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CVE-2024-7589

Medium priority
Not affected

A signal handler in sshd(8) may call a logging function that is not async-signal-safe. The signal handler is invoked when a client does not authenticate within the LoginGraceTime seconds (120 by default). This signal handler...

2 affected packages

openssh, openssh-ssh1

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
openssh Not affected Not affected Not affected Not affected Not affected
openssh-ssh1 Not affected Not affected Not affected Not affected
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CVE-2024-6409

Medium priority
Not affected

A race condition vulnerability was discovered in how signals are handled by OpenSSH's server (sshd). If a remote attacker does not authenticate within a set time period, then sshd's SIGALRM handler is called...

2 affected packages

openssh, openssh-ssh1

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
openssh Not affected Not affected Not affected Not affected Not affected
openssh-ssh1 Not affected Not affected Not affected Not affected
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CVE-2024-39894

Medium priority
Fixed

OpenSSH 9.5 through 9.7 before 9.8 sometimes allows timing attacks against echo-off password entry (e.g., for su and Sudo) because of an ObscureKeystrokeTiming logic error. Similarly, other timing attacks against keystroke entry...

2 affected packages

openssh, openssh-ssh1

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
openssh Fixed Not affected Not affected Not affected Not affected
openssh-ssh1 Not affected Not affected Not affected Not affected
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CVE-2024-6387

High priority
Fixed

A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be able to trigger...

2 affected packages

openssh, openssh-ssh1

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
openssh Fixed Fixed Not affected Not affected Not affected
openssh-ssh1 Not affected Not affected Not affected Not affected
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CVE-2024-5535

Low priority

Some fixes available 4 of 19

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...

4 affected packages

edk2, nodejs, openssl, openssl1.0

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
edk2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
nodejs Not affected Vulnerable Not affected Needs evaluation Needs evaluation
openssl Fixed Fixed Fixed Needs evaluation Needs evaluation
openssl1.0 Not in release Not in release Not in release Needs evaluation
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CVE-2024-4741

Low priority

Some fixes available 4 of 18

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...

4 affected packages

edk2, nodejs, openssl, openssl1.0

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
edk2 Vulnerable Vulnerable Vulnerable Needs evaluation Needs evaluation
nodejs Not affected Vulnerable Not affected Needs evaluation Needs evaluation
openssl Fixed Fixed Fixed Needs evaluation Needs evaluation
openssl1.0 Not in release Not in release Not in release Not affected
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CVE-2024-4603

Low priority

Some fixes available 3 of 9

Issue summary: Checking excessively long DSA keys or parameters may be very slow. Impact summary: Applications that use the functions EVP_PKEY_param_check() or EVP_PKEY_public_check() to check a DSA public key or DSA parameters...

4 affected packages

edk2, nodejs, openssl, openssl1.0

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
edk2 Vulnerable Not affected Not affected Not affected Not affected
nodejs Not affected Vulnerable Not affected Needs evaluation Needs evaluation
openssl Fixed Fixed Not affected Not affected Not affected
openssl1.0 Not in release Not in release Not in release Not affected
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CVE-2024-2467

Medium priority
Vulnerable

A timing-based side-channel flaw exists in the perl-Crypt-OpenSSL-RSA package, which could be sufficient to recover plaintext across a network in a Bleichenbacher-style attack. To achieve successful decryption, an attacker would...

1 affected package

libcrypt-openssl-rsa-perl

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
libcrypt-openssl-rsa-perl Vulnerable Vulnerable Vulnerable Vulnerable Vulnerable
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CVE-2024-2511

Low priority

Some fixes available 4 of 18

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...

4 affected packages

edk2, nodejs, openssl, openssl1.0

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
edk2 Vulnerable Vulnerable Vulnerable Needs evaluation Needs evaluation
nodejs Not affected Vulnerable Not affected Needs evaluation Needs evaluation
openssl Fixed Fixed Fixed Needs evaluation Needs evaluation
openssl1.0 Not in release Not in release Not in release Not affected
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CVE-2024-3296

Medium priority
Needs evaluation

A timing-based side-channel flaw exists in the rust-openssl package, which could be sufficient to recover a plaintext across a network in a Bleichenbacher-style attack. To achieve successful decryption, an attacker would have to...

1 affected package

rust-openssl

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
rust-openssl Needs evaluation Needs evaluation Needs evaluation
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