Package "libssl-dev"

  openssl (1.1.1f-1ubuntu2.23) focal-security; urgency=medium

  * SECURITY UPDATE: unbounded mem growth when processing TLSv1.3 sessions
    - debian/patches/CVE-2024-2511.patch: fix unconstrained session cache
      growth in TLSv1.3 in ssl/ssl_lib.c, ssl/ssl_sess.c,
      ssl/statem/statem_srvr.c.
    - CVE-2024-2511
  * SECURITY UPDATE: use after free with SSL_free_buffers
    - debian/patches/CVE-2024-4741.patch: only free the read buffers if
      we're not using them in ssl/record/rec_layer_s3.c,
      ssl/record/record.h, ssl/ssl_lib.c.
    - CVE-2024-4741
  * SECURITY UPDATE: crash or memory disclosure via SSL_select_next_proto
    - debian/patches/CVE-2024-5535.patch: validate provided client list in
      ssl/ssl_lib.c.
    - CVE-2024-5535

 -- Marc Deslauriers <email address hidden> Tue, 30 Jul 2024 12:36:54 -0400

  openssl (1.1.1f-1ubuntu2.22) focal-security; urgency=medium

  * SECURITY UPDATE: Implicit rejection for RSA PKCS#1 (LP: #2054090)
    - debian/patches/openssl-1.1.1-pkcs1-implicit-rejection.patch:
      Return deterministic random output instead of an error in case
      there is a padding error in crypto/cms/cms_env.c,
      crypto/pkcs7/pk7_doit.c, crypto/rsa/rsa_local.h,
      crypto/rsa/rsa_ossl.c, crypto/rsa/rsa_pk1.c, crypto/rsa/rsa_pmeth.c,
      doc/man1/pkeyutl.pod, doc/man1/rsautl.pod,
      doc/man3/EVP_PKEY_CTX_ctrl.pod, doc/man3/EVP_PKEY_decrypt.pod,
      doc/man3/RSA_padding_add_PKCS1_type_1.pod,
      doc/man3/RSA_public_encrypt.pod, include/openssl/rsa.h and
      test/recipes/30-test_evp_data/evppkey.txt.

 -- David Fernandez Gonzalez <email address hidden> Fri, 16 Feb 2024 16:41:31 +0100

  openssl (1.1.1f-1ubuntu2.21) focal-security; urgency=medium

  * SECURITY UPDATE: Excessive time spent in DH check / generation with
    large Q parameter value
    - debian/patches/CVE-2023-5678.patch: make DH_check_pub_key() and
      DH_generate_key() safer yet in crypto/dh/dh_check.c,
      crypto/dh/dh_err.c, crypto/dh/dh_key.c, crypto/err/openssl.txt,
      include/openssl/dh.h, include/openssl/dherr.h.
    - CVE-2023-5678
  * SECURITY UPDATE: PKCS12 Decoding crashes
    - debian/patches/CVE-2024-0727.patch: add NULL checks where ContentInfo
      data can be NULL in crypto/pkcs12/p12_add.c,
      crypto/pkcs12/p12_mutl.c, crypto/pkcs12/p12_npas.c,
      crypto/pkcs7/pk7_mime.c.
    - CVE-2024-0727

 -- Marc Deslauriers <email address hidden> Wed, 31 Jan 2024 15:45:27 -0500

  openssl (1.1.1f-1ubuntu2.20) focal-security; urgency=medium

  * SECURITY UPDATE: denial of service
    - debian/patches/CVE-2023-3446.patch: adds check to prevent the testing of
      an excessively large modulus in DH_check().
    - CVE-2023-3446
  * SECURITY UPDATE: denial of service
    - debian/patches/CVE-2023-3817.patch: adds check to prevent the testing of
      invalid q values in DH_check().
    - CVE-2023-3817

 -- Ian Constantin <email address hidden> Tue, 10 Oct 2023 12:03:48 +0300

  openssl (1.1.1f-1ubuntu2.19) focal-security; urgency=medium

  * SECURITY UPDATE: Possible DoS translating ASN.1 object identifiers
    - debian/patches/CVE-2023-2650.patch: restrict the size of OBJECT
      IDENTIFIERs that OBJ_obj2txt will translate in
      crypto/objects/obj_dat.c.
    - CVE-2023-2650
  * Replace CVE-2022-4304 fix with improved version
    - debian/patches/CVE-2022-4304.patch: remove previous fix.
    - debian/patches/CVE-2022-4304-1.patch: use alternative fix in
      crypto/bn/bn_asm.c, crypto/bn/bn_blind.c, crypto/bn/bn_lib.c,
      crypto/bn/bn_local.h, crypto/rsa/rsa_ossl.c.
    - debian/patches/CVE-2022-4304-2.patch: re-add
      BN_F_OSSL_BN_RSA_DO_UNBLIND which was incorrectly removed in
      include/openssl/bnerr.h.

 -- Marc Deslauriers <email address hidden> Wed, 24 May 2023 13:14:51 -0400