CVE-2019-5042: An exploitable Use-After-Free vulnerability exists in the way FunctionType 0 PDF elements are processed in Asp

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HIGH 8.8DOWNGRADE

CVE-2019-5042 is a high-severity flaw (CVSS 8.8) affecting aspose.pdf for c\+\+. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An exploitable Use-After-Free vulnerability exists in the way FunctionType 0 PDF elements are processed in Aspose.PDF 19.2 for C++. A specially crafted PDF can cause a dangling heap pointer, resulting in a use-after-free. An attacker can send a malicious PDF to trigger this vulnerability.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	2.1% (top 19%)
CISA exploited list	No
Weakness	CWE-416
Published	2019-09-18
Last modified	2026-06-17

Publisher (CNA): Talos · Vendor: aspose

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-09-18 21:15 UTCPublished CVE record published
2026-06-17 02:37 UTCUpdated Record last modified

aspose aspose.pdf for c\+\+ DOWNGRADE

Affected: 19.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 19.2

1. Check installed version

apt-cache policy aspose.pdf-for-c++ || rpm -q aspose.pdf-for-c++ || aspose.pdf-for-c++ --version

2. No fixed release: DOWNGRADE to a release before 19.2 (Debian / Ubuntu)

apt-cache madison aspose.pdf-for-c++ sudo apt install aspose.pdf-for-c++=<VERSION_BEFORE_19.2> sudo apt-mark hold aspose.pdf-for-c++

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list aspose.pdf-for-c++ sudo dnf downgrade aspose.pdf-for-c++-<VERSION_BEFORE_19.2> sudo dnf versionlock add aspose.pdf-for-c++

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-5042?

aspose.pdf for c\+\+: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-5042 being exploited?

CVE-2019-5042 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-5042 affect?

CVE-2019-5042 affects aspose.pdf for c\+\+. Severity is high (CVSS 8.8). An exploitable Use-After-Free vulnerability exists in the way FunctionType 0 PDF elements are processed in Aspose.PDF 19.2 for C++. A specially crafted PDF can cause a dangling heap pointer, resulting in a use-after-free. An attacker can se

How urgent is CVE-2019-5042?

Priority 56/100. High severity; Public exploit reference

Related CVEs

CVE-2019-5067 CRITICAL 9.8 DOWNGRADE An uninitialized memory access vulnerability exists in the way Aspose.PDF 19.2 for C++ handles invalid parent
CVE-2019-5066 CRITICAL 9.8 DOWNGRADE An exploitable use-after-free vulnerability exists in the way LZW-compressed streams are processed in Aspose.P

References

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