Yaml
Monthly
Buffer underflow in YAML::Syck for Perl versions before 1.38 allows remote unauthenticated attackers to trigger out-of-bounds memory reads when parsing specially crafted base60 (sexagesimal) YAML values. The vulnerability affects both integer and floating-point base60 handlers in perl_syck.h, where processing leftmost colon-separated segments causes a pointer to decrement past allocated buffer boundaries. EPSS exploitation probability is minimal (0.01%, 3rd percentile) with no active exploitation or public weaponized exploit identified. Vendor-released patch available in version 1.38, confirmed by CPANSec and upstream commit.
A critical heap buffer overflow vulnerability exists in YAML::Syck through version 1.36 for Perl, allowing remote attackers to potentially execute arbitrary code or cause denial of service without authentication. The vulnerability stems from multiple memory corruption issues including heap overflow when processing YAML class names exceeding 512 bytes, buffer overread in base64 decoding, and memory leaks. With a CVSS score of 9.1 and network-based attack vector requiring no user interaction, this presents a severe risk to applications parsing untrusted YAML input.
Uncaught Exception in GitHub repository eemeli/yaml prior to 2.0.0-5. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
Parsing malicious or large YAML documents can consume excessive amounts of CPU or memory. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.
An issue in the Unmarshal function in Go-Yaml v3 causes the program to crash when attempting to deserialize invalid input. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Multiple format string vulnerabilities in the error reporting functionality in the YAML::LibYAML (aka YAML-LibYAML and perl-YAML-LibYAML) module 0.38 for Perl allow remote attackers to cause a denial. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Buffer underflow in YAML::Syck for Perl versions before 1.38 allows remote unauthenticated attackers to trigger out-of-bounds memory reads when parsing specially crafted base60 (sexagesimal) YAML values. The vulnerability affects both integer and floating-point base60 handlers in perl_syck.h, where processing leftmost colon-separated segments causes a pointer to decrement past allocated buffer boundaries. EPSS exploitation probability is minimal (0.01%, 3rd percentile) with no active exploitation or public weaponized exploit identified. Vendor-released patch available in version 1.38, confirmed by CPANSec and upstream commit.
A critical heap buffer overflow vulnerability exists in YAML::Syck through version 1.36 for Perl, allowing remote attackers to potentially execute arbitrary code or cause denial of service without authentication. The vulnerability stems from multiple memory corruption issues including heap overflow when processing YAML class names exceeding 512 bytes, buffer overread in base64 decoding, and memory leaks. With a CVSS score of 9.1 and network-based attack vector requiring no user interaction, this presents a severe risk to applications parsing untrusted YAML input.
Uncaught Exception in GitHub repository eemeli/yaml prior to 2.0.0-5. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
Parsing malicious or large YAML documents can consume excessive amounts of CPU or memory. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.
An issue in the Unmarshal function in Go-Yaml v3 causes the program to crash when attempting to deserialize invalid input. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Multiple format string vulnerabilities in the error reporting functionality in the YAML::LibYAML (aka YAML-LibYAML and perl-YAML-LibYAML) module 0.38 for Perl allow remote attackers to cause a denial. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.