CVE-2020-21679
CVE-2020-21679 is a medium-severity vulnerability in Graphicsmagick 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-787.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (29th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Graphicsmagick
- Published:
- Last modified:
Description
Buffer Overflow vulnerability in WritePCXImage function in pcx.c in GraphicsMagick 1.4 allows remote attackers to cause a denial of service via converting of crafted image file to pcx format.
Frequently asked questions
- What is CVE-2020-21679?
- Buffer Overflow vulnerability in WritePCXImage function in pcx.c in GraphicsMagick 1.4 allows remote attackers to cause a denial of service via converting of crafted image file to pcx format.
- How severe is CVE-2020-21679?
- CVE-2020-21679 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-2020-21679 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-21679?
- CVE-2020-21679 affects Graphicsmagick. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-21679?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-21679 published?
- CVE-2020-21679 was published on 2023-08-22 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:graphicsmagick:graphicsmagick:1.4:*:*:*:*:*:*:*
More vulnerabilities in Graphicsmagick
- CVE-2008-6071 — Critical (CVSS 10.0): Heap-based buffer overflow in the DecodeImage function in coders/pict.c in GraphicsMagick before 1.1.14, and 1.2.x…
- CVE-2020-10938 — Critical (CVSS 9.8): GraphicsMagick before 1.3.35 has an integer overflow and resultant heap-based buffer overflow in HuffmanDecodeImage in…
- CVE-2019-19951 — Critical (CVSS 9.8): In GraphicsMagick 1.4 snapshot-20190423 Q8, there is a heap-based buffer overflow in the function ImportRLEPixels of…
- CVE-2019-19950 — Critical (CVSS 9.8): In GraphicsMagick 1.4 snapshot-20190403 Q8, there is a use-after-free in ThrowException and ThrowLoggedException of…
- CVE-2019-11005 — Critical (CVSS 9.8): In GraphicsMagick 1.4 snapshot-20190322 Q8, there is a stack-based buffer overflow in the function SVGStartElement of…
- CVE-2017-11643 — Critical (CVSS 9.8): GraphicsMagick 1.3.26 has a heap overflow in the WriteCMYKImage() function in coders/cmyk.c when processing multiple…
All CVEs affecting Graphicsmagick →
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