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CVE-2026-59886

Опубликовано: 17 июл. 2026
Источник: msrc
CVSS3: 7.5
EPSS Низкий

Описание

pyasn1: Uncontrolled resource consumption when converting decoded REAL values

EPSS

Процентиль: 39%
0.0044
Низкий

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 7.5
ubuntu
4 месяца назад

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the univ.Real type converted its mantissa, base, and exponent value to a Python float using exact big-integer exponentiation. A BER, CER, or DER encoded REAL value only a few bytes long can carry a very large exponent, causing float conversion through prettyPrint(), str(), comparison, arithmetic, int(), or an explicit float() call to consume excessive CPU and memory and hang applications that decode untrusted ASN.1 data and then print, log, or compare decoded objects. This issue is fixed in version 0.6.4.

CVSS3: 7.5
redhat
4 месяца назад

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the univ.Real type converted its mantissa, base, and exponent value to a Python float using exact big-integer exponentiation. A BER, CER, or DER encoded REAL value only a few bytes long can carry a very large exponent, causing float conversion through prettyPrint(), str(), comparison, arithmetic, int(), or an explicit float() call to consume excessive CPU and memory and hang applications that decode untrusted ASN.1 data and then print, log, or compare decoded objects. This issue is fixed in version 0.6.4.

CVSS3: 7.5
nvd
4 месяца назад

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the univ.Real type converted its mantissa, base, and exponent value to a Python float using exact big-integer exponentiation. A BER, CER, or DER encoded REAL value only a few bytes long can carry a very large exponent, causing float conversion through prettyPrint(), str(), comparison, arithmetic, int(), or an explicit float() call to consume excessive CPU and memory and hang applications that decode untrusted ASN.1 data and then print, log, or compare decoded objects. This issue is fixed in version 0.6.4.

CVSS3: 7.5
debian
4 месяца назад

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the univ ...

CVSS3: 7.5
redos
2 месяца назад

Уязвимость python-pyasn1

EPSS

Процентиль: 39%
0.0044
Низкий

7.5 High

CVSS3