PT-2026-43252

Name of the Vulnerable Software and Affected Versions libyang versions prior to 5.2.6 Description A heap use-after-free write occurs in the lyd parser set data flags function. This happens when the software incorrectly updates metadata list pointers while freeing non-head default metadata entries...

CVE-2026-44673 affecting package libyang for versions less than 2.1.148-2

CVE-2026-44673 affecting package libyang for versions less than 2.1.148-2. A patched version of the package is available...

libyang: lyb_read_string() integer overflow → heap buffer overflow

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SUSE CVE-2026-44673

libyang is a YANG data modeling language library. Prior to SO 5.2.15, lybreadstring in src/parserlyb.c contains an integer overflow that results in a heap buffer overflow when parsing a maliciously crafted LYB binary blob. An attacker who can supply LYB data to any libyang consumer NETCONF server...

CVE-2026-44673

A flaw was found in libyang, a YANG data modeling language library. An integer overflow in the lybreadstring function can lead to a heap buffer overflow when parsing a maliciously crafted LYB binary blob. A remote attacker, by supplying this malicious LYB data to any libyang consumer such as a...

Linux Distros Unpatched Vulnerability : CVE-2026-44673

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libyang is a YANG data modeling language library. Prior to SO 5.2.15, lybreadstring in src/parserlyb.c contains an integer overflow that results in a heap buffe...

DEBIAN-CVE-2026-44673

libyang is a YANG data modeling language library. Prior to SO 5.2.15, lybreadstring in src/parserlyb.c contains an integer overflow that results in a heap buffer overflow when parsing a maliciously crafted LYB binary blob. An attacker who can supply LYB data to any libyang consumer NETCONF server...

CVE-2026-44673

libyang is a YANG data modeling language library. Prior to SO 5.2.15, lybreadstring in src/parserlyb.c contains an integer overflow that results in a heap buffer overflow when parsing a maliciously crafted LYB binary blob. An attacker who can supply LYB data to any libyang consumer NETCONF server...

CVE-2026-44673

libyang is a YANG data modeling language library. Prior to SO 5.2.15, lybreadstring in src/parserlyb.c contains an integer overflow that results in a heap buffer overflow when parsing a maliciously crafted LYB binary blob. An attacker who can supply LYB data to any libyang consumer NETCONF server...

UBUNTU-CVE-2026-44673

libyang is a YANG data modeling language library. Prior to SO 5.2.15, lybreadstring in src/parserlyb.c contains an integer overflow that results in a heap buffer overflow when parsing a maliciously crafted LYB binary blob. An attacker who can supply LYB data to any libyang consumer NETCONF server...

CVE-2026-44673

libyang is a YANG data modeling language library. Prior to SO 5.2.15, lybreadstring in src/parserlyb.c contains an integer overflow that results in a heap buffer overflow when parsing a maliciously crafted LYB binary blob. An attacker who can supply LYB data to any libyang consumer NETCONF server...

CVE-2026-44673

CVE-2026-44673 affects libyang. The issue is an integer overflow in lyb_read_string() in src/parser_lyb.c, leading to a heap buffer overflow when parsing malicious LYB binary blobs. Affected path includes any libyang consumer that processes LYB data (e.g., NETCONF servers, sysrepo). Impact is cra...

CVE-2026-44673 libyang: lyb_read_string() integer overflow → heap buffer overflow

libyang is a YANG data modeling language library. Prior to SO 5.2.15, lybreadstring in src/parserlyb.c contains an integer overflow that results in a heap buffer overflow when parsing a maliciously crafted LYB binary blob. An attacker who can supply LYB data to any libyang consumer NETCONF server...

EUVD-2026-30484

libyang is a YANG data modeling language library. Prior to SO 5.2.15, lybreadstring in src/parserlyb.c contains an integer overflow that results in a heap buffer overflow when parsing a maliciously crafted LYB binary blob. An attacker who can supply LYB data to any libyang consumer NETCONF server...

CVE-2026-44673

libyang is a YANG data modeling language library. Prior to SO 5.2.15, lybreadstring in src/parserlyb.c contains an integer overflow that results in a heap buffer overflow when parsing a maliciously crafted LYB binary blob. An attacker who can supply LYB data to any libyang consumer NETCONF server...

CVE-2026-44673 libyang: lyb_read_string() integer overflow → heap buffer overflow

libyang is a YANG data modeling language library. Prior to SO 5.2.15, lybreadstring in src/parserlyb.c contains an integer overflow that results in a heap buffer overflow when parsing a maliciously crafted LYB binary blob. An attacker who can supply LYB data to any libyang consumer NETCONF server...

PT-2026-41121

Name of the Vulnerable Software and Affected Versions libyang versions prior to 5.2.15 Description The lyb read string function in src/parser lyb.c contains an integer overflow. This occurs when parsing a maliciously crafted LYB binary blob, leading to a heap buffer overflow. An attacker capable ...

SUSE CVE-2019-20396

A segmentation fault is present in yyparse in libyang before v1.0-r1 due to a malformed pattern statement value during lysparsepath parsing...

ANT-2026-TZQ1KH7E · libyang · Use-After-Free

use-after-free medium GHSA-9f49-8x56-jmjc Severity Claude medium · Security research firm medium · Maintainer unknown Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-TZQ1KH7E: Heap...

EUVD-2021-15557

Malware in sbrugna...