Search for vulnerabilities
Vulnerability details: VCID-2mez-px2g-vufk
Vulnerability ID VCID-2mez-px2g-vufk
Aliases CVE-2019-6256
Summary A Denial of Service issue was discovered in the LIVE555 Streaming Media libraries as used in Live555 Media Server 0.93. It can cause an RTSPServer crash in handleHTTPCmd_TunnelingPOST, when RTSP-over-HTTP tunneling is supported, via x-sessioncookie HTTP headers in a GET request and a POST request within the same TCP session. This occurs because of a call to an incorrect virtual function pointer in the readSocket function in GroupsockHelper.cpp.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-755 Improper Handling of Exceptional Conditions
System Score Found at
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2019-6256
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-6256
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2019-6256
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2019-6256
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6256
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7314
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9215
https://github.com/rgaufman/live555/issues/19
https://lists.debian.org/debian-lts-announce/2019/02/msg00037.html
https://seclists.org/bugtraq/2019/Mar/22
https://security.gentoo.org/glsa/202005-06
https://www.debian.org/security/2019/dsa-4408
cpe:2.3:a:live555:live555_media_server:0.93:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:live555:live555_media_server:0.93:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2019-6256 https://nvd.nist.gov/vuln/detail/CVE-2019-6256
USN-USN-4853-1 https://usn.ubuntu.com/USN-4853-1/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-6256
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-6256
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.68164
EPSS Score 0.00588
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:36:17.708663+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/USN-4853-1/ 37.0.0