CVE-2018-11576
CVE-2018-11576 is a critical-severity vulnerability in Miniupnp Project Ngiflib with a CVSS 3.x base score of 9.8. 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-125.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (70th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Miniupnp Project Ngiflib
- Published:
- Last modified:
Description
ngiflib.c in MiniUPnP ngiflib 0.4 has a heap-based buffer over-read in GifIndexToTrueColor.
Frequently asked questions
- What is CVE-2018-11576?
- ngiflib.c in MiniUPnP ngiflib 0.4 has a heap-based buffer over-read in GifIndexToTrueColor.
- How severe is CVE-2018-11576?
- CVE-2018-11576 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-11576 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-11576?
- CVE-2018-11576 affects Miniupnp Project Ngiflib. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-11576?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-11576 published?
- CVE-2018-11576 was published on 2018-05-31 and last updated on 2026-06-17.
References
- https://github.com/Edward-L/fuzzing-pocs/tree/master/ngiflib
- https://github.com/miniupnp/ngiflib/issues/6
Affected products (1)
- cpe:2.3:a:miniupnp_project:ngiflib:0.4:*:*:*:*:*:*:*
More vulnerabilities in Miniupnp Project Ngiflib
- CVE-2018-11575 — Critical (CVSS 9.8): ngiflib.c in MiniUPnP ngiflib 0.4 has a stack-based buffer overflow in DecodeGifImg.
- CVE-2021-36531 — High (CVSS 8.8): ngiflib 0.4 has a heap overflow in GetByte() at ngiflib.c:70 in NGIFLIB_NO_FILE mode, GetByte() reads memory buffer…
- CVE-2021-36530 — High (CVSS 8.8): ngiflib 0.4 has a heap overflow in GetByteStr() at ngiflib.c:108 in NGIFLIB_NO_FILE mode, GetByteStr() copy memory…
- CVE-2019-20219 — High (CVSS 8.8): ngiflib 0.4 has a heap-based buffer over-read in GifIndexToTrueColor in ngiflib.c.
- CVE-2019-16347 — High (CVSS 8.8): ngiflib 0.4 has a heap-based buffer overflow in WritePixels() in ngiflib.c when called from DecodeGifImg, because…
- CVE-2019-16346 — High (CVSS 8.8): ngiflib 0.4 has a heap-based buffer overflow in WritePixel() in ngiflib.c when called from DecodeGifImg, because…
All CVEs affecting Miniupnp Project Ngiflib →
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