Medium
libxmp through 4.7.4 Stack Out-of-Bounds Read via P61A Depacker
Type: advisorySources: OSV
libxmp through 4.7.4 contains an off-by-one stack out-of-bounds read vulnerability in the prowizard P61A depacker depack_p61a() in src/loaders/prowizard/p61a.c. Attackers can supply a crafted headerless P61A module with 31 samples and a 0xffe0 back-reference size word to leak stack memory into sample metadata or disrupt loading.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-111131
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 08:38 UTC · Revision 1
Source evidence
libxmp through 4.7.4 Stack Out-of-Bounds Read via P61A Depacker
core-osv · Original sourcePublished 15 Oct 2026, 18:57 UTC
libxmp through 4.7.4 contains an off-by-one stack out-of-bounds read vulnerability in the prowizard P61A depacker depack_p61a() in src/loaders/prowizard/p61a.c. Attackers can supply a crafted headerless P61A module with 31 samples and a 0xffe0 back-reference size word to leak stack memory into sample metadata or disrupt loading.
osv:CVE-2026-111131
Complete source record
{
"id": "1fd8453428cc5410ae83b2f02319dad53eb0b4ee21ee4739417ab0472eb0e86f",
"url": "https://osv.dev/vulnerability/CVE-2026-111131",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "libxmp through 4.7.4 Stack Out-of-Bounds Read via P61A Depacker",
"summary": "libxmp through 4.7.4 contains an off-by-one stack out-of-bounds read vulnerability in the prowizard P61A depacker depack_p61a() in src/loaders/prowizard/p61a.c. Attackers can supply a crafted headerless P61A module with 31 samples and a 0xffe0 back-reference size word to leak stack memory into sample metadata or disrupt loading.",
"evidence": "osv:CVE-2026-111131",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-111131",
"aliases": [
"CVE-2026-111131"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/libxmp/libxmp",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "5d4f6aa2c7dcdf8e9cd8129fe579d45b36a302da"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"last_affected": "4.7.4"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"introduced": "0"
},
{
"last_affected": "4.7.4"
}
],
"source": "DESCRIPTION"
}
]
}
}
],
"versions": [
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"libxmp-4.7.3",
"libxmp-4.7.2",
"libxmp-4.7.1",
"libxmp-4.7.0",
"libxmp-4.6.3",
"libxmp-4.6.2",
"libxmp-4.6.1",
"libxmp-4.6.0",
"libxmp-4.5.0",
"libxmp-4.4.1",
"libxmp-4.4.0",
"libxmp-4.3.13",
"libxmp-4.3.12",
"libxmp-4.3.11",
"libxmp-4.3.10",
"libxmp-4.3.9",
"libxmp-4.3.8",
"libxmp-4.3.7",
"libxmp-4.3.6",
"libxmp-4.3.5",
"libxmp-4.3.4",
"libxmp-4.3.3",
"libxmp-4.3.2",
"libxmp-4.3.1",
"libxmp-4.3.0",
"libxmp-4.2.8",
"libxmp-4.2.7",
"libxmp-4.2.6",
"libxmp-4.2.5",
"libxmp-4.2.4",
"libxmp-4.2.3",
"libxmp-4.2.2",
"libxmp-4.2.1",
"libxmp-4.2.0",
"android-3.6.2",
"libxmp-4.1.5",
"xmp-4.0.6",
"libxmp-4.1.4",
"xmp-4.0.5",
"libxmp-4.1.3",
"libxmp-4.1.2",
"xmp-4.0.4",
"libxmp-4.1.1",
"libxmp-4.1.0",
"xmp-4.0.3",
"android-3.6.0",
"api-4.0",
"xmp-4.0.2",
"libxmp-4.0.4",
"android-3.5.0",
"libxmp-4.0.3",
"libxmp-4.0.2",
"android-3.4.4",
"xmp-4.0.1",
"libxmp-4.0.1",
"libxmp-4.0.0",
"xmp-4.0.0",
"android-3.4.3",
"android-3.4.2",
"android-3.4.1",
"android-3.4.0",
"android-3.3.0",
"xmp-3.9.1",
"libxmp-3.9.4",
"android-3.2.1",
"android-3.2.0",
"android-3.1.2",
"android-3.1.1",
"libxmp-3.9.1",
"xmp-3.9.0",
"libxmp-3.9.0",
"android-3.0.2",
"android-3.0.1",
"android-3.0.0",
"android-2.9.2",
"android-2.9.1",
"android-2.9.0",
"3.5.0",
"android-2.4.0",
"android-2.3.0",
"android-2.2.0",
"3.4.1",
"3.4.0",
"android-2.1.1",
"android-2.1.0",
"android-2.0.3",
"android-2.0.2",
"android-2.0.1",
"android-2.0.0",
"android-1.9.5",
"3.3.0",
"android-1.9.4",
"android-1.9.3",
"android-1.9.2",
"android-1.9.1",
"android-1.9",
"android-1.2",
"android-1.1",
"android-1.0.1",
"3.2.0",
"3.1.0",
"3.0.0",
"3.0.0-pre1",
"2.7.1",
"2.7.0-win32-amigaconf.patch",
"2.7.0",
"v2.6.2",
"v2.6.1",
"v2.6.0",
"git_import",
"2.5.1",
"import",
"2.5.0",
"2.4.1",
"2.4.0",
"2.3.2",
"2.3.1",
"2.3.0",
"2.2.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111131.json"
}
}
],
"modified": "2026-10-28T02:30:27.085600305Z",
"provider": "osv",
"references": [
"https://github.com",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111131.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-111131",
"https://www.vulncheck.com/advisories/libxmp-through-4.7.4-stack-out-of-bounds-read-via-p61a-depacker",
"https://github.com/libxmp/libxmp",
"https://github.com/libxmp/libxmp/blob/5d4f6aa2c7dcdf8e9cd8129fe579d45b36a302da/src/loaders/prowizard/p61a.c#L110-L116",
"https://github.com/libxmp/libxmp/blob/5d4f6aa2c7dcdf8e9cd8129fe579d45b36a302da/src/loaders/prowizard/p61a.c#L638-L641",
"https://hackmd.io/@haind-pwn/libxmp-p61a-sample-backreference-oob-read"
],
"provider_metadata": {
"cwe_ids": [
"CWE-125"
],
"cna_assigner": "VulnCheck",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111131.json"
}
},
"related_cves": [
{
"value": "CVE-2026-111131",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 493915,
"published_at": "2026-10-15T18:57:26.487+00:00"
}