How severe is CVE-2020-35538?

CVE-2020-35538 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-2020-35538 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35538?

CVE-2020-35538 affects Libjpeg-turbo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35538?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-35538 published?

CVE-2020-35538 was published on 2022-08-31 and last updated on 2026-06-17.

CVE-2020-35538

CVE-2020-35538 is a medium-severity vulnerability in Libjpeg-turbo 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Libjpeg-turbo
Published: 2022-08-31
Last modified: 2026-06-17

Description

A crafted input file could cause a null pointer dereference in jcopy_sample_rows() when processed by libjpeg-turbo.

Frequently asked questions

What is CVE-2020-35538?: A crafted input file could cause a null pointer dereference in jcopy_sample_rows() when processed by libjpeg-turbo.
How severe is CVE-2020-35538?: CVE-2020-35538 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-2020-35538 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35538?: CVE-2020-35538 affects Libjpeg-turbo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35538?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-35538 published?: CVE-2020-35538 was published on 2022-08-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:libjpeg-turbo:libjpeg-turbo:2.0.5:*:*:*:*:*:*:*

More vulnerabilities in Libjpeg-turbo

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CVE-2021-29390 — High (CVSS 7.1): libjpeg-turbo version 2.0.90 has a heap-based buffer over-read (2 bytes) in decompress_smooth_data in jdcoefct.c.
CVE-2023-2804 — Medium (CVSS 6.5): A heap-based buffer overflow issue was discovered in libjpeg-turbo in h2v2_merged_upsample_internal() function of…

All CVEs affecting Libjpeg-turbo →

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