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OpenAdvisories
Critical DLA-3942-2 6 CVEs

openssl - regression update

Published Nov 3, 2024 · Updated Mar 9, 2026

Fixed packages 1

ReleasePackageFixed in
Debian · 11 openssl 1.1.1w-0+deb11u2

Vulnerabilities 6

  • Critical 9.8

    Use After Free with SSL_free_buffers

    Issue summary: Calling the OpenSSL API function SSL_free_buffers may cause memory to be accessed that was previously freed in some situations Impact summary: A use after free can have a range of potential consequences such as the corruption of valid data, cra…

  • Critical 9.1
    CVE-2024-5535 Public exploit

    SSL_select_next_proto buffer overread

    Issue summary: Calling the OpenSSL API function SSL_select_next_proto with an empty supported client protocols buffer may cause a crash or memory contents to be sent to the peer. Impact summary: A buffer overread can have a range of potential consequences suc…

  • High 8.8
    CVE-2024-9143 EPSS 12%

    Low-level invalid GF(2^m) parameters lead to OOB memory access

    Issue summary: Use of the low-level GF(2^m) elliptic curve APIs with untrusted explicit values for the field polynomial can lead to out-of-bounds memory reads or writes. Impact summary: Out of bound memory writes can lead to an application crash or even a pos…

  • Medium 5.9
    CVE-2024-2511 EPSS 59%

    Unbounded memory growth with session handling in TLSv1.3

    Issue summary: Some non-default TLS server configurations can cause unbounded memory growth when processing TLSv1.3 sessions Impact summary: An attacker may exploit certain server configurations to trigger unbounded memory growth that would lead to a Denial o…

  • Medium 5.5

    PKCS12 Decoding crashes

    Issue summary: Processing a maliciously formatted PKCS12 file may lead OpenSSL to crash leading to a potential Denial of Service attack Impact summary: Applications loading files in the PKCS12 format from untrusted sources might terminate abruptly. A file in …

  • Medium 5.3

    Excessive time spent in DH check / generation with large Q parameter value

    Issue summary: Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH keys or parameters may be very slow. Impact summary: Applications that use the functions DH_generate_key() to generate an X9.42 DH key may experience long delays. L…