CVE-2016-9969
CVE-2016-9969 is a high-severity vulnerability in Webmproject Libwebp with a CVSS 3.x base score of 7.5. 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-415.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.1
- EPSS exploit prediction: 1% (68th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-415
- Affected product: Webmproject Libwebp
- Published:
- Last modified:
Description
In libwebp 0.5.1, there is a double free bug in libwebpmux.
Frequently asked questions
- What is CVE-2016-9969?
- In libwebp 0.5.1, there is a double free bug in libwebpmux.
- How severe is CVE-2016-9969?
- CVE-2016-9969 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2016-9969 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-9969?
- CVE-2016-9969 affects Webmproject Libwebp. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-9969?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2016-9969 published?
- CVE-2016-9969 was published on 2019-05-23 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:webmproject:libwebp:0.5.1:*:*:*:*:*:*:*
More vulnerabilities in Webmproject Libwebp
- CVE-2020-36329 — Critical (CVSS 9.8): A flaw was found in libwebp in versions before 1.0.1. A use-after-free was found due to a thread being killed too…
- CVE-2020-36328 — Critical (CVSS 9.8): A flaw was found in libwebp in versions before 1.0.1. A heap-based buffer overflow in function WebPDecodeRGBInto is…
- CVE-2018-25014 — Critical (CVSS 9.8): A use of uninitialized value was found in libwebp in versions before 1.0.1 in ReadSymbol().
- CVE-2018-25011 — Critical (CVSS 9.8): A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in PutLE16().
- CVE-2020-36331 — Critical (CVSS 9.1): A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkAssignData. The…
- CVE-2020-36330 — Critical (CVSS 9.1): A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkVerifyAndAssign.…
All CVEs affecting Webmproject Libwebp →
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