CVE-2026-66337 Libsoup: libsoup: heap buffer over-read via integer underflow in soup_filter_input_stream_read_until()

A flaw was found in libsoup. An unsigned integer underflow in the soupfilterinputstreamreaduntil function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client...

CVE-2026-66337

A flaw was found in libsoup. An unsigned integer underflow in the soupfilterinputstreamreaduntil function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client...

GO-2026-5971 GoBGP: Integer underflow in the BGPUpdate.DecodeFromBytes function in github.com/osrg/gobgp

GoBGP: Integer underflow in the BGPUpdate.DecodeFromBytes function in github.com/osrg/gobgp...

AZL-93402 CVE-2026-66033 affecting package libssh2 for versions less than 1.11.1-5

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

AZL-97428 CVE-2026-66033 affecting package rust for versions less than 1.96.1-2

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

ALPINE-CVE-2026-66033

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

CVE-2026-66033

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

CVE-2026-66033 libssh2 Integer Underflow DoS via AES-GCM Cipher Negotiation

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

CVE-2026-66033 libssh2 Integer Underflow DoS via AES-GCM Cipher Negotiation

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read via the ssh2ciphercrypt function during AES-GCM cipher negotiation. An attacker can cause a client process to crash by operating a specially crafted, untrusted SSH server that triggers an integer underflow before...

CVE-2026-45813

Out-of-bounds Write, Integer Underflow Wrap or Wraparound vulnerability in Apache NimBLE BASS service. Improper validation when parsing BASS service "Add Source" and "Modify Source" operation PDU could results in stack buffer overflow or arbitrary out-of-bound read. This can be triggered by nearb...

PT-2026-64281

Name of the Vulnerable Software and Affected Versions Apache NimBLE versions prior to 1.10.0 Description An integer underflow in the Apache NimBLE BASS service occurs due to improper validation when parsing Protocol Data Units PDU for the "Add Source" and "Modify Source" operations. This flaw can...

PT-2026-67248

Name of the Vulnerable Software and Affected Versions FluidSynth versions 2.5.0 through 2.5.5 Description The SF2 parser in this software synthesizer fails to reject chunks smaller than one record when computing the DMOD modulator count. A specially crafted SF2 file with a zero-sized DMOD chunk...

CVE-2026-66337: Out-of-bounds Read

A flaw was found in libsoup. An unsigned integer underflow in the soupfilterinputstreamreaduntil function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client...

CVE-2026-66337: Out-of-bounds Read

A flaw was found in libsoup. An unsigned integer underflow in the soupfilterinputstreamreaduntil function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client...

CVE-2026-66033: Integer Underflow (Wrap or Wraparound)

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

CVE-2026-45813: Out-of-bounds Write

Out-of-bounds Write, Integer Underflow Wrap or Wraparound vulnerability in Apache NimBLE BASS service. Improper validation when parsing BASS service "Add Source" and "Modify Source" operation PDU could results in stack buffer overflow or arbitrary out-of-bound read. This can be triggered by nearb...

USN-8585-1 krb5 vulnerabilities

It was discovered that Kerberos had an integer underflow vulnerability in the berval2tldata function. An attacker could possibly use this issue to cause Kerberos to crash, resulting in a denial of service. CVE-2026-11850 It was discovered that Kerberos had vulnerabilities in its NegoEx mechanism...

RLSA-2026:42063 Important: glib2 security update

GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures. Security Fixes: glib: integer underflow in...

glib2 security update

An update is available for glib2. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list GLib provides the core application building blocks for libraries and...