CVE-2017-10687
CVE-2017-10687 is a high-severity vulnerability in Libsass with a CVSS 3.x base score of 7.5. 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-125.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Libsass
- Published:
- Last modified:
Description
In LibSass 3.4.5, there is a heap-based buffer over-read in the function json_mkstream() in sass_context.cpp. A crafted input will lead to a remote denial of service attack.
Frequently asked questions
- What is CVE-2017-10687?
- In LibSass 3.4.5, there is a heap-based buffer over-read in the function json_mkstream() in sass_context.cpp. A crafted input will lead to a remote denial of service attack.
- How severe is CVE-2017-10687?
- CVE-2017-10687 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2017-10687 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-10687?
- CVE-2017-10687 affects Libsass. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-10687?
- 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-2017-10687 published?
- CVE-2017-10687 was published on 2017-06-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:libsass:libsass:3.4.5:*:*:*:*:*:*:*
More vulnerabilities in Libsass
- CVE-2017-12964 — High (CVSS 7.5): There is a stack consumption issue in LibSass 3.4.5 that is triggered in the function Sass::Eval::operator() in…
- CVE-2017-12963 — High (CVSS 7.5): There is an illegal address access in Sass::Eval::operator() in eval.cpp of LibSass 3.4.5, leading to a remote denial…
- CVE-2017-12962 — High (CVSS 7.5): There are memory leaks in LibSass 3.4.5 triggered by deeply nested code, such as code with a long sequence of open…
- CVE-2017-11556 — High (CVSS 7.5): There is a stack consumption vulnerability in the Parser::advanceToNextToken function in parser.cpp in LibSass 3.4.5. A…
- CVE-2017-11555 — High (CVSS 7.5): There is an illegal address access in the Eval::operator function in eval.cpp in LibSass 3.4.5. A crafted input will…
- CVE-2017-11554 — High (CVSS 7.5): There is a stack consumption vulnerability in the lex function in parser.hpp (as used in sassc) in LibSass 3.4.5. A…
Other CWE-125 (Out-of-bounds Read) vulnerabilities
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- CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
- CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
- CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
- CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
- CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…