CVE-2020-18839
CVE-2020-18839 is a medium-severity vulnerability in Freedesktop Poppler 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)
- EPSS exploit prediction: 1% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Freedesktop Poppler
- Published:
- Last modified:
Description
Buffer Overflow vulnerability in HtmlOutputDev::page in poppler 0.75.0 allows attackers to cause a denial of service.
Frequently asked questions
- What is CVE-2020-18839?
- Buffer Overflow vulnerability in HtmlOutputDev::page in poppler 0.75.0 allows attackers to cause a denial of service.
- How severe is CVE-2020-18839?
- CVE-2020-18839 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-2020-18839 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-18839?
- CVE-2020-18839 affects Freedesktop Poppler. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-18839?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-18839 published?
- CVE-2020-18839 was published on 2023-08-22 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:freedesktop:poppler:0.75.0:*:*:*:*:*:*:*
More vulnerabilities in Freedesktop Poppler
- CVE-2019-9631 — Critical (CVSS 9.8): Poppler 0.74.0 has a heap-based buffer over-read in the CairoRescaleBox.cc downsample_row_box_filter function.
- CVE-2018-21009 — High (CVSS 8.8): Poppler before 0.66.0 has an integer overflow in Parser::makeStream in Parser.cc.
- CVE-2019-12293 — High (CVSS 8.8): In Poppler through 0.76.1, there is a heap-based buffer over-read in JPXStream::init in JPEG2000Stream.cc via data with…
- CVE-2019-10872 — High (CVSS 8.8): An issue was discovered in Poppler 0.74.0. There is a heap-based buffer over-read in the function…
- CVE-2019-9545 — High (CVSS 8.8): An issue was discovered in Poppler 0.74.0. A recursive function call, in JBIG2Stream::readTextRegion() located in…
- CVE-2019-9543 — High (CVSS 8.8): An issue was discovered in Poppler 0.74.0. A recursive function call, in JBIG2Stream::readGenericBitmap() located in…
All CVEs affecting Freedesktop Poppler →
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