{"schemaVersion":3,"id":"CVE-2025-9300","aliases":["UBUNTU-CVE-2025-9300","DEBIAN-CVE-2025-9300","openSUSE-SU-2025:15526-1"],"status":"published","duplicateOf":null,"title":null,"description":"A vulnerability was found in saitoha libsixel up to 1.10.3. Affected by this issue is the function sixel_debug_print_palette of the file src/encoder.c of the component img2sixel. The manipulation results in stack-based buffer overflow. The attack must be initiated from a local position. The exploit has been made public and could be used. The patch is identified as 316c086e79d66b62c0c4bc66229ee894e4fdb7d1. Applying a patch is advised to resolve this issue.","dates":{"published":"2025-08-21T13:02:08.108Z","modified":"2025-08-21T14:46:37.782Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":4.8,"severity":"medium","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":5.3,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":5.3,"severity":"medium","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"CVE.org","score":4.3,"severity":"medium","vector":"AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"OSV · Ubuntu","score":4.8,"severity":"medium","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","exploitability":null,"impact":null,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":4.6,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":4.6,"impact":9.8,"computed":true},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":1.9,"severity":"low","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:L/AC:L/Au:S/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00246,"percentile":0.14899,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":-0.0040000000000000105,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.0025},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0025,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0025,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0025,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0025,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0025,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0025,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00246,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00246,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00246,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00246,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00246,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00246,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00246,"percentile":0.14899}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.0025,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00248,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00246,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00246,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00246,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00246,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00246,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00246,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00246,"percentile":0.14899}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_B25847982ABFC808","name":"Exploit Reference (drive.google.com)","source":"reference","url":"https://drive.google.com/file/d/1IIvvRFgUQZcySqeoqXXhsxd0HZCjClJ7/view?usp=sharing","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"GITHUB_SAITOHA_LIBSIXEL","name":"Libsixel","source":"github","url":"https://github.com/saitoha/libsixel/issues/85","maturity":"poc","reliabilityScore":0.3,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"REF_3C4C6810C1A9C248","name":"Exploit Reference (vuldb.com)","source":"reference","url":"https://vuldb.com/?submit.632366","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":3,"weaknesses":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/119.html"},{"id":"CWE-121","name":"Stack-based Buffer Overflow","description":"A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).","type":"weakness","status":"Draft","abstraction":"Variant","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/121.html"},{"id":"CWE-787","name":"Out-of-bounds Write","description":"The product writes data past the end, or before the beginning, of the intended buffer.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/787.html"}],"affected":[{"vendor":"debian","product":"libsixel","name":"libsixel","label":"libsixel","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/libsixel","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null},{"text":"< 1:1.8.7-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"All versions (No fix recorded) | < 1:1.8.7-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"libsixel","name":"libsixel","label":"libsixel","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libsixel","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"opensuse","product":"libsixel&distro=openSUSE Tumbleweed","name":"libsixel","label":"libsixel&distro=openSUSE Tumbleweed","ecosystem":"openSUSE","cpePart":null,"purl":"pkg:rpm/opensuse/libsixel&distro=openSUSE Tumbleweed","purlType":"rpm","versions":[{"text":"< 1.10.5-2.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.10.5-2.1","eol":null,"hubHref":null},{"vendor":"saitoha","product":"libsixel","name":"libsixel","label":"libsixel","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"1.10.0","noFixRecorded":false,"fixedIn":null},{"text":"1.10.1","noFixRecorded":false,"fixedIn":null},{"text":"1.10.2","noFixRecorded":false,"fixedIn":null},{"text":"1.10.3","noFixRecorded":false,"fixedIn":null},{"text":"< 1.8.7","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.10.0 | 1.10.1 | 1.10.2 | 1.10.3 | < 1.8.7","eol":null,"hubHref":"/vendor/saitoha/libsixel"}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://vuldb.com/?id.320905","label":"vuldb.com?id.320905","hostname":"vuldb.com","tags":["VDB Entry","Technical Description","Third Party Advisory"]},{"url":"https://vuldb.com/?ctiid.320905","label":"vuldb.com?ctiid.320905","hostname":"vuldb.com","tags":["Signature","Permissions Required","VDB Entry"]},{"url":"https://vuldb.com/?submit.632366","label":"vuldb.com?submit.632366","hostname":"vuldb.com","tags":["Third Party Advisory","Exploit","VDB Entry"]},{"url":"https://github.com/saitoha/libsixel/issues/200","label":"github.com/saitoha/libsixel/issues/200","hostname":"github.com","tags":["Issue Tracking","Exploit"]},{"url":"https://github.com/saitoha/libsixel/issues/200#issuecomment-3178785635","label":"github.com/saitoha/libsixel/issues/200","hostname":"github.com","tags":["Issue Tracking","Exploit"]},{"url":"https://drive.google.com/file/d/1IIvvRFgUQZcySqeoqXXhsxd0HZCjClJ7/view?usp=sharing","label":"drive.google.com/file/d/1IIvvRFgUQZcySqeoqXXhsxd0HZCjClJ7/view?usp=sharing","hostname":"drive.google.com","tags":["Exploit"]},{"url":"https://github.com/saitoha/libsixel/commit/316c086e79d66b62c0c4bc66229ee894e4fdb7d1","label":"github.com/saitoha/libsixel/commit/316c086e79d66b62c0c4bc66229ee894e4fdb7d1","hostname":"github.com","tags":["Patch"]},{"url":"https://ubuntu.com/security/CVE-2025-9300","label":"ubuntu.com/security/CVE-2025-9300","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-9300","label":"www.cve.org/CVERecord?id=CVE-2025-9300","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-9300","label":"security-tracker.debian.org/tracker/CVE-2025-9300","hostname":"security-tracker.debian.org","tags":["Advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2025-9300","label":"www.suse.com/security/cve/CVE-2025-9300","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2025-08-21T13:02:08.108Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-08-21T14:46:37.782Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":41,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T22:52:02.487Z","stale":false,"partial":false}}