CVE-2022-26981
Gentoo Linux Security Advisory 202301-06
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Liblouis through 3.21.0 has a buffer overflow in compilePassOpcode in compileTranslationTable.c (called, indirectly, by tools/lou_checktable.c).
Liblouis versiones hasta 3.21.0, presenta un desbordamiento de búfer en compilePassOpcode en el archivo compileTranslationTable.c (llamado, indirectamente, por el archivo tools/lou_checktable.c)
Han Zheng discovered that Liblouis incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash. This issue was addressed in Ubuntu 21.10 and Ubuntu 22.04 LTS. It was discovered that Liblouis incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code or cause a crash.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-03-13 CVE Reserved
- 2022-03-13 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- 2025-03-31 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC
References (11)
| URL | Tag | Source |
|---|---|---|
| http://seclists.org/fulldisclosure/2022/Jul/12 | Mailing List |
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| http://seclists.org/fulldisclosure/2022/Jul/15 | Mailing List |
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| http://seclists.org/fulldisclosure/2022/Jul/16 | Mailing List |
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| http://seclists.org/fulldisclosure/2022/Jul/18 | Mailing List |
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| https://support.apple.com/kb/HT213340 | Third Party Advisory |
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| https://support.apple.com/kb/HT213342 | Third Party Advisory |
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| https://support.apple.com/kb/HT213345 | Third Party Advisory |
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| https://support.apple.com/kb/HT213346 | Third Party Advisory |
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| URL | Date | SRC |
|---|---|---|
| https://github.com/liblouis/liblouis/issues/1171 | 2024-08-03 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Liblouis Search vendor "Liblouis" | Liblouis Search vendor "Liblouis" for product "Liblouis" | <= 3.21.0 Search vendor "Liblouis" for product "Liblouis" and version " <= 3.21.0" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 36 Search vendor "Fedoraproject" for product "Fedora" and version "36" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Ipados Search vendor "Apple" for product "Ipados" | < 15.6 Search vendor "Apple" for product "Ipados" and version " < 15.6" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Iphone Os Search vendor "Apple" for product "Iphone Os" | < 15.6 Search vendor "Apple" for product "Iphone Os" and version " < 15.6" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | >= 12.0 < 12.5 Search vendor "Apple" for product "Macos" and version " >= 12.0 < 12.5" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Tvos Search vendor "Apple" for product "Tvos" | < 15.6 Search vendor "Apple" for product "Tvos" and version " < 15.6" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Watchos Search vendor "Apple" for product "Watchos" | < 8.7 Search vendor "Apple" for product "Watchos" and version " < 8.7" | - |
Affected
| ||||||