CVE-2022-46663
CVE-2022-46663 is a high-severity vulnerability in Gnu Less with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Gnu Less
- Published:
- Last modified:
Description
In GNU Less before 609, crafted data can result in "less -R" not filtering ANSI escape sequences sent to the terminal.
Frequently asked questions
- What is CVE-2022-46663?
- In GNU Less before 609, crafted data can result in "less -R" not filtering ANSI escape sequences sent to the terminal.
- How severe is CVE-2022-46663?
- CVE-2022-46663 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2022-46663 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-46663?
- CVE-2022-46663 primarily affects Gnu Less. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-46663?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2022-46663 published?
- CVE-2022-46663 was published on 2023-02-07 and last updated on 2026-06-17.
References
- http://www.greenwoodsoftware.com/less/news.609.html
- http://www.openwall.com/lists/oss-security/2023/02/07/7
- https://github.com/gwsw/less/commit/a78e1351113cef564d790a730d657a321624d79c
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LR7AUWB34JD4PCW3HHASBEDGGHFWPAQP/
- https://security.gentoo.org/glsa/202310-11
- https://www.openwall.com/lists/oss-security/2023/02/07/7
Affected products (2)
- cpe:2.3:a:gnu:less:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
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