Expired Pointer Dereference Affecting cpan-authors/YAML-Syck package, versions [,1.47)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published19 Jul 2026
- disclosed16 Jul 2026
- creditUnknown
Introduced: 16 Jul 2026
CVE-2026-57076 (opens in a new tab)How to fix?
Upgrade cpan-authors/YAML-Syck to version 1.47 or higher.
Overview
Affected versions of this package are vulnerable to Expired Pointer Dereference in the Load process. An attacker can cause information disclosure or application crash by submitting a specially crafted YAML document that reuses an anchor name, leading to the reading of freed heap memory.
Workaround
This vulnerability can be mitigated by avoiding the processing of untrusted YAML documents and restricting YAML input sources to trusted origins.