How severe is CVE-2018-18064?

CVE-2018-18064 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-18064 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18064?

CVE-2018-18064 affects Cairographics Cairo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18064?

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

When was CVE-2018-18064 published?

CVE-2018-18064 was published on 2018-10-08 and last updated on 2026-06-17.

CVE-2018-18064

CVE-2018-18064 is a medium-severity vulnerability in Cairographics Cairo with a CVSS 3.x base score of 6.5. 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Cairographics Cairo
Published: 2018-10-08
Last modified: 2026-06-17

Description

cairo through 1.15.14 has an out-of-bounds stack-memory write during processing of a crafted document by WebKitGTK+ because of the interaction between cairo-rectangular-scan-converter.c (the generate and render_rows functions) and cairo-image-compositor.c (the _cairo_image_spans_and_zero function).

Frequently asked questions

What is CVE-2018-18064?: cairo through 1.15.14 has an out-of-bounds stack-memory write during processing of a crafted document by WebKitGTK+ because of the interaction between cairo-rectangular-scan-converter.c (the generate and render_rows functions) and cairo-image-compositor.c (the _cairo_image_spans_and_zero function).
How severe is CVE-2018-18064?: CVE-2018-18064 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-18064 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18064?: CVE-2018-18064 affects Cairographics Cairo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18064?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-18064 published?: CVE-2018-18064 was published on 2018-10-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cairographics:cairo:*:*:*:*:*:*:*:*

More vulnerabilities in Cairographics Cairo

CVE-2020-35492 — High (CVSS 7.8): A flaw was found in cairo's image-compositor.c in all versions prior to 1.17.4. This flaw allows an attacker who can…
CVE-2017-9814 — High (CVSS 7.5): cairo-truetype-subset.c in cairo 1.15.6 and earlier allows remote attackers to cause a denial of service (out-of-bounds…
CVE-2016-3190 — High (CVSS 7.5): The fill_xrgb32_lerp_opaque_spans function in cairo-image-compositor.c in cairo before 1.14.2 allows remote attackers…
CVE-2019-6462 — Medium (CVSS 6.5): An issue was discovered in cairo 1.16.0. There is an infinite loop in the function _arc_error_normalized in the file…
CVE-2019-6461 — Medium (CVSS 6.5): An issue was discovered in cairo 1.16.0. There is an assertion problem in the function _cairo_arc_in_direction in the…
CVE-2018-19876 — Medium (CVSS 6.5): cairo 1.16.0, in cairo_ft_apply_variations() in cairo-ft-font.c, would free memory using a free function incompatible…

All CVEs affecting Cairographics Cairo →

Other CWE-787 (Out-of-bounds Write) vulnerabilities

CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src‎ modules). This vulnerability is…
CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…

Browse all CWE-787 (Out-of-bounds Write) vulnerabilities →