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OpenAdvisories
High WID-SEC-2026-0234 12 CVEs

OpenSSL: Mehrere Schwachstellen

Published Jan 27, 2026 · Updated Nov 2, 2026 · Revision 65 · de-DE

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Summary

Ein Angreifer kann mehrere Schwachstellen in OpenSSL ausnutzen, um beliebigen Programmcode auszuführen, einen Denial-of-Service-Zustand zu verursachen oder vertrauliche Informationen offenzulegen.

Product

OpenSSL ist eine im Quelltext frei verfügbare Bibliothek, die Secure Sockets Layer (SSL) und Transport Layer Security (TLS) implementiert.

Vulnerabilities 12

  • High 8.8
    CVE-2025-15467 Public exploit EPSS 75%

    Stack buffer overflow in CMS (Auth)EnvelopedData parsing

    Issue summary: Parsing CMS AuthEnvelopedData or EnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact summary: A stack buffer overflow may lead to a crash, causing Denial of Service, or potentially remote c…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  • High 7.5
    CVE-2025-69420 Public exploit

    Missing ASN1_TYPE validation in TS_RESP_verify_response() function

    Issue summary: A type confusion vulnerability exists in the TimeStamp Response verification code where an ASN1_TYPE union member is accessed without first validating the type, causing an invalid or NULL pointer dereference when processing a malformed TimeStam…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  • High 7.5
    CVE-2025-69421 Public exploit

    NULL Pointer Dereference in PKCS12_item_decrypt_d2i_ex function

    Issue summary: Processing a malformed PKCS#12 file can trigger a NULL pointer dereference in the PKCS12_item_decrypt_d2i_ex() function. Impact summary: A NULL pointer dereference can trigger a crash which leads to Denial of Service for an application processi…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  • High 7.4
    CVE-2025-69419 Public exploit

    Out of bounds write in PKCS12_get_friendlyname() UTF-8 conversion

    Issue summary: Calling PKCS12_get_friendlyname() function on a maliciously crafted PKCS#12 file with a BMPString (UTF-16BE) friendly name containing non-ASCII BMP code point can trigger a one byte write before the allocated buffer. Impact summary: The out-of-…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  • Medium 6.1
    CVE-2025-11187 Public exploit

    Improper validation of PBMAC1 parameters in PKCS#12 MAC verification

    Issue summary: PBMAC1 parameters in PKCS#12 files are missing validation which can trigger a stack-based buffer overflow, invalid pointer or NULL pointer dereference during MAC verification. Impact summary: The stack buffer overflow or NULL pointer dereferenc…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Alpine Wolfi
  • Medium 5.9
    CVE-2025-15468

    NULL dereference in SSL_CIPHER_find() function on unknown cipher ID

    Issue summary: If an application using the SSL_CIPHER_find() function in a QUIC protocol client or server receives an unknown cipher suite from the peer, a NULL dereference occurs. Impact summary: A NULL pointer dereference leads to abnormal termination of th…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  • Medium 5.9
    CVE-2025-66199

    TLS 1.3 CompressedCertificate excessive memory allocation

    Issue summary: A TLS 1.3 connection using certificate compression can be forced to allocate a large buffer before decompression without checking against the configured certificate size limit. Impact summary: An attacker can cause per-connection memory allocat…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  • Medium 5.5
    CVE-2025-15469

    'openssl dgst' one-shot codepath silently truncates inputs >16MB

    Issue summary: The 'openssl dgst' command-line tool silently truncates input data to 16MB when using one-shot signing algorithms and reports success instead of an error. Impact summary: A user signing or verifying files larger than 16MB with one-shot algorith…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Alpine Wolfi
  • Medium 5.5
    CVE-2026-22795

    Missing ASN1_TYPE validation in PKCS#12 parsing

    Issue summary: An invalid or NULL pointer dereference can happen in an application processing a malformed PKCS#12 file. Impact summary: An application processing a malformed PKCS#12 file can be caused to dereference an invalid or NULL pointer on memory read, …

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  • Medium 5.3
    CVE-2026-22796

    ASN1_TYPE Type Confusion in the PKCS7_digest_from_attributes() function

    Issue summary: A type confusion vulnerability exists in the signature verification of signed PKCS#7 data where an ASN1_TYPE union member is accessed without first validating the type, causing an invalid or NULL pointer dereference when processing malformed PK…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  • Medium 4.7
    CVE-2025-68160

    Heap out-of-bounds write in BIO_f_linebuffer on short writes

    Issue summary: Writing large, newline-free data into a BIO chain using the line-buffering filter where the next BIO performs short writes can trigger a heap-based out-of-bounds write. Impact summary: This out-of-bounds write can cause memory corruption which …

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  • Medium 4.0
    CVE-2025-69418

    Unauthenticated/unencrypted trailing bytes with low-level OCB function calls

    Issue summary: When using the low-level OCB API directly with AES-NI or<br>other hardware-accelerated code paths, inputs whose length is not a multiple<br>of 16 bytes can leave the final partial block unencrypted and unauthenticated.<br><br>Impact summary: Th…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi

Revision history

  1. #65

    Neue Updates von Red Hat aufgenommen

  2. #64

    Neue Updates von Red Hat aufgenommen

  3. #63

    Neue Updates von Red Hat aufgenommen

  4. #62

    Neue Updates von Red Hat aufgenommen

  5. #61

    Neue Updates von IBM aufgenommen

  6. #60

    Neue Updates von Red Hat aufgenommen

  7. #59

    Neue Updates von IBM aufgenommen

  8. #58

    Neue Updates von Dell aufgenommen

  9. #57

    Neue Updates von Dell aufgenommen

  10. #56

    Neue Updates von SUSE und Dell aufgenommen

  11. #55

    Neue Updates aufgenommen

  12. #54

    Neue Updates von IBM aufgenommen

  13. #53

    Neue Updates von SUSE aufgenommen

  14. #52

    Neue Updates von Dell aufgenommen

  15. #51

    Neue Updates von Oracle Linux aufgenommen

  16. #50

    Neue Updates von SUSE aufgenommen

  17. #49

    Neue Updates von SUSE aufgenommen

  18. #48

    Neue Updates von IBM aufgenommen

  19. #47

    Neue Updates von Dell aufgenommen

  20. #46

    Neue Updates aufgenommen

  21. #45

    Neue Updates von Rocky Enterprise Software Foundation aufgenommen

  22. #44

    Neue Updates von Red Hat aufgenommen

  23. #43

    Neue Updates von Red Hat und Dell aufgenommen

  24. #42

    Neue Updates von Insyde aufgenommen

  25. #41

    Neue Updates von SUSE aufgenommen

References