GNU Less vulnerabilities

3 CVEs affecting GNU Less, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2022-46663, published 2023-02-07.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2014-9488, published 2015-04-14. High severity, CVSS 10.0. EPSS: 3.9% chance of exploitation in the next 30 days. The is_utf8_well_formed function in GNU less before 475 allows remote attackers to have unspecified impact via malformed UTF-8 characters, which triggers an out-of-bounds read.
• CVE-2004-2264, published 2004-12-31. Medium severity, CVSS 6.4. EPSS: 2% chance of exploitation in the next 30 days. Format string bug in the open_altfile function in filename.c for GNU less 382, 381, and 358 might allow local users to cause a denial of service or possibly execute arbitrary code via format strings…
• CVE-2022-46663, published 2023-02-07. High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days. In GNU Less before 609, crafted data can result in "less -R" not filtering ANSI escape sequences sent to the terminal.