CVE-2013-6933

The parseRTSPRequestString function in Live Networks Live555 Streaming Media 2011.08.13 through 2013.11.25, as used in VideoLAN VLC Media Player, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a (1) space or (2) tab character at the beginning of an RTSP message, which triggers an integer underflow, infinite loop, and buffer overflow.

Published: 2014-01-23 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-6933 is rated High Risk (68.9/100): CVSS High severity, with high exploitation likelihood (EPSS 17.41%, 97th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +14.06% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-6933

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 3.36% 17.41% +14.06%
2 2025-03-30 3.98% 3.36% -0.63%
3 2025-03-29 — 3.98% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-6933

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2013-6933

OS Trackers for CVE-2013-6933

vendor priority summary link
debian low CVE-2013-6933 low priority: Debian including 2 source packages (mplayer, vlc), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. https://security-tracker.debian.org/tracker/CVE-2013-6933
ubuntu medium CVE-2013-6933 medium priority: Ubuntu including 1 source packages (liblivemedia), 15 status rows across 15 suites (artful, bionic, lucid, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 11, not-affected 2, DNE 1, released 1. https://ubuntu.com/security/CVE-2013-6933

Affected software / configurations for CVE-2013-6933

Vendor Product Version Raw CPE
live555 streaming_media 2011-08-13 cpe:2.3:a:live555:streaming_media:2011-08-13:*:*:*:*:*:*:*
live555 streaming_media 2011-08-20 cpe:2.3:a:live555:streaming_media:2011-08-20:*:*:*:*:*:*:*
live555 streaming_media 2011-08-22 cpe:2.3:a:live555:streaming_media:2011-08-22:*:*:*:*:*:*:*
live555 streaming_media 2011-09-02 cpe:2.3:a:live555:streaming_media:2011-09-02:*:*:*:*:*:*:*
live555 streaming_media 2011-09-19 cpe:2.3:a:live555:streaming_media:2011-09-19:*:*:*:*:*:*:*
live555 streaming_media 2011-10-05 cpe:2.3:a:live555:streaming_media:2011-10-05:*:*:*:*:*:*:*
live555 streaming_media 2011-10-09 cpe:2.3:a:live555:streaming_media:2011-10-09:*:*:*:*:*:*:*
live555 streaming_media 2011-10-18 cpe:2.3:a:live555:streaming_media:2011-10-18:*:*:*:*:*:*:*
live555 streaming_media 2011-10-27 cpe:2.3:a:live555:streaming_media:2011-10-27:*:*:*:*:*:*:*
live555 streaming_media 2011-11-02 cpe:2.3:a:live555:streaming_media:2011-11-02:*:*:*:*:*:*:*
live555 streaming_media 2011-11-08 cpe:2.3:a:live555:streaming_media:2011-11-08:*:*:*:*:*:*:*
live555 streaming_media 2011-11-20 cpe:2.3:a:live555:streaming_media:2011-11-20:*:*:*:*:*:*:*
live555 streaming_media 2011-11-27 cpe:2.3:a:live555:streaming_media:2011-11-27:*:*:*:*:*:*:*
live555 streaming_media 2011-11-28 cpe:2.3:a:live555:streaming_media:2011-11-28:*:*:*:*:*:*:*
live555 streaming_media 2011-11-29 cpe:2.3:a:live555:streaming_media:2011-11-29:*:*:*:*:*:*:*
live555 streaming_media 2011-12-02 cpe:2.3:a:live555:streaming_media:2011-12-02:*:*:*:*:*:*:*
live555 streaming_media 2011-12-19 cpe:2.3:a:live555:streaming_media:2011-12-19:*:*:*:*:*:*:*
live555 streaming_media 2011-12-20 cpe:2.3:a:live555:streaming_media:2011-12-20:*:*:*:*:*:*:*
live555 streaming_media 2011-12-23 cpe:2.3:a:live555:streaming_media:2011-12-23:*:*:*:*:*:*:*
live555 streaming_media 2012-01-07 cpe:2.3:a:live555:streaming_media:2012-01-07:*:*:*:*:*:*:*
live555 streaming_media 2012-01-13 cpe:2.3:a:live555:streaming_media:2012-01-13:*:*:*:*:*:*:*
live555 streaming_media 2012-01-25 cpe:2.3:a:live555:streaming_media:2012-01-25:*:*:*:*:*:*:*
live555 streaming_media 2012-01-26 cpe:2.3:a:live555:streaming_media:2012-01-26:*:*:*:*:*:*:*
live555 streaming_media 2012-02-03 cpe:2.3:a:live555:streaming_media:2012-02-03:*:*:*:*:*:*:*
live555 streaming_media 2012-02-04 cpe:2.3:a:live555:streaming_media:2012-02-04:*:*:*:*:*:*:*
live555 streaming_media 2012-02-29 cpe:2.3:a:live555:streaming_media:2012-02-29:*:*:*:*:*:*:*
live555 streaming_media 2012-03-20 cpe:2.3:a:live555:streaming_media:2012-03-20:*:*:*:*:*:*:*
live555 streaming_media 2012-03-22 cpe:2.3:a:live555:streaming_media:2012-03-22:*:*:*:*:*:*:*
live555 streaming_media 2012-04-04 cpe:2.3:a:live555:streaming_media:2012-04-04:*:*:*:*:*:*:*
live555 streaming_media 2012-04-18 cpe:2.3:a:live555:streaming_media:2012-04-18:*:*:*:*:*:*:*
live555 streaming_media 2012-04-21 cpe:2.3:a:live555:streaming_media:2012-04-21:*:*:*:*:*:*:*
live555 streaming_media 2012-04-26 cpe:2.3:a:live555:streaming_media:2012-04-26:*:*:*:*:*:*:*
live555 streaming_media 2012-04-27 cpe:2.3:a:live555:streaming_media:2012-04-27:*:*:*:*:*:*:*
live555 streaming_media 2012-05-03 cpe:2.3:a:live555:streaming_media:2012-05-03:*:*:*:*:*:*:*
live555 streaming_media 2012-05-11 cpe:2.3:a:live555:streaming_media:2012-05-11:*:*:*:*:*:*:*
live555 streaming_media 2012-05-17 cpe:2.3:a:live555:streaming_media:2012-05-17:*:*:*:*:*:*:*
live555 streaming_media 2012-06-12 cpe:2.3:a:live555:streaming_media:2012-06-12:*:*:*:*:*:*:*
live555 streaming_media 2012-06-17 cpe:2.3:a:live555:streaming_media:2012-06-17:*:*:*:*:*:*:*
live555 streaming_media 2012-06-23 cpe:2.3:a:live555:streaming_media:2012-06-23:*:*:*:*:*:*:*
live555 streaming_media 2012-06-26 cpe:2.3:a:live555:streaming_media:2012-06-26:*:*:*:*:*:*:*
live555 streaming_media 2012-07-03 cpe:2.3:a:live555:streaming_media:2012-07-03:*:*:*:*:*:*:*
live555 streaming_media 2012-07-06 cpe:2.3:a:live555:streaming_media:2012-07-06:*:*:*:*:*:*:*
live555 streaming_media 2012-07-14 cpe:2.3:a:live555:streaming_media:2012-07-14:*:*:*:*:*:*:*
live555 streaming_media 2012-07-18 cpe:2.3:a:live555:streaming_media:2012-07-18:*:*:*:*:*:*:*
live555 streaming_media 2012-07-24 cpe:2.3:a:live555:streaming_media:2012-07-24:*:*:*:*:*:*:*
live555 streaming_media 2012-07-26 cpe:2.3:a:live555:streaming_media:2012-07-26:*:*:*:*:*:*:*
live555 streaming_media 2012-08-08 cpe:2.3:a:live555:streaming_media:2012-08-08:*:*:*:*:*:*:*
live555 streaming_media 2012-08-12 cpe:2.3:a:live555:streaming_media:2012-08-12:*:*:*:*:*:*:*
live555 streaming_media 2012-08-17 cpe:2.3:a:live555:streaming_media:2012-08-17:*:*:*:*:*:*:*
live555 streaming_media 2012-08-20 cpe:2.3:a:live555:streaming_media:2012-08-20:*:*:*:*:*:*:*
live555 streaming_media 2012-08-28 cpe:2.3:a:live555:streaming_media:2012-08-28:*:*:*:*:*:*:*
live555 streaming_media 2012-08-29 cpe:2.3:a:live555:streaming_media:2012-08-29:*:*:*:*:*:*:*
live555 streaming_media 2012-08-30 cpe:2.3:a:live555:streaming_media:2012-08-30:*:*:*:*:*:*:*
live555 streaming_media 2012-08-31 cpe:2.3:a:live555:streaming_media:2012-08-31:*:*:*:*:*:*:*
live555 streaming_media 2012-09-06 cpe:2.3:a:live555:streaming_media:2012-09-06:*:*:*:*:*:*:*
live555 streaming_media 2012-09-07 cpe:2.3:a:live555:streaming_media:2012-09-07:*:*:*:*:*:*:*
live555 streaming_media 2012-09-11 cpe:2.3:a:live555:streaming_media:2012-09-11:*:*:*:*:*:*:*
live555 streaming_media 2012-09-12 cpe:2.3:a:live555:streaming_media:2012-09-12:*:*:*:*:*:*:*
live555 streaming_media 2012-09-13 cpe:2.3:a:live555:streaming_media:2012-09-13:*:*:*:*:*:*:*
live555 streaming_media 2012-09-27 cpe:2.3:a:live555:streaming_media:2012-09-27:*:*:*:*:*:*:*
live555 streaming_media 2012-10-01 cpe:2.3:a:live555:streaming_media:2012-10-01:*:*:*:*:*:*:*
live555 streaming_media 2012-10-04 cpe:2.3:a:live555:streaming_media:2012-10-04:*:*:*:*:*:*:*
live555 streaming_media 2012-10-11 cpe:2.3:a:live555:streaming_media:2012-10-11:*:*:*:*:*:*:*
live555 streaming_media 2012-10-12 cpe:2.3:a:live555:streaming_media:2012-10-12:*:*:*:*:*:*:*
live555 streaming_media 2012-10-16 cpe:2.3:a:live555:streaming_media:2012-10-16:*:*:*:*:*:*:*
live555 streaming_media 2012-10-17 cpe:2.3:a:live555:streaming_media:2012-10-17:*:*:*:*:*:*:*
live555 streaming_media 2012-10-18 cpe:2.3:a:live555:streaming_media:2012-10-18:*:*:*:*:*:*:*
live555 streaming_media 2012-10-21 cpe:2.3:a:live555:streaming_media:2012-10-21:*:*:*:*:*:*:*
live555 streaming_media 2012-10-22 cpe:2.3:a:live555:streaming_media:2012-10-22:*:*:*:*:*:*:*
live555 streaming_media 2012-10-24 cpe:2.3:a:live555:streaming_media:2012-10-24:*:*:*:*:*:*:*
live555 streaming_media 2012-11-05 cpe:2.3:a:live555:streaming_media:2012-11-05:*:*:*:*:*:*:*
live555 streaming_media 2012-11-08 cpe:2.3:a:live555:streaming_media:2012-11-08:*:*:*:*:*:*:*
live555 streaming_media 2012-11-16 cpe:2.3:a:live555:streaming_media:2012-11-16:*:*:*:*:*:*:*
live555 streaming_media 2012-11-17 cpe:2.3:a:live555:streaming_media:2012-11-17:*:*:*:*:*:*:*
live555 streaming_media 2012-11-22 cpe:2.3:a:live555:streaming_media:2012-11-22:*:*:*:*:*:*:*
live555 streaming_media 2012-11-28 cpe:2.3:a:live555:streaming_media:2012-11-28:*:*:*:*:*:*:*
live555 streaming_media 2012-11-29 cpe:2.3:a:live555:streaming_media:2012-11-29:*:*:*:*:*:*:*
live555 streaming_media 2012-11-30 cpe:2.3:a:live555:streaming_media:2012-11-30:*:*:*:*:*:*:*
live555 streaming_media 2012-12-15 cpe:2.3:a:live555:streaming_media:2012-12-15:*:*:*:*:*:*:*
live555 streaming_media 2012-12-18 cpe:2.3:a:live555:streaming_media:2012-12-18:*:*:*:*:*:*:*

References for CVE-2013-6933

cvelogic Threat Intelligence