CVE-2022-26181
CVE-2022-26181 is a high-severity vulnerability in Dropbox Lepton with a CVSS 3.x base score of 7.8. 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-787.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (54th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Dropbox Lepton
- Published:
- Last modified:
Description
Dropbox Lepton v1.2.1-185-g2a08b77 was discovered to contain a heap-buffer-overflow in the function aligned_dealloc():src/lepton/bitops.cc:108.
Frequently asked questions
- What is CVE-2022-26181?
- Dropbox Lepton v1.2.1-185-g2a08b77 was discovered to contain a heap-buffer-overflow in the function aligned_dealloc():src/lepton/bitops.cc:108.
- How severe is CVE-2022-26181?
- CVE-2022-26181 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-26181 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-26181?
- CVE-2022-26181 affects Dropbox Lepton. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-26181?
- 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-2022-26181 published?
- CVE-2022-26181 was published on 2022-02-28 and last updated on 2026-06-17.
References
- https://drive.google.com/file/d/1bJlHozO37c5NZ1wI0NBWh0yHHyTcfaQL/view?usp=sharing
- https://github.com/dropbox/lepton
- https://github.com/dropbox/lepton/issues/154
Affected products (1)
- cpe:2.3:a:dropbox:lepton:1.2.1:*:*:*:*:*:*:*
More vulnerabilities in Dropbox Lepton
- CVE-2018-20819 — High (CVSS 7.8): io/ZlibCompression.cc in the decompression component in Dropbox Lepton 1.2.1 allows attackers to cause a denial of…
- CVE-2018-20820 — Medium (CVSS 5.5): read_ujpg in jpgcoder.cc in Dropbox Lepton 1.2.1 allows attackers to cause a denial-of-service (application runtime…
- CVE-2018-12108 — Medium (CVSS 5.5): An issue was discovered in Dropbox Lepton 1.2.1. The validateAndCompress function in validation.cc allows remote…
- CVE-2017-8891 — Medium (CVSS 5.5): Dropbox Lepton 1.2.1 allows DoS (SEGV and application crash) via a malformed lepton file because the code does not…
- CVE-2017-7448 — Medium (CVSS 5.5): The allocate_channel_framebuffer function in uncompressed_components.hh in Dropbox Lepton 1.2.1 allows remote attackers…
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