827](https://patchblox.com/security/data/cve/CVE-2022-22827.md) | High | thunderbird-gnome-support: storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. | 9.8 | 0.0318 |  |
| [CVE-2022-22825](https://patchblox.com/security/data/cve/CVE-2022-22825.md) | High | libxmltok1: lookup in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow. | 9.8 | 0.0299 |  |
| [CVE-2022-28281](https://patchblox.com/security/data/cve/CVE-2022-28281.md) | High | Mozilla Thunderbird and 4 others: Out-of-bounds Write | 8.8 | 0.0278 |  |
| [CVE-2022-28282](https://patchblox.com/security/data/cve/CVE-2022-28282.md) | High | Mozilla Thunderbird and 4 others: Use After Free | 8.8 | 0.0218 |  |
| [CVE-2022-23639](https://patchblox.com/security/data/cve/CVE-2022-23639.md) | High | firefox: crossbeam-utils provides atomics, synchronization primitives, scopedthreads, and other utilities for concurrent progr... | 8.1 | 0.0123 |  |
| [CVE-2022-1097](https://patchblox.com/security/data/cve/CVE-2022-1097.md) | High | Mozilla Thunderbird and 4 others: Use After Free | 8.8 | 0.0095 |  |
| [CVE-2022-28285](https://patchblox.com/security/data/cve/CVE-2022-28285.md) | High | Mozilla Thunderbird and 4 others: Out-of-bounds Read | 8.8 | 0.0079 |  |
| [CVE-2022-1196](https://patchblox.com/security/data/cve/CVE-2022-1196.md) | High | Mozilla Thunderbird and 1 other: Use After Free | 8.8 | 0.0075 |  |
| [CVE-2022-28289](https://patchblox.com/security/data/cve/CVE-2022-28289.md) | High | Mozilla Thunderbird and 4 others: Out-of-bounds Write | 8.8 | 0.0074 |  |
| [CVE-2022-28284](https://patchblox.com/security/data/cve/CVE-2022-28284.md) | High | Mozilla Firefox ESR and 2 others: Improper Encoding or Escaping of Output | 8.8 | 0.0059 |  |
| [CVE-2022-28286](https://patchblox.com/security/data/cve/CVE-2022-28286.md) | High | Mozilla Thunderbird and 4 others: Improper Restriction of Rendered UI Layers or Frames | 8.8 | 0.0058 |  |
| [CVE-2022-0843](https://patchblox.com/security/data/cve/CVE-2022-0843.md) | High | Mozilla Firefox ESR and 2 others: Out-of-bounds Write | 8.8 | 0.0057 |  |
| [CVE-2022-28288](https://patchblox.com/security/data/cve/CVE-2022-28288.md) | High | Mozilla Firefox ESR and 2 others: Out-of-bounds Write | 8.8 | 0.0056 |  |
| [CVE-2022-24791](https://patchblox.com/security/data/cve/CVE-2022-24791.md) | Routine | firefox: Wasmtime is a standalone JIT-style runtime for WebAssembly, using Cranelift | n/a | 0.0118 |  |
| [CVE-2022-28283](https://patchblox.com/security/data/cve/CVE-2022-28283.md) | Routine | Mozilla Firefox ESR and 2 others: Files or Directories Accessible to External Parties | 6.5 | 0.0060 |  |
| [CVE-2022-26385](https://patchblox.com/security/data/cve/CVE-2022-26385.md) | Routine | Mozilla Firefox ESR and 2 others: Use After Free | 6.5 | 0.0058 |  |
| [CVE-2022-28287](https://patchblox.com/security/data/cve/CVE-2022-28287.md) | Routine | Mozilla Firefox ESR and 2 others: Improper Control of a Resource Through its Lifetime | 6.5 | 0.0057 |  |
| [CVE-2022-26382](https://patchblox.com/security/data/cve/CVE-2022-26382.md) | Routine | Mozilla Firefox ESR and 2 others: Observable Discrepancy | 4.3 | 0.0051 |  |

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