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GitHub Advisory Database

Security vulnerability database inclusive of CVEs and GitHub originated security advisories from the world of open source software.

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33 advisories

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brace-expansion: Quadratic-time expansion of the `{a},b}` rewrite causes CPU denial of service Moderate
CVE-2026-102277 was published for brace-expansion (npm) Sep 29, 2026
G-Rath Credited to G-Rath and katzj katzj katzj
Nodemailer: Quadratic backtracking in the addressparser free-text fallback allows remote denial of service High
GHSA-v53p-9fqp-m79j was published for nodemailer (npm) Sep 29, 2026
markdown-it linkify: true has two quadratic paths, so a few hundred KB of markdown blocks the event loop for tens of seconds Moderate
GHSA-253c-mchw-3w2r was published for markdown-it (npm) Sep 29, 2026
NotAFlightRisk Credited to NotAFlightRisk and lissy93 lissy93 lissy93
js-yaml: maxTotalMergeKeys does not limit CPU use for empty merge sources Moderate
GHSA-r3ph-w7gj-g6xm was published for js-yaml (npm) Sep 29, 2026
elysia has Inefficient Algorithmic Complexity and Interpretation Conflict High
CVE-2026-56669 was published for elysia (npm) Sep 23, 2026
jviide Credited to jviide
Nodemailer: Quadratic (O(n²)) time complexity in addressparser allows remote denial of service via a crafted address list High
GHSA-2x7j-588g-ccc2 was published for nodemailer (npm) Sep 8, 2026
e1abrador Credited to e1abrador
js-yaml: maxTotalMergeKeys does not limit CPU use for empty merge sources High
CVE-2026-84375 was published for js-yaml (npm) Sep 8, 2026
xmldom: Quadratic-time attribute deduplication High
CVE-2026-83613 was published for @xmldom/xmldom (npm) Sep 8, 2026
karfau Credited to karfau
xmldom: Quadratic-time parsing via the malformed-input recovery path — `parseElementStartPart` re-scan and `normalize()` adjacent-text merge High
CVE-2026-83614 was published for @xmldom/xmldom (npm) Sep 8, 2026
karfau Credited to karfau and Solan23 Solan23 Solan23
stream-json: pick/ignore/filter/replace filters are O(depth²) on nested input — small crafted JSON blocks the event loop for seconds→minutes (DoS) Moderate
CVE-2026-71429 was published for stream-json (npm) Sep 3, 2026
ataberk-xyz Credited to ataberk-xyz
decode-uri-component: Denial of service via exponential decoding of malformed percent-encoded input Moderate
CVE-2026-45822 was published for decode-uri-component (npm) Aug 31, 2026
bnbdr Credited to bnbdr
Hono: Algorithmic Complexity DoS in Language Middleware Moderate
CVE-2026-71848 was published for hono (npm) Aug 7, 2026
JS-YAML: Quadratic CPU consumption in !!omap resolution (3.x and 4.x) — CVE-2026-59870 fix not backported High
GHSA-5p4m-2wfm-xmqj was published for js-yaml (npm) Aug 6, 2026
0xsharz Credited to 0xsharz
Nuxt: Unauthenticated CPU exhaustion parsing and hashing the Nuxt island endpoint body before hash validation High
CVE-2026-71321 was published for nuxt (npm) Aug 5, 2026
dinhvaren Credited to dinhvaren
Shescape: Quadratic-time denial of service in the flag-protection High
CVE-2026-73413 was published for shescape (npm) Jul 24, 2026
oran-s Credited to oran-s and ericcornelissen ericcornelissen ericcornelissen
js-yaml: Exponential parsing time in flow collections leads to denial of service High
CVE-2026-73643 was published for js-yaml (npm) Jul 24, 2026
lissy93 Credited to lissy93
React Router: Unauthenticated Denial of Service via Inefficient Route Matching High
CVE-2026-55685 was published for react-router (npm) Jul 24, 2026
dinhvaren Credited to dinhvaren
Next.js: Denial of Service in the Image Optimization API using SVGs Moderate
CVE-2026-64644 was published for next (npm) Jul 22, 2026
idealinsane Credited to idealinsane
linkify-it: Quadratic-complexity DoS via the `mailto:` validator scan-loop on attacker text High
CVE-2026-59887 was published for linkify-it (npm) Jul 21, 2026
bibu123456 Credited to bibu123456 and Kayiz-PT Kayiz-PT Kayiz-PT
Immutable: Hash-collision algorithmic complexity denial of service in Immutable.Map/Set High
CVE-2026-59880 was published for immutable (npm) Jul 21, 2026
nvth Credited to nvth, 36degrees, jdeniau, chintan-ladani-coherent, ravali-ch15, and domcleal 36degrees 36degrees
jdeniau jdeniau chintan-ladani-coherent chintan-ladani-coherent ravali-ch15 ravali-ch15 domcleal domcleal
shell-quote: Quadratic-complexity Denial of Service in `parse()` (CWE-407) High
CVE-2026-13311 was published for shell-quote (npm) Jul 20, 2026
bibu123456 Credited to bibu123456, Kayiz-PT, and ljharb Kayiz-PT Kayiz-PT
ljharb ljharb
js-yaml: YAML merge-key chains can force quadratic CPU consumption in js-yaml Moderate
CVE-2026-59868 was published for js-yaml (npm) Jul 20, 2026
mazze93 Credited to mazze93
js-yaml: YAML merge-key chains can force quadratic CPU consumption High
CVE-2026-59869 was published for js-yaml (npm) Jul 20, 2026
mazze93 Credited to mazze93
js-yaml: Quadratic-complexity (O(n^2)) DoS via !!omap tag in YAML11_SCHEMA Moderate
CVE-2026-59870 was published for js-yaml (npm) Jul 20, 2026
usama0x01 Credited to usama0x01
brace-expansion: DoS via exponential-time expansion of consecutive non-expanding {} groups High
CVE-2026-13149 was published for brace-expansion (npm) Jul 20, 2026
bnbdr Credited to bnbdr, ljharb, and juliangruber ljharb ljharb
juliangruber juliangruber
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