How severe is CVE-2020-24890?

CVE-2020-24890 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-2020-24890 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-24890?

CVE-2020-24890 affects Libraw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-24890?

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

When was CVE-2020-24890 published?

CVE-2020-24890 was published on 2020-09-16 and last updated on 2026-06-17.

CVE-2020-24890

CVE-2020-24890 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.6
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Libraw
Published: 2020-09-16
Last modified: 2026-06-17

Description

libraw 20.0 has a null pointer dereference vulnerability in parse_tiff_ifd in src/metadata/tiff.cpp, which may result in context-dependent arbitrary code execution. Note: this vulnerability occurs only if you compile the software in a certain way

Frequently asked questions

What is CVE-2020-24890?: libraw 20.0 has a null pointer dereference vulnerability in parse_tiff_ifd in src/metadata/tiff.cpp, which may result in context-dependent arbitrary code execution. Note: this vulnerability occurs only if you compile the software in a certain way
How severe is CVE-2020-24890?: CVE-2020-24890 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-2020-24890 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-24890?: CVE-2020-24890 affects Libraw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-24890?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-24890 published?: CVE-2020-24890 was published on 2020-09-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:libraw:libraw:0.20.0:*:*:*:*:*:*:*

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