CVE-2025-65499

Array index error in tlsverifycallback in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSLgetexdataX509STORECTXidx to return -1...

PT-2025-47912

NULL pointer dereference in coap dtls generate cookie in src/coap openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSL get SSL CTX to return NULL...

CVE-2025-65495

Integer signedness error in tlsverifycallback in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted TLS certificate that causes i2dX509 to return -1 and be misused as a malloc size parameter...

CVE-2025-65499

Array index error in tlsverifycallback in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS handshake that triggers SSLgetexdataX509STORECTXidx to return -1...

CVE-2025-65493

CVE-2025-65493 affects libcoap (C implementation). A NULL pointer dereference in src/coap_openssl.c (BIO_get_data()) allows a remote attacker to cause DoS via a crafted DTLS/TLS connection on libcoap 4.3.5. Fedora advisories show fixes in libcoap-4.3.5a-1 for FC42/FC43; platforms openSUSE and EUV...

libcoap 安全漏洞

libcoap is a C implementation of a lightweight application protocol open-sourced by obgm. A security vulnerability exists in libcoap version 4.3.5, which stems from an integer sign error in the tlsverifycallback function in src/coapopenssl.c, which could lead to a denial of service attack...

PT-2025-47916

Name of the Vulnerable Software and Affected Versions Cesanta Mongoose versions prior to 7.2 Description A flaw exists in Cesanta Mongoose where a null pointer dereference in the add ca certs function can lead to a denial of service. This occurs during TLS initialization when SSL CTX get cert sto...

CVE-2025-65502

Null pointer dereference in addcacerts in Cesanta Mongoose before 7.2 allows remote attackers to cause a denial of service via TLS initialization where SSLCTXgetcertstore returns NULL...

Linux Distros Unpatched Vulnerability : CVE-2025-65495

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Integer signedness error in tlsverifycallback in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted TLS...

CVE-2025-11935

With TLS 1.3 pre-shared key PSK a malicious or faulty server could ignore the request for PFS perfect forward secrecy and the client would continue on with the connection using PSK without PFS. This happened when a server responded to a ClientHello containing pskdheke without a keyshare extension...

CVE-2025-11934

Improper input validation in the TLS 1.3 CertificateVerify signature algorithm negotiation in wolfSSL 5.8.2 and earlier on multiple platforms allows for downgrading the signature algorithm used. For example when a client sends ECDSA P521 as the supported signature algorithm the server previously...

SUSE-SU-2025:4169-1 Security update for the Linux Kernel RT (Live Patch 4 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise kernel 6.4.0-150700.7.16 fixes one security issue The following security issue was fixed: - CVE-2025-38616: tls: handle data disappearing from under the TLS ULP bsc1249537...

SUSE-SU-2025:4164-1 Security update for the Linux Kernel RT (Live Patch 1 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise kernel 6.4.0-150700.7.3 fixes various security issues The following security issues were fixed: - CVE-2025-38500: xfrm: interface: fix use-after-free after changing collectmd xfrm interface bsc1248672. - CVE-2025-38616: tls: handle data disappearing from...

SUSE-SU-2025:4167-1 Security update for the Linux Kernel RT (Live Patch 0 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise kernel 6.4.0-150700.5 fixes various security issues The following security issues were fixed: - CVE-2025-23145: mptcp: fix NULL pointer in canacceptnewsubflow bsc1242882. - CVE-2025-38500: xfrm: interface: fix use-after-free after changing collectmd xfrm...

EUVD-2025-198527

Improper input validation in the TLS 1.3 CertificateVerify signature algorithm negotiation in wolfSSL 5.8.2 and earlier on multiple platforms allows for downgrading the signature algorithm used. For example when a client sends ECDSA P521 as the supported signature algorithm the server previously...

DEBIAN-CVE-2025-12889

With TLS 1.2 connections a client can use any digest, specifically a weaker digest that is supported, rather than those in the CertificateRequest...

Linux Distros Unpatched Vulnerability : CVE-2025-12889

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - With TLS 1.2 connections a client can use any digest, specifically a weaker digest that is supported, rather than those in the CertificateRequest. CVE-2025-1288...

CVE-2025-11933

Improper Input Validation in the TLS 1.3 CKS extension parsing in wolfSSL 5.8.2 and earlier on multiple platforms allows a remote unauthenticated attacker to potentially cause a denial-of-service via a crafted ClientHello message with duplicate CKS extensions...

CVE-2025-11931

Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt. This issue is hit specifically with a call to the function wcXChaCha20Poly1305Decrypt which is not used with TLS connections, only from direct calls from an application...

CVE-2025-11936

Improper input validation in the TLS 1.3 KeyShareEntry parsing in wolfSSL v5.8.2 on multiple platforms allows a remote unauthenticated attacker to cause a denial-of-service by sending a crafted ClientHello message containing duplicate KeyShareEntry values for the same supported group, leading to...