Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/75977?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/75977?format=api", "vulnerability_id": "VCID-9mdg-1dc3-dueg", "summary": "Multiple integer overflows in the evbuffer API in Libevent 1.4.x before 1.4.15, 2.0.x before 2.0.22, and 2.1.x before 2.1.5-beta allow context-dependent attackers to cause a denial of service or possibly have other unspecified impact via \"insanely large inputs\" to the (1) evbuffer_add, (2) evbuffer_expand, or (3) bufferevent_write function, which triggers a heap-based buffer overflow or an infinite loop. NOTE: this identifier has been SPLIT per ADT3 due to different affected versions. See CVE-2015-6525 for the functions that are only affected in 2.0 and later.", "aliases": [ { "alias": "CVE-2014-6272" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/4755?format=api", "purl": "pkg:deb/debian/libevent@2.0.19-stable-3%2Bdeb7u1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-76bw-4hry-77bq" }, { "vulnerability": "VCID-9mdg-1dc3-dueg" }, { "vulnerability": "VCID-h47s-xx3j-33eq" }, { "vulnerability": "VCID-mhtm-6myj-5yax" }, { "vulnerability": "VCID-rhx2-e6nu-vyc9" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libevent@2.0.19-stable-3%252Bdeb7u1" }, { "url": "http://public2.vulnerablecode.io/api/packages/101683?format=api", "purl": "pkg:deb/debian/libevent@2.0.21-stable-2?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libevent@2.0.21-stable-2%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/4756?format=api", "purl": "pkg:deb/debian/libevent@2.0.21-stable-2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-76bw-4hry-77bq" }, { "vulnerability": "VCID-h47s-xx3j-33eq" }, { "vulnerability": "VCID-rhx2-e6nu-vyc9" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libevent@2.0.21-stable-2" }, { "url": "http://public2.vulnerablecode.io/api/packages/101681?format=api", "purl": "pkg:deb/debian/libevent@2.1.12-stable-1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libevent@2.1.12-stable-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/101679?format=api", "purl": "pkg:deb/debian/libevent@2.1.12-stable-8?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libevent@2.1.12-stable-8%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/101682?format=api", "purl": "pkg:deb/debian/libevent@2.1.12-stable-10?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libevent@2.1.12-stable-10%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/506415?format=api", "purl": "pkg:ebuild/dev-libs/libevent@2.0.22", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:ebuild/dev-libs/libevent@2.0.22" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/4750?format=api", "purl": "pkg:deb/debian/libevent@1.0b-1.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-76bw-4hry-77bq" }, { "vulnerability": "VCID-9mdg-1dc3-dueg" }, { "vulnerability": "VCID-h47s-xx3j-33eq" }, { "vulnerability": "VCID-mhtm-6myj-5yax" }, { "vulnerability": "VCID-rhx2-e6nu-vyc9" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libevent@1.0b-1.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/4751?format=api", "purl": "pkg:deb/debian/libevent@1.1a-1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-76bw-4hry-77bq" }, { "vulnerability": "VCID-9mdg-1dc3-dueg" }, { "vulnerability": "VCID-h47s-xx3j-33eq" }, { "vulnerability": "VCID-mhtm-6myj-5yax" }, { "vulnerability": "VCID-rhx2-e6nu-vyc9" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libevent@1.1a-1" }, { "url": "http://public2.vulnerablecode.io/api/packages/4752?format=api", "purl": "pkg:deb/debian/libevent@1.3e-3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-76bw-4hry-77bq" }, { "vulnerability": "VCID-9mdg-1dc3-dueg" }, { "vulnerability": "VCID-h47s-xx3j-33eq" }, { "vulnerability": "VCID-mhtm-6myj-5yax" }, { "vulnerability": "VCID-rhx2-e6nu-vyc9" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libevent@1.3e-3" }, { "url": "http://public2.vulnerablecode.io/api/packages/4753?format=api", "purl": "pkg:deb/debian/libevent@1.4.13-stable-1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-76bw-4hry-77bq" }, { "vulnerability": "VCID-9mdg-1dc3-dueg" }, { "vulnerability": "VCID-h47s-xx3j-33eq" }, { "vulnerability": "VCID-mhtm-6myj-5yax" }, { "vulnerability": "VCID-rhx2-e6nu-vyc9" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libevent@1.4.13-stable-1" }, { "url": "http://public2.vulnerablecode.io/api/packages/4754?format=api", "purl": "pkg:deb/debian/libevent@1.4.13-stable-1%2Bdeb6u1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-76bw-4hry-77bq" }, { "vulnerability": "VCID-9mdg-1dc3-dueg" }, { "vulnerability": "VCID-h47s-xx3j-33eq" }, { "vulnerability": "VCID-mhtm-6myj-5yax" }, { "vulnerability": "VCID-rhx2-e6nu-vyc9" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libevent@1.4.13-stable-1%252Bdeb6u1" }, { "url": "http://public2.vulnerablecode.io/api/packages/4755?format=api", "purl": "pkg:deb/debian/libevent@2.0.19-stable-3%2Bdeb7u1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-76bw-4hry-77bq" }, { "vulnerability": "VCID-9mdg-1dc3-dueg" }, { "vulnerability": "VCID-h47s-xx3j-33eq" }, { "vulnerability": "VCID-mhtm-6myj-5yax" }, { "vulnerability": "VCID-rhx2-e6nu-vyc9" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libevent@2.0.19-stable-3%252Bdeb7u1" } ], "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2014-6272.json", "reference_id": "", "reference_type": "", "scores": [], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2014-6272.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2014-6272", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.01085", "scoring_system": "epss", "scoring_elements": "0.78223", "published_at": "2026-06-04T12:55:00Z" }, { "value": "0.01085", "scoring_system": "epss", "scoring_elements": "0.78249", "published_at": "2026-06-05T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2014-6272" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6272", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6272" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6525", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6525" }, { "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "2.6", "scoring_system": "cvssv2", "scoring_elements": "AV:L/AC:H/Au:N/C:N/I:P/A:P" } ], "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1144646", "reference_id": "1144646", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1144646" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=774645", "reference_id": "774645", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=774645" }, { "reference_url": "https://security.gentoo.org/glsa/201502-07", "reference_id": "GLSA-201502-07", "reference_type": "", "scores": [], "url": "https://security.gentoo.org/glsa/201502-07" }, { "reference_url": "https://usn.ubuntu.com/2477-1/", "reference_id": "USN-2477-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/2477-1/" } ], "weaknesses": [ { "cwe_id": 190, "name": "Integer Overflow or Wraparound", "description": "The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control." }, { "cwe_id": 122, "name": "Heap-based Buffer Overflow", "description": "A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc()." }, { "cwe_id": 835, "name": "Loop with Unreachable Exit Condition ('Infinite Loop')", "description": "The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop." } ], "exploits": [], "severity_range_score": "2.6 - 2.6", "exploitability": "0.5", "weighted_severity": "0.0", "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-9mdg-1dc3-dueg" }