Fix CVE(s): CVE-2026-6474, CVE-2026-6478, CVE-2026-6637
* SECURITY UPDATE: Fix stack buffer overrun and SQL injection in refint contrib module - debian/patches/CVE-2026-6637.patch: Fix stack buffer overrun and SQL injection in refint contrib module, plus follow-up segfault fix in check_foreign_key() when a CASCADE update key value is NULL - CVE-2026-6637 * SECURITY UPDATE: Fix format-string memory disclosure via crafted time zone in timeofday() (also harden pg_strftime() error handling) - debian/patches/CVE-2026-6474.patch: Fix format-string memory disclosure via crafted time zone in timeofday() (also harden pg_strftime() error handling) - CVE-2026-6474 * SECURITY UPDATE: Use timingsafe_bcmp() in MD5 password and RADIUS authentication paths to prevent timing side-channel - debian/patches/CVE-2026-6478.patch: Use timingsafe_bcmp() in MD5 password and RADIUS authentication paths to prevent timing side-channel - CVE-2026-6478
- Products
- libecpg-compat3-9.6, libecpg-dev-9.6, libecpg6-9.6, libpgtypes3-9.6, libpq-dev-9.6, libpq5-9.6, postgresql-9.6, postgresql-client-9.6, postgresql-contrib-9.6, postgresql-doc-9.6, postgresql-plperl-9.6, postgresql-plpython-9.6, postgresql-plpython3-9.6, postgresql-pltcl-9.6, postgresql-server-dev-9.6
- Affected versions
- Not specified
- Fixed versions
- 9.6.24-0+deb10u1+tuxcare.els2
- CVEs
- CVE-2026-6474, CVE-2026-6478, CVE-2026-6637
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:18 UTC · Revision 1
Source evidence
Fix CVE(s): CVE-2026-6474, CVE-2026-6478, CVE-2026-6637
core-osv · Original sourcePublished 9 Jun 2026, 08:18 UTC
* SECURITY UPDATE: Fix stack buffer overrun and SQL injection in refint contrib module - debian/patches/CVE-2026-6637.patch: Fix stack buffer overrun and SQL injection in refint contrib module, plus follow-up segfault fix in check_foreign_key() when a CASCADE update key value is NULL - CVE-2026-6637 * SECURITY UPDATE: Fix format-string memory disclosure via crafted time zone in timeofday() (also harden pg_strftime() error handling) - debian/patches/CVE-2026-6474.patch: Fix format-string memory disclosure via crafted time zone in timeofday() (also harden pg_strftime() error handling) - CVE-2026-6474 * SECURITY UPDATE: Use timingsafe_bcmp() in MD5 password and RADIUS authentication paths to prevent timing side-channel - debian/patches/CVE-2026-6478.patch: Use timingsafe_bcmp() in MD5 password and RADIUS authentication paths to prevent timing side-channel - CVE-2026-6478
osv:CLSA-2026-1780993103
libecpg-compat3-9.6
Fixed versions: 9.6.24-0+deb10u1+tuxcare.els2
libecpg-dev-9.6
Fixed versions: 9.6.24-0+deb10u1+tuxcare.els2
libecpg6-9.6
Fixed versions: 9.6.24-0+deb10u1+tuxcare.els2
libpgtypes3-9.6
Fixed versions: 9.6.24-0+deb10u1+tuxcare.els2
libpq-dev-9.6
Fixed versions: 9.6.24-0+deb10u1+tuxcare.els2
libpq5-9.6
Fixed versions: 9.6.24-0+deb10u1+tuxcare.els2
postgresql-9.6
Fixed versions: 9.6.24-0+deb10u1+tuxcare.els2
postgresql-client-9.6
Fixed versions: 9.6.24-0+deb10u1+tuxcare.els2
postgresql-contrib-9.6
Fixed versions: 9.6.24-0+deb10u1+tuxcare.els2
postgresql-doc-9.6
Fixed versions: 9.6.24-0+deb10u1+tuxcare.els2
postgresql-plperl-9.6
Fixed versions: 9.6.24-0+deb10u1+tuxcare.els2
postgresql-plpython-9.6
Fixed versions: 9.6.24-0+deb10u1+tuxcare.els2
postgresql-plpython3-9.6
Fixed versions: 9.6.24-0+deb10u1+tuxcare.els2
postgresql-pltcl-9.6
Fixed versions: 9.6.24-0+deb10u1+tuxcare.els2
postgresql-server-dev-9.6
Fixed versions: 9.6.24-0+deb10u1+tuxcare.els2
Complete source record
{
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"url": "https://osv.dev/vulnerability/CLSA-2026-1780993103",
"method": "structured",
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"title": "Fix CVE(s): CVE-2026-6474, CVE-2026-6478, CVE-2026-6637",
"summary": "* SECURITY UPDATE: Fix stack buffer overrun and SQL injection in refint contrib module - debian/patches/CVE-2026-6637.patch: Fix stack buffer overrun and SQL injection in refint contrib module, plus follow-up segfault fix in check_foreign_key() when a CASCADE update key value is NULL - CVE-2026-6637 * SECURITY UPDATE: Fix format-string memory disclosure via crafted time zone in timeofday() (also harden pg_strftime() error handling) - debian/patches/CVE-2026-6474.patch: Fix format-string memory disclosure via crafted time zone in timeofday() (also harden pg_strftime() error handling) - CVE-2026-6474 * SECURITY UPDATE: Use timingsafe_bcmp() in MD5 password and RADIUS authentication paths to prevent timing side-channel - debian/patches/CVE-2026-6478.patch: Use timingsafe_bcmp() in MD5 password and RADIUS authentication paths to prevent timing side-channel - CVE-2026-6478",
"evidence": "osv:CLSA-2026-1780993103",
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{
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{
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"affected_versions": []
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{
"name": {
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"evidence": "/affected/9/package/name"
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"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/9/ranges"
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"affected_versions": []
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{
"name": {
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"evidence": "/affected/10/package/name"
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{
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"evidence": "/affected/11/package/name"
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{
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{
"name": {
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"evidence": "/affected/13/package/name"
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"fixed_versions": [
{
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"evidence": "/affected/13/ranges"
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"affected_versions": []
},
{
"name": {
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"evidence": "/affected/14/package/name"
},
"prerequisites": [],
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{
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"evidence": "/affected/14/ranges"
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"affected_versions": []
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],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1780993103",
"aliases": [
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"affected": [
{
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],
"package": {
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"purl": "pkg:deb/tuxcare/libecpg-compat3-9.6?distro=debian-10",
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"database_specific": {
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"database_specific": {
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"package": {
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"ecosystem": "TuxCare:Debian:10"
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"package": {
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"package": {
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],
"package": {
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"ecosystem": "TuxCare:Debian:10"
},
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{
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],
"package": {
"name": "postgresql-pltcl-9.6",
"purl": "pkg:deb/tuxcare/postgresql-pltcl-9.6?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1780993103.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "postgresql-server-dev-9.6",
"purl": "pkg:deb/tuxcare/postgresql-server-dev-9.6?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1780993103.json"
}
}
],
"modified": "2026-10-26T09:31:52.128240187Z",
"provider": "osv",
"upstream": [
"CVE-2026-6474",
"CVE-2026-6478",
"CVE-2026-6637"
],
"references": [
"https://errata.tuxcare.com/els_os/debian10els/CLSA-2026-1780993103.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-6474",
"https://nvd.nist.gov/vuln/detail/CVE-2026-6478",
"https://nvd.nist.gov/vuln/detail/CVE-2026-6637"
]
},
"related_cves": [
{
"value": "CVE-2026-6474",
"evidence": "/upstream"
},
{
"value": "CVE-2026-6478",
"evidence": "/upstream"
},
{
"value": "CVE-2026-6637",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448756,
"published_at": "2026-06-09T08:18:43+00:00"
}