{"answers":{"affected":"2 open source packages ship an affected version, including golang and stdlib. It affects 1 product.","exploited":"There is no known exploitation of CVE-2025-61727 in the wild and no public exploit code.","fix":"Upgrade golang to a fixed version for your release line: 1.24.11 or 1.25.5.","what":"CVE-2025-61727 is a medium-severity vulnerability in Golang Go, published on 3 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2025-61727 and fix it if it is affected.\n\nWhat it is: CVE-2025-61727 is a medium-severity vulnerability in Golang Go, published on 3 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2025-61727 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- golang (Bitnami): affected all versions; fixed in 1.24.11, 1.25.5\n- stdlib (Go): affected all versions; fixed in 1.24.11, 1.25.5\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2025-61727/ (Markdown: https://insights.sbomify.com/CVE-2025-61727/index.md)","id":"CVE-2025-61727","markdown":"https://insights.sbomify.com/CVE-2025-61727/index.md","name":"CVE-2025-61727","record":{"aliases":["AZL-71447","AZL-71635","AZL-78927","AZL-98646","BELL-CVE-2025-61727","BIT-golang-2025-61727","CLEANSTART-2026-FP06754","CLEANSTART-2026-NB05641","CLEANSTART-2026-PD73403","CLEANSTART-2026-ZG24378","CLEANSTART-2026-ZZ46372","DEBIAN-CVE-2025-61727","ECHO-1a65-69ef-ad72","GHSA-5mh9-3jwc-rp59","GO-2025-4175","MINI-23xw-8vr2-3crc","MINI-25hj-jgw5-g235","MINI-272j-9775-w3vh","MINI-2938-qp77-c5mh","MINI-2c6f-3jgr-3g64","MINI-2fhv-9wfj-x57j","MINI-2gwm-f3xg-vxxm","MINI-2h6h-mwg3-2mq9","MINI-2hjc-rrjf-j3q8","MINI-2jjf-r9cq-cg2f","MINI-2jv3-pxg6-3q6g","MINI-2m3r-chh2-729h","MINI-2pvg-jg9p-3h27","MINI-2x36-h5pg-c4fc","MINI-2xq2-7w22-x7h5","MINI-342c-fqf3-h3m6","MINI-3574-v2mx-ccj5","MINI-35gj-m79r-cgqx","MINI-3898-55x7-fcq7","MINI-3c2g-85mj-4fjw","MINI-3f5v-68hj-hfrx","MINI-3fhf-xrc7-7xvj","MINI-3fvq-rfr6-7mv9","MINI-3jpg-6j7v-r6hm","MINI-3phf-x78p-xvpg","MINI-3q78-p5f3-w2cc","MINI-3qhc-pcq5-92rx","MINI-3v5m-2c9m-x7wh","MINI-3v78-fv7q-q8f6","MINI-3vvg-v562-g977","MINI-43vv-rq7j-fhph","MINI-4422-w99f-fv2p","MINI-4822-f4v2-cpfj","MINI-49p4-wcwc-pqmm","MINI-4c6h-v9w3-gg2x","MINI-4crr-h3c9-2wfg","MINI-4j4g-qv3r-v2hf","MINI-4qq4-q3mw-fj92","MINI-4qww-mpww-6xv3","MINI-4vh5-rrj2-787j","MINI-4vw3-78qx-hh7p","MINI-4wfm-v5v8-mph9","MINI-4wfp-w3fm-ghh8","MINI-4wrj-w5wc-2m7c","MINI-4wwq-p7gj-pv2w","MINI-4xv2-5hjc-m623","MINI-523f-hfrj-3vc2","MINI-52vc-2v24-rfm7","MINI-53wg-r528-76qj","MINI-53xh-8cm3-f5x2","MINI-56hm-hc39-r3w2","MINI-56jv-6g2h-r7pg","MINI-57rf-g5jw-9jf5","MINI-5fg4-jrq3-qqqp","MINI-5gx4-h6hg-62ww","MINI-5j24-634f-5cmh","MINI-5j9w-pm94-f723","MINI-5r65-gwwx-xqr6","MINI-5rjv-vv73-rf7j","MINI-5v5j-vj9f-2r8h","MINI-5v5r-gm5q-c76x","MINI-5wpj-8rf3-c276","MINI-5wv6-2qfq-5594","MINI-5wxc-wvx9-9pqf","MINI-62fh-fgw8-rr2c","MINI-6432-3p7m-gfqh","MINI-64f4-m762-9rc2","MINI-64xm-m6fv-rfgw","MINI-658j-xj2x-hvc8","MINI-662r-xhw4-p675","MINI-674g-mfw2-92pc","MINI-68g3-98hf-w3p9","MINI-6972-33v3-m9qg","MINI-6ghg-v5mm-x65h","MINI-6jm8-6x9p-73q5","MINI-6m98-865m-2g7w","MINI-6m9c-fgh8-xgwr","MINI-6p3v-99w2-5pvf","MINI-6pqv-w6g2-2ww2","MINI-6wcx-vjg8-rrx8","MINI-6wph-9vp8-47jh","MINI-73gc-q8pc-25qc","MINI-7486-766q-hf62","MINI-74rx-8hvf-q2gx","MINI-74vm-6qxv-4hp5","MINI-75gv-cx7q-6jwh","MINI-793r-mpmf-4vxf","MINI-7963-mjw2-7xrm","MINI-7fx4-rx6x-rj47","MINI-7ghp-mmm7-83p7","MINI-7h38-4phv-2r76","MINI-7jp3-jv58-85cw","MINI-7mjh-crf2-vfmg","MINI-7p6p-3jxc-5x2w","MINI-7qhv-c52p-q2q9","MINI-7qjj-79wj-34mw","MINI-7qrg-fq6g-pr36","MINI-7w87-prcc-768x","MINI-7xxp-9f9q-24p4","MINI-85fj-vxrm-p3c2","MINI-869w-3xm4-vmvg","MINI-87gq-6xm3-xffc","MINI-88f9-wg47-g4h8","MINI-89f7-8qv9-wf4c","MINI-89wv-h487-cv74","MINI-8c4g-9qjw-rpxf","MINI-8h4r-4jvh-2j34","MINI-8jhp-rf76-mrq3","MINI-8pmw-93xc-fw4r","MINI-8pw8-h7wc-x24f","MINI-8pwm-chq6-rhxf","MINI-8q5r-7qc4-52fc","MINI-8r63-7w97-j9qp","MINI-8vf7-84wr-gv56","MINI-8w8x-3xjg-xc7q","MINI-93v6-6h6g-x6fg","MINI-93w5-cgjq-ch2h","MINI-94c2-5p6g-f4gx","MINI-9755-q55q-w647","MINI-976x-p7pw-94v9","MINI-97h8-5q26-7fwf","MINI-99x6-4v69-hxvw","MINI-9h6f-w9gw-ggp4","MINI-9hx3-4p57-rh4q","MINI-9mvq-qcfx-2frh","MINI-9pph-6m3f-jh27","MINI-9r83-3p54-7w5m","MINI-9w7m-2g7j-q6h3","MINI-9x77-qrw6-729j","MINI-9xhm-v4mj-44jm","MINI-c2fm-44qx-7jx4","MINI-c3g2-6pjh-p3pg","MINI-c743-6qf6-cchh","MINI-c95g-q25x-ch26","MINI-c9f7-fx85-wh2j","MINI-cjmq-3f7j-q2f2","MINI-cjp8-j94j-9q3j","MINI-cjph-m5rv-x2cc","MINI-cp46-vp43-vvfx","MINI-cpv3-4jqv-vwg2","MINI-cr25-r9xp-2hrp","MINI-crc3-6wv7-h5m9","MINI-cvgg-xr8p-pg67","MINI-cvw9-q677-482v","MINI-cwrh-v58q-746r","MINI-cxgj-c28h-q959","MINI-f458-mwqj-mw4r","MINI-f468-x266-vq97","MINI-f594-x2rj-2j7f","MINI-f5rh-pfmf-xfxx","MINI-f6p6-9mqq-5gp5","MINI-f7c3-h2gg-hj8m","MINI-f878-2wwf-39c5","MINI-f93f-mw46-3vqq","MINI-f9x9-hwr4-vr98","MINI-fc65-m9q8-q3pg","MINI-fcx5-p436-gqcj","MINI-fhj2-c36v-f5m3","MINI-fjx5-q444-vj2f","MINI-fm6f-m7ww-6cwr","MINI-fmx6-vg2j-6f8x","MINI-fp7j-cpjq-j6mw","MINI-fv2j-fq9r-q88h","MINI-fv3h-56h9-942m","MINI-fw79-99m2-f8m5","MINI-fwc2-6mwp-p9cp","MINI-fxjp-m895-rchm","MINI-g28m-3987-jgmj","MINI-g3fm-g7mf-h2h9","MINI-g7p8-mwh8-2q2w","MINI-g7vp-g233-9rmj","MINI-g9g8-gwj6-855w","MINI-gchp-6pph-6w3g","MINI-gf33-g9f3-2734","MINI-gfv9-3vrx-hgff","MINI-ggxq-6j78-4wj9","MINI-ghx7-f467-8p6g","MINI-gp9c-cvhj-gg26","MINI-gph4-8hx2-9q28","MINI-gppf-7g72-326w","MINI-grx6-v45c-vxv9","MINI-gvvm-qjxh-4hcx","MINI-h3c5-c8gh-5fhp","MINI-h689-8gfx-j25m","MINI-h76c-v54m-w44c","MINI-h7c4-fx8x-323r","MINI-h7wm-7wm5-r5p2","MINI-h987-w5fj-vvm9","MINI-h988-7gvq-mqr7","MINI-h9wp-9498-cf78","MINI-hcfr-94rw-pvrg","MINI-hcj8-xpw9-j4rc","MINI-hfc7-p56f-crjj","MINI-hfx3-38vv-4vrw","MINI-hj8v-4f6p-4q8p","MINI-hm3r-qmph-vg5h","MINI-hpm3-g6gp-5xx3","MINI-hqc5-j76h-p7vg","MINI-hr25-3w72-5cch","MINI-hr87-vqfg-f49f","MINI-hr8h-5267-g6g2","MINI-hrpg-hxw9-9hc6","MINI-hwwj-6mh7-6hmx","MINI-hx98-xpq8-4jc6","MINI-j4g4-qp8r-r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crypto/x509 library","requires_auth":"none","summary":"Attackers can bypass DNS name constraints in certificate chains by using wildcard SANs, potentially enabling man-in-the-middle attacks.","user_interaction":"not_required","vuln_class":"security_feature_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Go","cpe":[{"product":"go","vendor":"golang"}],"cvss":{"score":6.5,"severity":"medium","source":"cisa-adp","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"cwes":[{"id":"CWE-295","name":"Improper Certificate Validation"}],"description":"An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not prevent a leaf certificate from claiming the SAN *.example.com.","ecosystems":["Bitnami","Go","Red Hat:hummingbird:1","openSUSE:Tumbleweed"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"Improper application of excluded DNS name constraints when verifying wildcard names in crypto/x509","id":"CVE-2025-61727","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Bitnami","product":"golang:go","products":["golang:go"],"type":"security_feature_bypass","year":"2025"},"n_packages":10,"n_references":4,"next":{"headline":"Excessive CPU consumption when building archive index in archive/zip","id":"CVE-2025-61728"},"packages":[{"ecosystem":"Bitnami","fixed":["1.24.11","1.25.5"],"introduced":["0","1.25.0"],"last_affected":[],"package":"golang","purl":"pkg:bitnami/golang","source":"BIT-golang-2025-61727"},{"ecosystem":"Go","fixed":["1.24.11","1.25.5"],"introduced":["0","1.25.0"],"last_affected":[],"package":"stdlib","purl":"pkg:golang/stdlib","source":"GO-2025-4175"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.25.8-0.1.hum1"],"introduced":["0"],"last_affected":[],"package":"golang-fips1.25","purl":"pkg:rpm/redhat/golang-fips1.25","source":"RHSA-2026:7070"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.25.8-0.1.hum1"],"introduced":["0"],"last_affected":[],"package":"golang-fips1.25-bin","purl":"pkg:rpm/redhat/golang-fips1.25-bin","source":"RHSA-2026:7070"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.25.8-0.1.hum1"],"introduced":["0"],"last_affected":[],"package":"golang-fips1.25-docs","purl":"pkg:rpm/redhat/golang-fips1.25-docs","source":"RHSA-2026:7070"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.25.8-0.1.hum1"],"introduced":["0"],"last_affected":[],"package":"golang-fips1.25-misc","purl":"pkg:rpm/redhat/golang-fips1.25-misc","source":"RHSA-2026:7070"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.25.8-0.1.hum1"],"introduced":["0"],"last_affected":[],"package":"golang-fips1.25-race","purl":"pkg:rpm/redhat/golang-fips1.25-race","source":"RHSA-2026:7070"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.25.8-0.1.hum1"],"introduced":["0"],"last_affected":[],"package":"golang-fips1.25-src","purl":"pkg:rpm/redhat/golang-fips1.25-src","source":"RHSA-2026:7070"},{"ecosystem":"Red Hat:hummingbird:1","fixed":["0:1.25.8-0.1.hum1"],"introduced":["0"],"last_affected":[],"package":"golang-fips1.25-tests","purl":"pkg:rpm/redhat/golang-fips1.25-tests","source":"RHSA-2026:7070"},{"ecosystem":"openSUSE:Tumbleweed","fixed":["0.2.14-1.1"],"introduced":["0"],"last_affected":[],"package":"kubelogin","purl":"pkg:rpm/opensuse/kubelogin\u0026distro=openSUSE%20Tumbleweed","source":"openSUSE-SU-2026:10031-1"}],"prev":{"headline":"Memory exhaustion in query parameter parsing in net/url","id":"CVE-2025-61726"},"products":["crypto/x509"],"published":"2025-12-03","related":[{"cvss_score":8.1,"headline":"Microsoft Windows CryptoAPI Spoofing","id":"CVE-2020-0601","kev_date_added":"2021-11-03","published":"2020-01-14"},{"cvss_score":9.8,"headline":"Missing bound checks can lead to memory corruption in safe Go in cmd/compile","id":"CVE-2026-27143","kev_date_added":null,"published":"2026-04-08"},{"cvss_score":9.8,"headline":"Unexpected behavior from Is methods for IPv4-mapped IPv6 addresses in net/netip","id":"CVE-2024-24790","kev_date_added":null,"published":"2024-06-05"},{"cvss_score":9.8,"headline":"Arbitrary code execution via go.mod toolchain directive in cmd/go","id":"CVE-2023-39320","kev_date_added":null,"published":"2023-09-08"},{"cvss_score":9.8,"headline":"Improper handling of JavaScript whitespace in html/template","id":"CVE-2023-24540","kev_date_added":null,"published":"2023-05-11"},{"cvss_score":9.8,"headline":"Backticks not treated as string delimiters in html/template","id":"CVE-2023-24538","kev_date_added":null,"published":"2023-04-06"},{"cvss_score":9.8,"headline":"Other in go/golang","id":"CVE-2012-2666","kev_date_added":null,"published":"2021-07-09"}],"sources":[{"class":"attribution","licence":"Apache-2.0","name":"Bitnami","prefix":"BIT"},{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"Go Vulnerability Database","prefix":"GO"},{"class":"attribution","licence":"CC BY 4.0","name":"Red Hat","prefix":"RHSA"},{"class":"attribution","licence":"CC BY 4.0","name":"SUSE","prefix":"openSUSE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2025-12-03","vendors":["Go standard library"]},"summary":"Attackers can bypass DNS name constraints in certificate chains by using wildcard SANs, potentially enabling man-in-the-middle attacks.","url":"https://insights.sbomify.com/CVE-2025-61727/"}