How severe is CVE-2022-38856?

CVE-2022-38856 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-38856 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-38856?

CVE-2022-38856 primarily affects Mplayerhq Mencoder. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-38856?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-38856 published?

CVE-2022-38856 was published on 2022-09-15 and last updated on 2026-06-17.

CVE-2022-38856

CVE-2022-38856 is a medium-severity vulnerability in Mplayerhq Mencoder with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Mplayerhq Mencoder
Published: 2022-09-15
Last modified: 2026-06-17

Description

Certain The MPlayer Project products are vulnerable to Buffer Overflow via function mov_build_index() of libmpdemux/demux_mov.c. This affects mplayer SVN-r38374-13.0.1 and mencoder SVN-r38374-13.0.1.

Frequently asked questions

What is CVE-2022-38856?: Certain The MPlayer Project products are vulnerable to Buffer Overflow via function mov_build_index() of libmpdemux/demux_mov.c. This affects mplayer SVN-r38374-13.0.1 and mencoder SVN-r38374-13.0.1.
How severe is CVE-2022-38856?: CVE-2022-38856 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-38856 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-38856?: CVE-2022-38856 primarily affects Mplayerhq Mencoder. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-38856?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-38856 published?: CVE-2022-38856 was published on 2022-09-15 and last updated on 2026-06-17.

References

https://trac.mplayerhq.hu/ticket/2395

Affected products (2)

cpe:2.3:a:mplayerhq:mencoder:svn-r38374-13.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mplayerhq:mplayer:svn-r38374-13.0.1:*:*:*:*:*:*:*

More vulnerabilities in Mplayerhq Mencoder

CVE-2022-38862 — High (CVSS 7.8): Certain The MPlayer Project products are vulnerable to Buffer Overflow via function play() of libaf/af.c:639. This…
CVE-2022-38851 — Medium (CVSS 5.5): Certain The MPlayer Project products are vulnerable to Out-of-bounds Read via function read_meta_record() of…
CVE-2022-38850 — Medium (CVSS 5.5): The MPlayer Project mencoder SVN-r38374-13.0.1 is vulnerable to Divide By Zero via the function config () of…
CVE-2022-38866 — Medium (CVSS 5.5): Certain The MPlayer Project products are vulnerable to Buffer Overflow via read_avi_header() of libmpdemux/aviheader.c…
CVE-2022-38865 — Medium (CVSS 5.5): Certain The MPlayer Project products are vulnerable to Divide By Zero via the function demux_avi_read_packet of…
CVE-2022-38864 — Medium (CVSS 5.5): Certain The MPlayer Project products are vulnerable to Buffer Overflow via the function mp_unescape03() of…

All CVEs affecting Mplayerhq Mencoder →

Other CWE-787 (Out-of-bounds Write) vulnerabilities

CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src‎ modules). This vulnerability is…
CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…

Browse all CWE-787 (Out-of-bounds Write) vulnerabilities →