UCL Libucl Heap Buffer Overflow DoS

The vulnerability of the uclparsemultilinestring function in the src/uclparser.c file of the UCL Libucl library is related to the occurrence of operations that go beyond the buffer boundaries in memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

Malicious code in libucl (npm)

The package libucl was found to contain malicious code. --- Credit: OpenSSF source...

ROS-20260813-73-0049

The vulnerability in libucl is related to the execution of an operation outside the buffer in memory. This vulnerability can be exploited remotely...

libucl:ucl_add_string_fuzzer: Heap-buffer-overflow in ucl_hash_destroy

Detailed Report: https://oss-fuzz.com/testcase?key=5147287920377856 Project: libucl Fuzzing Engine: libFuzzer Fuzz Target: ucladdstringfuzzer Job Type: libfuzzerasanlibucl Platform Id: linux Crash Type: Heap-buffer-overflow READ 8 Crash Address: 0x772e433f5940 Crash State: uclhashdestroy...

libucl:ucl_add_string_fuzzer: Heap-buffer-overflow in ucl_hash_insert

Detailed Report: https://oss-fuzz.com/testcase?key=4504932836507648 Project: libucl Fuzzing Engine: libFuzzer Fuzz Target: ucladdstringfuzzer Job Type: libfuzzerasanlibucl Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x76892804ab80 Crash State: uclhashinsert...

CVE-2026-0708

A flaw was found in libucl. A remote attacker could exploit this by providing a specially crafted Universal Configuration Language UCL input that contains a key with an embedded null byte. This can cause a segmentation fault SEGV fault in the uclobjectemit function when parsing and emitting the...

CVE-2026-0708

CVE-2026-0708 (Libucl) describes a denial-of-service in libucl caused by a crafted UCL input containing a key with an embedded null byte. This can trigger a segmentation fault in ucl_object_emit during parsing/emitting, leading to DoS on affected systems. The CVSS base score is 8.3 ( HIGH ) with ...

CVE-2026-0708

A flaw was found in libucl. A remote attacker could exploit this by providing a specially crafted Universal Configuration Language UCL input that contains a key with an embedded null byte. This can cause a segmentation fault SEGV fault in the uclobjectemit function when parsing and emitting the...

CVE-2026-0708 Libucl: libucl: denial of service via embedded null byte in ucl input

A flaw was found in libucl. A remote attacker could exploit this by providing a specially crafted Universal Configuration Language UCL input that contains a key with an embedded null byte. This can cause a segmentation fault SEGV fault in the uclobjectemit function when parsing and emitting the...

CVE-2026-0708

A flaw was found in libucl. A remote attacker could exploit this by providing a specially crafted Universal Configuration Language UCL input that contains a key with an embedded null byte. This can cause a segmentation fault SEGV fault in the "uclobjectemit" function when parsing and emitting the...

CVE-2026-0708 Libucl: libucl: denial of service via embedded null byte in ucl input

A flaw was found in libucl. A remote attacker could exploit this by providing a specially crafted Universal Configuration Language UCL input that contains a key with an embedded null byte. This can cause a segmentation fault SEGV fault in the uclobjectemit function when parsing and emitting the...

libucl security vulnerabilities

Libucl is a C-language general configuration library parser developed by Vsevolod Stakhov. Libucl has a security vulnerability. This vulnerability arises from the uclobjectemit function during parsing and emitting UCL inputs containing embedded null-byte keys, which may lead to a denial-of-servic...

CVE-2026-0708: Out-of-bounds Read

A flaw was found in libucl. A remote attacker could exploit this by providing a specially crafted Universal Configuration Language UCL input that contains a key with an embedded null byte. This can cause a segmentation fault SEGV fault in the uclobjectemit function when parsing and emitting the...

libucl:ucl_add_string_fuzzer: Heap-use-after-free in kh_put_ucl_hash_node

Project: https://github.com/vstakhov/libucl.git Detailed Report: https://oss-fuzz.com/testcase?key=4666342319128576 Project: libucl Fuzzing Engine: libFuzzer Fuzz Target: ucladdstringfuzzer Job Type: libfuzzerasanlibucl Platform Id: linux Crash Type: Heap-use-after-free READ 4 Crash Address:...

EUVD-2025-31332

Malicious code in bioql PyPI...

EUVD-2025-28741

Malicious code in bioql PyPI...

CVE-2025-11010

A flaw was found in the libucl library. A heap-based buffer over-read can be triggered when a specially crafted configuration file is processed, causing a crash to the application linked to the library and resulting in a denial of service...

CVE-2025-11010

A vulnerability has been found in vstakhov libucl up to 0.9.2. Affected by this vulnerability is the function uclincludecommon of the file /src/uclutil.c. Such manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the...

CVE-2025-11010 vstakhov libucl ucl_util.c ucl_include_common heap-based overflow

A vulnerability has been found in vstakhov libucl up to 0.9.2. Affected by this vulnerability is the function uclincludecommon of the file /src/uclutil.c. Such manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the...

CVE-2025-11010 vstakhov libucl ucl_util.c ucl_include_common heap-based overflow

A vulnerability has been found in vstakhov libucl up to 0.9.2. Affected by this vulnerability is the function uclincludecommon of the file /src/uclutil.c. Such manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the...