CVE-2019-25634

Base64 Decoder 1.1.2 contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by triggering a structured exception handler SEH overwrite. Attackers can craft a malicious input file that overflows a buffer, overwrites the SEH chain with a POP-POP-R...

CVE-2019-25634

The vulnerability CVE-2019-25634 affects Base64 Decoder 1.1.2. It is a stack-based buffer overflow in the decoder that enables local code execution when an SEH chain is overwritten via crafted input. An egghunter payload can locate and execute shellcode after overflowing a buffer and placing a PO...

Moderate: Red Hat Security Advisory: gnutls security update

An update for gnutls is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

CVE-2026-4735 A stack overflow and DoS vulnerability in DTStack/chunjun

Deserialization of Untrusted Data vulnerability in DTStack chunjun ‎chunjun-core/src/main/java/com/dtstack/chunjun/util modules. This vulnerability is associated with program files GsonUtil.Java. This issue affects chunjun: before 1.16.1...

CVE-2026-33307 mod_gnutils has stack-based buffer overflow caused by a long client certificate chain

Modgnutls is a TLS module for Apache HTTPD based on GnuTLS. In versions prior to 0.12.3 and 0.13.0, code for client certificate verification imported the certificate chain sent by the client into a fixed size gnutlsx509crtt x509 array without checking the number of certificates is less than or...

CVE-2026-33307

Mod_gnutls (Apache HTTPD TLS module) is affected by CVE-2026-33307 in versions prior to 0.12.3 and 0.13.0. The vulnerability arises from importing the client certificate chain into a fixed-size gnutls_x509_crt_t x509[] array without validating the number of certificates against the array length, ...

UBUNTU-CVE-2026-33250

Freeciv21 is a free open source, turn-based, empire-building strategy game. Versions prior to 3.1.1 crash with a stack overflow when receiving specially-crafted packets. A remote attacker can use this to take down any public server. A malicious server can use this to crash the game on the player'...

CVE-2026-33250

Freeciv21 is a free open source, turn-based, empire-building strategy game. Versions prior to 3.1.1 crash with a stack overflow when receiving specially-crafted packets. A remote attacker can use this to take down any public server. A malicious server can use this to crash the game on the player'...

PT-2026-27578

Name of the Vulnerable Software and Affected Versions iOS versions prior to 18.7.7 iPadOS versions prior to 18.7.7 iOS versions prior to 26.4 iPadOS versions prior to 26.4 macOS Sequoia versions prior to 15.7.5 macOS Tahoe versions prior to 26.4 tvOS versions prior to 26.4 visionOS versions prior...

Moderate: gnutls security update

The gnutls packages provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Security Fixes: gnutls: Stack-based Buffer Overflow in gnutlspkcs11tokeninit Function CVE-2025-9820 gnutls: GnuTLS: Denial of Service vi...

ALSA-2026:5585 Moderate: gnutls security update

The gnutls packages provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Security Fixes: gnutls: Stack-based Buffer Overflow in gnutlspkcs11tokeninit Function CVE-2025-9820 gnutls: GnuTLS: Denial of Service vi...

Base64 Decoder buffer error vulnerability

Base64 Decoder is a 4Mhz open-source base64 decoder. Version 1.1.2 of Base64 Decoder contains a buffer error vulnerability. This vulnerability stems from a stack-based buffer overflow, which may allow local attackers to override the exception handling program and execute arbitrary code...

PT-2026-27368

Name of the Vulnerable Software and Affected Versions Base64 Decoder version 1.1.2 Description A stack-based buffer overflow allows local attackers to execute arbitrary code by triggering a structured exception handler SEH overwrite. SEH is a mechanism for handling hardware and software exception...

CVE-2026-33250: Improper Input Validation

Freeciv21 is a free open source, turn-based, empire-building strategy game. Versions prior to 3.1.1 crash with a stack overflow when receiving specially-crafted packets. A remote attacker can use this to take down any public server. A malicious server can use this to crash the game on the player'...

Freeciv21 security vulnerabilities

Freeciv21 is a turn-based civilization-building strategy game developed by Longturn. Versions of Freeciv21 prior to 3.1.1 contained security vulnerabilities. These vulnerabilities stemmed from stack overflows when processing specially crafted data packets, which could allow remote attackers to...

CVE-2026-33250

Freeciv21 is a free open source, turn-based, empire-building strategy game. Versions prior to 3.1.1 crash with a stack overflow when receiving specially-crafted packets. A remote attacker can use this to take down any public server. A malicious server can use this to crash the game on the player'...

CVE-2026-33250

Freeciv21 is a free open source, turn-based, empire-building strategy game. Versions prior to 3.1.1 crash with a stack overflow when receiving specially-crafted packets. A remote attacker can use this to take down any public server. A malicious server can use this to crash the game on the player'...

CVE-2026-33250 Crash when receiving specially-crafted packets

Freeciv21 is a free open source, turn-based, empire-building strategy game. Versions prior to 3.1.1 crash with a stack overflow when receiving specially-crafted packets. A remote attacker can use this to take down any public server. A malicious server can use this to crash the game on the player'...

CLSA-2026-1774269500 icu: Fix of CVE-2025-5222

CVE-2025-5222: Fix stack buffer overflow in addTag handling that allowed subtag struct overflow leading to memory corruption and local arbitrary code execution...

CLSA-2026-1774273758 icu: Fix of CVE-2025-5222

CVE-2025-5222: Fix stack buffer overflow in addTag handling that allowed subtag struct overflow leading to memory corruption and local arbitrary code execution...