CVE-2020-23706
CVE-2020-23706 is a medium-severity vulnerability in Ok-file-formats Project Ok-file-formats with a CVSS 3.x base score of 6.5. 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 6.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (59th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Ok-file-formats Project Ok-file-formats
- Published:
- Last modified:
Description
A heap-based buffer overflow vulnerability in the function ok_jpg_decode_block_subsequent_scan() ok_jpg.c:1102 of ok-file-formats through 2020-06-26 allows attackers to cause a Denial of Service (DOS) via a crafted jpeg file.
Frequently asked questions
- What is CVE-2020-23706?
- A heap-based buffer overflow vulnerability in the function ok_jpg_decode_block_subsequent_scan() ok_jpg.c:1102 of ok-file-formats through 2020-06-26 allows attackers to cause a Denial of Service (DOS) via a crafted jpeg file.
- How severe is CVE-2020-23706?
- CVE-2020-23706 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2020-23706 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-23706?
- CVE-2020-23706 affects Ok-file-formats Project Ok-file-formats. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-23706?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-23706 published?
- CVE-2020-23706 was published on 2021-07-15 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:ok-file-formats_project:ok-file-formats:*:*:*:*:*:*:*:*
More vulnerabilities in Ok-file-formats Project Ok-file-formats
- CVE-2021-28233 — High (CVSS 8.8): Heap-based Buffer Overflow vulnerability exists in ok-file-formats 1 via the ok_jpg_generate_huffman_table function in…
- CVE-2018-20618 — High (CVSS 8.8): ok-file-formats through 2018-10-16 has a heap-based buffer over-read in the ok_mo_decode2 function in ok_mo.c.
- CVE-2018-20617 — High (CVSS 8.8): ok-file-formats through 2018-10-16 has a heap-based buffer overflow in the ok_csv_decode2 function in ok_csv.c.
- CVE-2018-20616 — High (CVSS 8.8): ok-file-formats through 2018-10-16 has a heap-based buffer overflow in the ok_wav_decode_ms_adpcm_data function in…
- CVE-2021-41413 — High (CVSS 7.8): ok-file-formats master 2021-9-12 is affected by a buffer overflow in ok_jpg_convert_data_unit_grayscale and…
- CVE-2021-44343 — High (CVSS 7.8): David Brackeen ok-file-formats 203defd is vulnerable to Buffer Overflow. When the function of the ok-file-formats…
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