CVE-2026-57074
Perl XML::Bare out-of-bounds read via unbounded lookahead can crash or leak memory.
Is CVE-2026-57074 being exploited?
Not confirmed. CVE-2026-57074 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.39% probability of exploitation in the next 30 days.
How severe is CVE-2026-57074?
CVE-2026-57074 is rated Critical with a CVSS score of 9.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-57074?
Yes. A fix has been recorded for CVE-2026-57074. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-57074 affect?
CVE-2026-57074 affects Perl XML::Bare <= 0.53, Applications using XML::Bare for XML parsing. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-57074?
Upgrade to a patched XML::Bare release when available or stop parsing untrusted XML.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Crafted XML can trigger out-of-bounds reads causing crashes (DoS) or memory disclosure when parsing untrusted XML.
Patch when possible
- affected<= 0.53
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.