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Exploit for Improper Check for Unusual or Exceptional Conditions in Openssl

🗓️ 22 Jul 2026 11:28:35Reported by Kha-BelehType 
githubexploit
 githubexploit🔗 github.com👁 7 Views

Crash-only PoC for OpenSSL CVE-2025-69420 causing NULL dereference in signing-cert attribute.

Related
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FreeBSD		OpenSSL -- Multiple vulnerabilities
27 Jan 202600:00
–freebsd
IBM Security Bulletins		Security Bulletin: Vulnerabilities in openssl affects IBM Netezza Appliance
12 May 202606:56
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IBM Security Bulletins		Security Bulletin: IBM MQ is affected by multiple CVEs (CVE-2025-11187, CVE-2025-15467, CVE-2025-15468, CVE-2025-15469, CVE-2025-66199, CVE-2025-68160, CVE-2025-69418, CVE-2025-69419, CVE-2025-69420, CVE-2025-69421, CVE-2026-22795, CVE-2026-22796)
2 Mar 202611:34
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IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities impact AIX/VIOS due to OpenSSL
9 Mar 202621:03
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IBM Security Bulletins		Security Bulletin: IBM InfoSphere Information Server is affected by multiple vulnerabilities in OpenSSL
20 Jul 202614:19
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ATTACKERKB		CVE-2025-69420
27 Jan 202616:01
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Tenable Nessus		Amazon Linux 2023 : openssl, openssl-devel, openssl-fips-provider-latest (ALAS2023-2026-1434)
19 Feb 202600:00
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Tenable Nessus		Amazon Linux 2 : edk2, --advisory ALAS2-2026-3150 (ALAS-2026-3150)
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Tenable Nessus		Amazon Linux 2 : openssl, --advisory ALAS2-2026-3168 (ALAS-2026-3168)
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Tenable Nessus		Amazon Linux 2 : openssl11, --advisory ALAS2-2026-3169 (ALAS-2026-3169)
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22 Jul 2026 11:31Current
7.5High risk
Vulners AI Score7.5
CVSS 3.17.5
EPSS0.00768
SSVC
OpenSSLtimestamp responsesigning certificatenull pointeraddress sanitizerundefined behavior
7