CVE-2018-20591
CVE-2018-20591 is a medium-severity vulnerability in Libming 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-125.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (63rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Libming
- Published:
- Last modified:
Description
A heap-based buffer over-read was discovered in decompileJUMP function in util/decompile.c of libming v0.4.8. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by swftocxx.
Frequently asked questions
- What is CVE-2018-20591?
- A heap-based buffer over-read was discovered in decompileJUMP function in util/decompile.c of libming v0.4.8. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by swftocxx.
- How severe is CVE-2018-20591?
- CVE-2018-20591 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-2018-20591 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-20591?
- CVE-2018-20591 affects Libming. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-20591?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-20591 published?
- CVE-2018-20591 was published on 2018-12-30 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:libming:libming:0.4.8:*:*:*:*:*:*:*
More vulnerabilities in Libming
- CVE-2023-50628 — Critical (CVSS 9.8): Buffer Overflow vulnerability in libming version 0.4.8, allows attackers to execute arbitrary code and obtain sensitive…
- CVE-2020-11895 — Critical (CVSS 9.1): Ming (aka libming) 0.4.8 has a heap-based buffer over-read (2 bytes) in the function decompileIF() in decompile.c.
- CVE-2020-11894 — Critical (CVSS 9.1): Ming (aka libming) 0.4.8 has a heap-based buffer over-read (8 bytes) in the function decompileIF() in decompile.c.
- CVE-2019-16705 — Critical (CVSS 9.1): Ming (aka libming) 0.4.8 has an out of bounds read vulnerability in the function OpCode() in the decompile.c file in…
- CVE-2023-36239 — High (CVSS 8.8): libming listswf 0.4.7 was discovered to contain a buffer overflow in the parseSWF_DEFINEFONTINFO() function at parser.c.
- CVE-2023-31976 — High (CVSS 8.8): libming v0.4.8 was discovered to contain a stack buffer overflow via the function makeswf_preprocess at…
Other CWE-125 (Out-of-bounds Read) vulnerabilities
- CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
- 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…