What’s Vulnerable › Vulnerabilities

CVE-2018-21009

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-09-05 · updated 2026-06-17
• Weakness: CWE-190

Description

Poppler before 0.66.0 has an integer overflow in Parser::makeStream in Parser.cc.

Affected products

• poppler: before 0.76.0 — fixed in 0.76.0

How to fix

Upgrade to a fixed version: poppler 0.76.0. Check the vendor advisory for mitigations.

References

• https://gitlab.freedesktop.org/poppler/poppler/commit/0868c499a9f5f37f8df5c9fef03c37496b40fc8a
• https://lists.debian.org/debian-lts-announce/2019/09/msg00033.html
• https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html
• https://gitlab.freedesktop.org/poppler/poppler/commit/0868c499a9f5f37f8df5c9fef03c37496b40fc8a
• https://lists.debian.org/debian-lts-announce/2019/09/msg00033.html
• https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html

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