USN-8957-1: authd vulnerability
USN-8957-1
Summary
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)
Products covered
A separate affected-products list was not included in the collected bulletin.
Remediation
Separate remediation guidance was not included in the collected bulletin.
CVEs in this advisory 9
Updates
- Published by Ubuntu
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.
- Confirmed at the source
Our collector saw this advisory during a later source check.