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CVE-2025-32990

Gnutls: vulnerability in gnutls certtool template parsing

A heap-buffer-overflow (off-by-one) flaw was found in the GnuTLS software in the template parsing logic within the certtool utility. When it reads certain settings from a template file, it allows an attacker to cause an out-of-bounds (OOB) NULL pointer write, resulting in memory corruption and a denial-of-service (DoS) that could potentially crash the system.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Gnu Redhat
Products
Gnutls Ceph Storage Discovery and 8 more
CVE-2025-32989

Gnutls: vulnerability in gnutls sct extension parsing

A heap-buffer-overread vulnerability was found in GnuTLS in how it handles the Certificate Transparency (CT) Signed Certificate Timestamp (SCT) extension during X.509 certificate parsing. This flaw allows a malicious user to create a certificate containing a malformed SCT extension (OID 1.3.6.1.4.1.11129.2.4.2) that contains sensitive data. This issue leads to the exposure of confidential information when GnuTLS verifies certificates from certain websites when the certificate (SCT) is not checked correctly.

CVSS 3.1 · 5.3 Medium EPSS 1.5% KEV · Not listed
Vendors
Gnu Redhat
Products
Gnutls Ceph Storage Discovery and 8 more
CVE-2025-32988

Gnutls: vulnerability in gnutls othername san export

A flaw was found in GnuTLS. A double-free vulnerability exists in GnuTLS due to incorrect ownership handling in the export logic of Subject Alternative Name (SAN) entries containing an otherName. If the type-id OID is invalid or malformed, GnuTLS will call asn1_delete_structure() on an ASN.1 node it does not own, leading to a double-free condition when the parent function or caller later attempts to free the same structure. This vulnerability can be triggered using only public GnuTLS APIs and may result in denial of service or memory corruption, depending on allocator behavior.

CVSS 3.1 · 6.5 Medium EPSS 1.5% KEV · Not listed
Vendors
Gnu Redhat
Products
Gnutls Ceph Storage Discovery and 8 more
CVE-2025-3576

Krb5: kerberos rc4-hmac-md5 checksum vulnerability enabling message spoofing via md5 collisions

A vulnerability in the MIT Kerberos implementation allows GSSAPI-protected messages using RC4-HMAC-MD5 to be spoofed due to weaknesses in the MD5 checksum design. If RC4 is preferred over stronger encryption types, an attacker could exploit MD5 collisions to forge message integrity codes. This may lead to unauthorized message tampering.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Discovery Enterprise Linux Openshift and 6 more
CVE-2025-14831

Gnutls: gnutls: denial of service via excessive resource consumption during certificate verification

A flaw was found in GnuTLS. This vulnerability allows a denial of service (DoS) by excessive CPU (Central Processing Unit) and memory consumption via specially crafted malicious certificates containing a large number of name constraints and subject alternative names (SANs).

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Red Hat Redhat
Products
Enterprise Linux Ai Inference Server Ceph Storage and 16 more
CVE-2025-14512

Glib: integer overflow in glib gio attribute escaping causes heap buffer overflow

A flaw was found in glib. This vulnerability allows a heap buffer overflow and denial-of-service (DoS) via an integer overflow in GLib's GIO (GLib Input/Output) escape_byte_string() function when processing malicious file or remote filesystem attribute values.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Gnome Redhat
Products
Glib Ai Inference Server Cert Manager and 14 more
CVE-2025-13601

Glib: integer overflow in in g_escape_uri_string()

A heap-based buffer overflow problem was found in glib through an incorrect calculation of buffer size in the g_escape_uri_string() function. If the string to escape contains a very large number of unacceptable characters (which would need escaping), the calculation of the length of the escaped string could overflow, leading to a potential write off the end of the newly allocated string.

CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
Vendors
Gnome Redhat
Products
Glib Ceph Storage Codeready Linux Builder and 38 more
CVE-2024-12243

Gnutls: gnutls impacted by inefficient der decoding in libtasn1 leading to remote dos

A flaw was found in GnuTLS, which relies on libtasn1 for ASN.1 data processing. Due to an inefficient algorithm in libtasn1, decoding certain DER-encoded certificate data can take excessive time, leading to increased resource consumption. This flaw allows a remote attacker to send a specially crafted certificate, causing GnuTLS to become unresponsive or slow, resulting in a denial-of-service condition.

CVSS 3.1 · 5.3 Medium EPSS 1.3% KEV · Not listed
Vendors
Redhat
Products
Discovery Enterprise Linux Openshift and 3 more
CVE-2024-12088

Rsync: --safe-links option bypass leads to path traversal

A flaw was found in rsync. When using the `--safe-links` option, the rsync client fails to properly verify if a symbolic link destination sent from the server contains another symbolic link within it. This results in a path traversal vulnerability, which may lead to arbitrary file write outside the desired directory.

CVSS 3.1 · 6.5 Medium EPSS 4.6% KEV · Not listed
Vendors
Almalinux Archlinux Gentoo and 5 more
Products
Almalinux Arch Linux Linux and 19 more
CVE-2024-12086

Rsync: rsync server leaks arbitrary client files

A flaw was found in rsync. It could allow a server to enumerate the contents of an arbitrary file from the client's machine. This issue occurs when files are being copied from a client to a server. During this process, the rsync server will send checksums of local data to the client to compare with in order to determine what data needs to be sent to the server. By sending specially constructed checksum values for arbitrary files, an attacker may be able to reconstruct the data of those files byte-by-byte based on the responses from the client.

CVSS 3.1 · 6.1 Medium EPSS 1.8% KEV · Not listed
Vendors
Almalinux Archlinux Gentoo and 5 more
Products
Almalinux Arch Linux Linux and 10 more
CVE-2024-12747

Rsync: race condition in rsync handling symbolic links

A flaw was found in rsync. This vulnerability arises from a race condition during rsync's handling of symbolic links. Rsync's default behavior when encountering symbolic links is to skip them. If an attacker replaced a regular file with a symbolic link at the right time, it was possible to bypass the default behavior and traverse symbolic links. Depending on the privileges of the rsync process, an attacker could leak sensitive information, potentially leading to privilege escalation.

CVSS 3.1 · 5.6 Medium EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Discovery Enterprise Linux Openshift and 1 more
CVE-2024-12133

Libtasn1: inefficient der decoding in libtasn1 leading to potential remote dos

A flaw in libtasn1 causes inefficient handling of specific certificate data. When processing a large number of elements in a certificate, libtasn1 takes much longer than expected, which can slow down or even crash the system. This flaw allows an attacker to send a specially crafted certificate, causing a denial of service attack.

CVSS 3.1 · 5.3 Medium EPSS 1.1% KEV · Not listed
Vendors
Redhat
Products
Discovery Enterprise Linux Openshift and 6 more
CVE-2024-11831

Npm-serialize-javascript: cross-site scripting (xss) in serialize-javascript

A flaw was found in npm-serialize-javascript. The vulnerability occurs because the serialize-javascript module does not properly sanitize certain inputs, such as regex or other JavaScript object types, allowing an attacker to inject malicious code. This code could be executed when deserialized by a web browser, causing Cross-site scripting (XSS) attacks. This issue is critical in environments where serialized data is sent to web clients, potentially compromising the security of the website or web application using this package.

CVSS 3.1 · 5.4 Medium EPSS 1.1% KEV · Not listed
Vendors
Redhat
Products
3scale Acm Advanced Cluster Security and 31 more
CVE-2026-89091

Ansible-core: ansible-core: ansible-galaxy collection install symlink path escape allows arbitrary file write / code execution

A flaw was found in ansible-core. When installing a collection with `ansible-galaxy collection install`, the archive extractor validates member paths using lexical path normalisation (os.path.abspath) instead of resolving symbolic links (os.path.realpath), and it performs no containment check on symlink-typed directory members before creating them. A crafted collection tarball can chain symlink directory entries so that a subsequent file member is written outside the intended destination directory. This allows an attacker who can get a victim to install a malicious collection to overwrite arbitrary files with the privileges of the user running ansible-galaxy, leading to code execution on the control node. This is a bypass of the fix for CVE-2020-10691.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Acm Ansible Automation Platform Ansible Core and 11 more
CVE-2026-4111

Libarchive: infinite loop denial of service in rar5 decompression via archive_read_data() in libarchive

A flaw was identified in the RAR5 archive decompression logic of the libarchive library, specifically within the archive_read_data() processing path. When a specially crafted RAR5 archive is processed, the decompression routine may enter a state where internal logic prevents forward progress. This condition results in an infinite loop that continuously consumes CPU resources. Because the archive passes checksum validation and appears structurally valid, affected applications cannot detect the issue before processing. This can allow attackers to cause persistent denial-of-service conditions in services that automatically process archives.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Redhat
Products
Ai Inference Server Cert Manager Discovery and 10 more
CVE-2026-4878

Libcap: libcap: privilege escalation via toctou race condition in cap_set_file()

A flaw was found in libcap. A local unprivileged user can exploit a Time-of-check-to-time-of-use (TOCTOU) race condition in the `cap_set_file()` function. This allows an attacker with write access to a parent directory to redirect file capability updates to an attacker-controlled file. By doing so, capabilities can be injected into or stripped from unintended executables, leading to privilege escalation.

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Vendors
Libcap Project Redhat
Products
Libcap Ai Inference Server Cert Manager and 18 more
CVE-2026-4424

Libarchive: libarchive: information disclosure via heap out-of-bounds read in rar archive processing

A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this by providing a specially crafted RAR archive, leading to the disclosure of sensitive heap memory information without requiring authentication or user interaction.

CVSS 3.1 · 7.5 High EPSS 1.3% KEV · Not listed
Vendors
Libarchive Redhat
Products
Libarchive Ai Inference Server Cert Manager and 19 more
CVE-2026-42010

Gnutls: gnutls: authentication bypass via nul character in username

A flaw was found in gnutls. Servers configured with RSA-PSK (Rivest–Shamir–Adleman – Pre-Shared Key) wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authentication bypass. This vulnerability allows an attacker to gain unauthorized access by circumventing the authentication process.

CVSS 3.1 · 7.1 High EPSS 1.1% KEV · Not listed
Vendors
Gnu Redhat
Products
Gnutls Ai Inference Server Cert Manager and 15 more
CVE-2026-42009

Gnutls: gnutls: denial of service via dtls packet reordering vulnerability

A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security (DTLS) packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not correctly handle packets with duplicate sequence numbers. This could lead to unstable packet ordering or undefined behavior, resulting in a denial of service.

CVSS 3.1 · 7.5 High EPSS 1.3% KEV · Not listed
Vendors
Gnu Redhat
Products
Gnutls Ai Inference Server Cert Manager and 25 more
CVE-2026-33846

Gnutls: gnutls: denial of service via heap buffer overflow in dtls handshake fragment reassembly

A heap buffer overflow vulnerability exists in the DTLS handshake fragment reassembly logic of GnuTLS. The issue arises in merge_handshake_packet() where incoming handshake fragments are matched and merged based solely on handshake type, without validating that the message_length field remains consistent across all fragments of the same logical message. An attacker can exploit this by sending crafted DTLS fragments with conflicting message_length values, causing the implementation to allocate a buffer based on a smaller initial fragment and subsequently write beyond its bounds using larger, inconsistent fragments. Because the merge operation does not enforce proper bounds checking against the allocated buffer size, this results in an out-of-bounds write on the heap. The vulnerability is remotely exploitable without authentication via the DTLS handshake path and can lead to application crashes or potential memory corruption.

CVSS 3.1 · 7.5 High EPSS 1.3% KEV · Not listed
Vendors
Gnu Redhat
Products
Gnutls Ai Inference Server Cert Manager and 15 more