Ubuntu Security NoticesUSN-8684-1

USN-8684-1: Perl vulnerabilities

It was discovered that Perl incorrectly handled certain arguments to Socket and pack/unpack functions. An attacker could possibly use this issue to read sensitive information from memory. (CVE-2026-12087, CVE-2026-57432) It was discovered that Perl incorrectly handled regular expressions with a large number of alternation branches. An attacker could possibly use this issue to cause incorrect matching results. (CVE-2026-13221) It was discovered that Perl incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-57433, CVE-2025-15649, CVE-2026-48959, CVE-2026-9538) It was discovered that Perl incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2026-48962) It was discovered that Perl incorrectly handled credential headers during cross-origin redirects in HTTP::Tiny. An attacker could possibly use this issue to expose sensitive information. (CVE-2026-7017)

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Aug 27, 2026 at 11:10 AM UTC
Published by Ubuntu
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Aug 27, 2026 at 1:50 PM UTC
Added to SecurityAlert
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Aug 31, 2026 at 9:50 AM UTC
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Vendor: Ubuntu
Advisory ID: USN-8684-1
Last source check: Sep 13, 2026 at 5:50 AM UTC

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