CVE-2019-15892
An issue was discovered in Varnish Cache before 6.0.4 LTS, and 6.1.x and 6.2.x before 6.2.1. An HTTP/1 parsing failure allows a remote attacker to trigger an assert by sending crafted HTTP/1 requests.
02 Description
An issue was discovered in Varnish Cache before 6.0.4 LTS, and 6.1.x and 6.2.x before 6.2.1. An HTTP/1 parsing failure allows a remote attacker to trigger an assert by sending crafted HTTP/1 requests.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 5.90% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 93.0% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-09-03 20:56Z7 YR AGO
- Last updated
- 2024-08-05 01:03Z2 YR AGO
- Reserved
- 2019-09-03
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 07020c88c7d1c07d73aa3164211850012bdd34cd8e4ea9f754a9c23a0f6f8355
05 Affected products
06 References
- varnish-cache.orghttps://varnish-cache.org/security/VSV00003.html
- seclists.org20190904 [SECURITY] [DSA 4514-1] varnish security updatehttps://seclists.org/bugtraq/2019/Sep/5
- www.debian.orgDSA-4514https://www.debian.org/security/2019/dsa-4514
- lists.opensuse.orgopenSUSE-SU-2019:2184http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00069.html
- lists.fedoraproject.orgFEDORA-2019-8a85a90af6https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLSF54TDJWJLINIFEW5V5BKDNY5EQRR3/
- lists.opensuse.orgopenSUSE-SU-2019:2221http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00089.html
- lists.fedoraproject.orgFEDORA-2019-a0a0cdef92https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3OEOCYRU43TWEU2C65F3D6GK64MSWNNK/
- lists.fedoraproject.orgFEDORA-2019-feec5e0afdhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DBAQF6UDRSTURGINIMSMLJR4PTDYWA7C/
07 Fixed in
Debian 12
- varnish Fixed in 6.2.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- varnish Fixed in 6.2.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.