How severe is CVE-2020-35534?

CVE-2020-35534 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-2020-35534 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35534?

CVE-2020-35534 primarily affects Libraw. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-35534?

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

When was CVE-2020-35534 published?

CVE-2020-35534 was published on 2022-09-01 and last updated on 2026-06-17.

CVE-2020-35534

CVE-2020-35534 is a medium-severity vulnerability in Libraw 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Libraw
Published: 2022-09-01
Last modified: 2026-06-17

Description

In LibRaw, there is a memory corruption vulnerability within the "crxFreeSubbandData()" function (libraw\src\decoders\crx.cpp) when processing cr3 files.

Frequently asked questions

What is CVE-2020-35534?: In LibRaw, there is a memory corruption vulnerability within the "crxFreeSubbandData()" function (libraw\src\decoders\crx.cpp) when processing cr3 files.
How severe is CVE-2020-35534?: CVE-2020-35534 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-2020-35534 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35534?: CVE-2020-35534 primarily affects Libraw. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-35534?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-35534 published?: CVE-2020-35534 was published on 2022-09-01 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:libraw:libraw:0.20.0:-:*:*:*:*:*:*
cpe:2.3:a:libraw:libraw:0.20.0:rc2:*:*:*:*:*:*
cpe:2.3:a:libraw:libraw:0.20.1:*:*:*:*:*:*:*
cpe:2.3:a:libraw:libraw:0.20.2:*:*:*:*:*:*:*
cpe:2.3:a:libraw:libraw:0.21.0:beta1:*:*:*:*:*:*

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