CVE-2018-1000654
highpriority · track · 23EPSS 0.020 · 80 %ileEURUUSEPSS · scored 2026-10-27
GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.1–7.1
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (25)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (26)
External citations — patches, advisories, analysis.
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00009.htmlcnnvd
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.htmlcnnvd
- http://www.securityfocus.com/bid/105151cnnvd
- https://gitlab.com/gnutls/libtasn1/issues/4cnnvd
- https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772@%3Cdev.mina.apache.org%3Ecnnvd
- https://packetstormsecurity.com/files/166515/Ubuntu-Security-Notice-USN-5352-1.htmlcnnvd
- https://vigilance.fr/vulnerability/libtasn1-denial-of-service-29431cnnvd
- https://www.auscert.org.au/bulletins/ESB-2019.1913.2/cnnvd
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