How severe is CVE-2019-19819?

CVE-2019-19819 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-2019-19819 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19819?

CVE-2019-19819 affects Gonitro Nitropdf. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-19819?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-19819 published?

CVE-2019-19819 was published on 2020-01-10 and last updated on 2026-06-17.

CVE-2019-19819

CVE-2019-19819 is a medium-severity vulnerability in Gonitro Nitropdf 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Gonitro Nitropdf
Published: 2020-01-10
Last modified: 2026-06-17

Description

The JBIG2Globals library in npdf.dll in Nitro Free PDF Reader 12.0.0.112 has a CAPPDAnnotHandlerUtils::PDAnnotHandlerDestroyData2+0x90ec NULL Pointer Dereference via crafted Unicode content.

Frequently asked questions

What is CVE-2019-19819?: The JBIG2Globals library in npdf.dll in Nitro Free PDF Reader 12.0.0.112 has a CAPPDAnnotHandlerUtils::PDAnnotHandlerDestroyData2+0x90ec NULL Pointer Dereference via crafted Unicode content.
How severe is CVE-2019-19819?: CVE-2019-19819 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-2019-19819 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19819?: CVE-2019-19819 affects Gonitro Nitropdf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-19819?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-19819 published?: CVE-2019-19819 was published on 2020-01-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gonitro:nitropdf:12.0.0.112:*:*:*:*:*:*:*

More vulnerabilities in Gonitro Nitropdf

CVE-2013-2773 — High (CVSS 7.8): Nitro PDF 8.5.0.26: A specially crafted DLL file can facilitate Arbitrary Code Execution
CVE-2019-5053 — High (CVSS 7.8): An exploitable use-after-free vulnerability exists in the Length parsing function of NitroPDF. A specially crafted PDF…
CVE-2019-5050 — High (CVSS 7.8): A specifically crafted PDF file can lead to a heap corruption when opened in NitroPDF 12.12.1.522. With careful memory…
CVE-2019-5048 — High (CVSS 7.8): A specifically crafted PDF file can lead to a heap corruption when opened in NitroPDF 12.12.1.522. With careful memory…
CVE-2019-5047 — High (CVSS 7.8): An exploitable Use After Free vulnerability exists in the CharProcs parsing functionality of NitroPDF. A specially…
CVE-2019-5046 — High (CVSS 7.8): A specifically crafted jpeg2000 file embedded in a PDF file can lead to a heap corruption when opening a PDF document…

All CVEs affecting Gonitro Nitropdf →

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

CVE-2022-36648 — Critical (CVSS 10.0): The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier,…
CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →