How severe is CVE-2018-7551?

CVE-2018-7551 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-7551 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7551?

CVE-2018-7551 primarily affects Sam2p Project Sam2p. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-7551?

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

When was CVE-2018-7551 published?

CVE-2018-7551 was published on 2018-02-28 and last updated on 2026-06-17.

CVE-2018-7551

CVE-2018-7551 is a critical-severity vulnerability in Sam2p Project Sam2p with a CVSS 3.x base score of 9.8. 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-416.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Sam2p Project Sam2p
Published: 2018-02-28
Last modified: 2026-06-17

Description

There is an invalid free in MiniPS::delete0 in minips.cpp that leads to a Segmentation fault in sam2p 0.49.4. A crafted input will lead to a denial of service or possibly unspecified other impact.

Frequently asked questions

What is CVE-2018-7551?: There is an invalid free in MiniPS::delete0 in minips.cpp that leads to a Segmentation fault in sam2p 0.49.4. A crafted input will lead to a denial of service or possibly unspecified other impact.
How severe is CVE-2018-7551?: CVE-2018-7551 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-7551 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7551?: CVE-2018-7551 primarily affects Sam2p Project Sam2p. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-7551?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-7551 published?: CVE-2018-7551 was published on 2018-02-28 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:sam2p_project:sam2p:0.49.4:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

More vulnerabilities in Sam2p Project Sam2p

CVE-2018-12601 — Critical (CVSS 9.8): There is a heap-based buffer overflow in ReadImage in input-tga.ci in sam2p 0.49.4 that leads to a denial of service or…
CVE-2018-12578 — Critical (CVSS 9.8): There is a heap-based buffer overflow in bmp_compress1_row in appliers.cpp in sam2p 0.49.4 that leads to a denial of…
CVE-2018-7554 — Critical (CVSS 9.8): There is an invalid free in ReadImage in input-bmp.ci that leads to a Segmentation fault in sam2p 0.49.4. A crafted…
CVE-2018-7553 — Critical (CVSS 9.8): There is a heap-based buffer overflow in the pcxLoadRaster function of in_pcx.cpp in sam2p 0.49.4. A crafted input will…
CVE-2018-7552 — Critical (CVSS 9.8): There is an invalid free in Mapping::DoubleHash::clear in mapping.cpp that leads to a Segmentation fault in sam2p…
CVE-2017-14637 — Critical (CVSS 9.8): In sam2p 0.49.3, there is an invalid read of size 2 in the parse_rgb function in in_xpm.cpp. However, this can also…

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Other CWE-416 (Use After Free) vulnerabilities

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CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…

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