How severe is CVE-2017-1000456?

CVE-2017-1000456 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-1000456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-1000456?

CVE-2017-1000456 primarily affects Freedesktop Poppler. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-1000456?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-1000456 published?

CVE-2017-1000456 was published on 2018-01-02 and last updated on 2026-06-17.

CVE-2017-1000456

CVE-2017-1000456 is a high-severity vulnerability in Freedesktop Poppler with a CVSS 3.x base score of 8.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Freedesktop Poppler
Published: 2018-01-02
Last modified: 2026-06-17

Description

freedesktop.org libpoppler 0.60.1 fails to validate boundaries in TextPool::addWord, leading to overflow in subsequent calculations.

Frequently asked questions

What is CVE-2017-1000456?: freedesktop.org libpoppler 0.60.1 fails to validate boundaries in TextPool::addWord, leading to overflow in subsequent calculations.
How severe is CVE-2017-1000456?: CVE-2017-1000456 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-1000456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-1000456?: CVE-2017-1000456 primarily affects Freedesktop Poppler. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-1000456?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-1000456 published?: CVE-2017-1000456 was published on 2018-01-02 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:freedesktop:poppler:0.60.1:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

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…

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