Asn1c Project

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    Vulnerabilities

    CVE-2025-55398

    An issue was discovered in mouse07410 asn1c thru 0.9.29 (2025-03-20) - a fork of vlm asn1c. In UPER (Unaligned Packed Encoding Rules), asn1c-generated decoders fail to enforce INTEGER constraints when the bound is positive and exceeds 32 bits in length, potentially allowing incorrect or malicious input to be processed.

    Last Modified: Apr 15, 2026
    Published: Aug 22, 2025

    CVE-2020-23910

    Stack-based buffer overflow vulnerability in asn1c through v0.9.28 via function genhash_get in genhash.c.

    Last Modified: Nov 21, 2024
    Published: Jul 18, 2023

    CVE-2020-23911

    An issue was discovered in asn1c through v0.9.28. A NULL pointer dereference exists in the function _default_error_logger() located in asn1fix.c. It allows an attacker to cause Denial of Service.

    Last Modified: Nov 21, 2024
    Published: Jul 18, 2023

    CVE-2017-12966

    The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28 allows remote attackers to cause a denial of service (segmentation fault) via a crafted .asn1 file.

    Last Modified: Apr 20, 2025
    Published: Aug 20, 2017
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