CVE-2019-9133
CVE-2019-9133 is a medium-severity vulnerability in Kmplayer 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-191.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-191
- Affected product: Kmplayer
- Published:
- Last modified:
Description
When processing subtitles format media file, KMPlayer version 2018.12.24.14 or lower doesn't check object size correctly, which leads to integer underflow then to memory out-of-bound read/write. An attacker can exploit this issue by enticing an unsuspecting user to open a malicious file.
Frequently asked questions
- What is CVE-2019-9133?
- When processing subtitles format media file, KMPlayer version 2018.12.24.14 or lower doesn't check object size correctly, which leads to integer underflow then to memory out-of-bound read/write. An attacker can exploit this issue by enticing an unsuspecting user to open a malicious file.
- How severe is CVE-2019-9133?
- CVE-2019-9133 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-2019-9133 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-9133?
- CVE-2019-9133 primarily affects Kmplayer. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2019-9133?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2019-9133 published?
- CVE-2019-9133 was published on 2019-04-09 and last updated on 2026-06-17.
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4D55BLGBNWNIMNI5N57WDPAFQCUIM6XX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT5HBIKH64YRZFFAPXGOTHIQJHSTQJF7/
- https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=34991
Affected products (3)
- cpe:2.3:a:kmplayer:kmplayer:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
More vulnerabilities in Kmplayer
- CVE-2012-3841 — Critical (CVSS 9.3): Untrusted search path vulnerability in KMPlayer 3.2.0.19 allows local users to execute arbitrary code and conduct DLL…
- CVE-2011-2594 — Critical (CVSS 9.3): Heap-based buffer overflow in KMPlayer 3.0.0.1441, and possibly other versions, allows remote attackers to execute…
- CVE-2019-17259 — High (CVSS 7.8): KMPlayer 4.2.2.31 allows a User Mode Write AV starting at utils!src_new+0x000000000014d6ee.
- CVE-2017-16952 — Medium (CVSS 5.5): KMPlayer 4.2.2.4 allows remote attackers to cause a denial of service via a crafted NSV file.
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- CVE-2026-53176 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: IB/isert: Reject login PDUs shorter than…
- CVE-2026-37534 — Critical (CVSS 9.8): Integer underflow vulnerability in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe (2025-11-30) in…
- CVE-2025-52471 — Critical (CVSS 9.8): ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. An integer underflow vulnerability has been…
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- CVE-2024-47606 — Critical (CVSS 9.8): GStreamer is a library for constructing graphs of media-handling components. An integer underflow has been detected in…