Security readout for executives and security teams
ClamAV versions 0.101.1 and earlier can crash while scanning a specially crafted PDF. The business impact is availability: mail gateways, file-upload pipelines, or other systems that rely on ClamAV PDF scanning could stop scanning or interrupt processing. The source bundle does not show data theft or system takeover. Exposure is most likely where ClamAV 0.101.1 or earlier scans untrusted PDFs from email, web uploads, file shares, ticketing systems, or automated ingestion pipelines. Systems not scanning PDFs or not running affected ClamAV versions are less likely exposed. Prioritize remediation on internet-facing or business-critical scanning paths because the impact is service disruption, not confidentiality loss. This is a high-severity availability issue with low attack complexity and no required authentication, but the supplied evidence does not establish active exploitation. Mitigation focus: Upgrade ClamAV using vendor or distribution security updates.; Prioritize scanning gateways and automated ingestion services handling untrusted PDFs.; Check Cisco, Gentoo, openSUSE, and Debian guidance for applicable fixed packages..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-20: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2019-1787 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.5HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12181CVE reference · x_refsource_MISC
- GLSA-201904-12CVE reference · vendor-advisory, x_refsource_GENTOO
- [debian-lts-announce] 20190422 [SECURITY] [DLA 1759-1] clamav security updateCVE reference · mailing-list, x_refsource_MLIST
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.