PatchTheCVECVE-2008-5240: xine-lib 1.1.12, and other 1.1.15 and earlier versions, relies on an untrusted input value to determine the me
CVE-2008-5240 is a medium-severity flaw (CVSS 4.3) affecting xine-lib. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
xine-lib 1.1.12, and other 1.1.15 and earlier versions, relies on an untrusted input value to determine the memory allocation and does not check the result for (1) the MATROSKA_ID_TR_CODECPRIVATE track entry element processed by demux_matroska.c; and (2) PROP_TAG, (3) MDPR_TAG, and (4) CONT_TAG chunks processed by the real_parse_headers function in demux_real.c; which allows remote attackers to cause a denial of service (NULL pointer dereference
Why this priority
- EPSS top 9%: very likely to be exploited
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| EPSS exploit chance | 4.2% (top 9%) |
| CISA exploited list | No |
| Weakness | CWE-119 |
| Published | 2008-11-26 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2008-5240?
xine-lib: upgrade to newer than 1.1.15. Exact commands for each OS are on this page.
Is CVE-2008-5240 being exploited?
CVE-2008-5240 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2008-5240 affect?
CVE-2008-5240 affects xine-lib. Severity is medium (CVSS 4.3). xine-lib 1.1.12, and other 1.1.15 and earlier versions, relies on an untrusted input value to determine the memory allocation and does not check the result for (1) the MATROSKA_ID_TR_CODECPRIVATE track entry element processed by demux_matro
How urgent is CVE-2008-5240?
Priority 38/100. EPSS top 9%: very likely to be exploited
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- CVE-2008-5247 MEDIUM 4.3 UPGRADE The real_parse_audio_specific_data function in demux_real.c in xine-lib 1.1.12, and other 1.1.15 and earlier v
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