High
asterisk, pjproject — security advisory
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 673b978, a remote out-of-bounds read and write can occur in the SDP negotiator when the remote payload-type map maintenance feature is enabled. assign_pt_and_update_map() in pjmedia/src/pjmedia/sdp_neg.c uses payload-type numbers taken from a remote SDP offer or answer to index fixed-size internal tables without sufficient bounds validation, so a crafted remote SDP can cause memory access outside those tables. The practical impact is memory corruption and denial of service; code execution is not demonstrated. This path is only reached when PJMEDIA_SDP_NEG_MAINTAIN_REMOTE_PT_MAP is enabled. The default is disabled, so default builds are not affected; the feature is an interoperability option that integrating products may enable. This issue has been patched via commit 673b978.
- Products
- asterisk, pjproject
- Affected versions
- 1:13.1.0~dfsg-1.1ubuntu3, 1:13.1.0~dfsg-1.1ubuntu4, 1:13.1.0~dfsg-1.1ubuntu4.1, 1:13.1.0~dfsg-1.1ubuntu4.1+esm1, 1:13.17.2~dfsg-1ubuntu1, 1:13.17.2~dfsg-2ubuntu1, 1:13.18.1~dfsg-1ubuntu1, 1:13.18.3~dfsg-1ubuntu1, 1:13.18.3~dfsg-1ubuntu2, 1:13.18.3~dfsg-1ubuntu3, 1:13.18.3~dfsg-1ubuntu4, 1:16.16.1~dfsg+~2.10-1, 1:16.16.1~dfsg-2, 1:16.16.1~dfsg-4, 1:16.16.1~dfsg-4build1, 1:16.2.1~dfsg-2build2, 1:16.2.1~dfsg-2build3, 1:16.2.1~dfsg-2ubuntu1, 1:18.10.0~dfsg+~cs6.10.40431411-2, 1:20.4.0~dfsg+~cs6.13.40431414-2, 1:20.5.0~dfsg+~cs6.13.40431414-1, 1:20.5.1~dfsg+~cs6.13.40431414-1, 1:20.5.2~dfsg+~cs6.13.40431414-1, 1:20.6.0~dfsg+~cs6.13.40431414-1, 1:20.6.0~dfsg+~cs6.13.40431414-2, 1:20.6.0~dfsg+~cs6.13.40431414-2build3, 1:20.6.0~dfsg+~cs6.13.40431414-2build4, 1:20.6.0~dfsg+~cs6.13.40431414-2build5, 1:22.10.0+dfsg+~cs6.17.60671434-1ubuntu2, 1:22.10.0+dfsg+~cs6.17.60671434-1ubuntu3, 1:22.5.2~dfsg+~cs6.15.60671435-1, 2.1.0.0.ast20130823-1, 2.1.0.0.ast20130823-1+deb8u1build0.16.04.1, 2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1, 2.6~dfsg-2, 2.7.1~dfsg-1, 2.7.1~dfsg-1build1, 2.7.2~dfsg-1, 2.7.2~dfsg-1ubuntu0.1~esm1, 2.7~dfsg-1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-57159
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 02:47 UTC · Revision 1
Source evidence
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 673b978, a remote out-of-bounds read and write can occur in the SDP negotiator when the remote payload-type map maintenance feature is enabled. assign_pt_and_update_map() in pjmedia/src/pjmedia/sdp_neg.c uses payload-type numbers taken from a remote SDP offer or answer to index fixed-size internal tables without sufficient bounds validation, so a crafted remote SDP can cause memory access outside those tables. The practical impact is memory corruption and denial of service; code execution is not demonstrated. This path is only reached when PJMEDIA_SDP_NEG_MAINTAIN_REMOTE_PT_MAP is enabled. The default is disabled, so default builds are not affected; the feature is an interoperability option that integrating products may enable. This issue has been patched via commit 673b978.
osv:UBUNTU-CVE-2026-57159
asterisk
Fixed versions: Not specified
pjproject
Fixed versions: Not specified
asterisk
Fixed versions: Not specified
pjproject
Fixed versions: Not specified
asterisk
Fixed versions: Not specified
asterisk
Fixed versions: Not specified
asterisk
Fixed versions: Not specified
asterisk
Fixed versions: Not specified
asterisk
Fixed versions: Not specified
Complete source record
{
"id": "275c0f6b95fa46950ec64f355cb193cd5771c0420258d37369cd37e827442ed4",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-57159",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-57159",
"summary": "PJSIP is a free and open source multimedia communication library written in C. Prior to commit 673b978, a remote out-of-bounds read and write can occur in the SDP negotiator when the remote payload-type map maintenance feature is enabled. assign_pt_and_update_map() in pjmedia/src/pjmedia/sdp_neg.c uses payload-type numbers taken from a remote SDP offer or answer to index fixed-size internal tables without sufficient bounds validation, so a crafted remote SDP can cause memory access outside those tables. The practical impact is memory corruption and denial of service; code execution is not demonstrated. This path is only reached when PJMEDIA_SDP_NEG_MAINTAIN_REMOTE_PT_MAP is enabled. The default is disabled, so default builds are not affected; the feature is an interoperability option that integrating products may enable. This issue has been patched via commit 673b978.",
"evidence": "osv:UBUNTU-CVE-2026-57159",
"products": [
{
"name": {
"value": "asterisk",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:13.1.0~dfsg-1.1ubuntu3",
"evidence": "/affected/0/versions"
},
{
"value": "1:13.1.0~dfsg-1.1ubuntu4",
"evidence": "/affected/0/versions"
},
{
"value": "1:13.1.0~dfsg-1.1ubuntu4.1",
"evidence": "/affected/0/versions"
},
{
"value": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
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},
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{
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"evidence": "/affected/1/versions"
},
{
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"evidence": "/affected/1/versions"
},
{
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}
]
},
{
"name": {
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"affected_versions": [
{
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"evidence": "/affected/2/versions"
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{
"value": "1:13.17.2~dfsg-2ubuntu1",
"evidence": "/affected/2/versions"
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{
"value": "1:13.18.1~dfsg-1ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "1:13.18.3~dfsg-1ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "1:13.18.3~dfsg-1ubuntu2",
"evidence": "/affected/2/versions"
},
{
"value": "1:13.18.3~dfsg-1ubuntu3",
"evidence": "/affected/2/versions"
},
{
"value": "1:13.18.3~dfsg-1ubuntu4",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
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},
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"affected_versions": [
{
"value": "2.6~dfsg-2",
"evidence": "/affected/3/versions"
},
{
"value": "2.7~dfsg-1",
"evidence": "/affected/3/versions"
},
{
"value": "2.7.1~dfsg-1",
"evidence": "/affected/3/versions"
},
{
"value": "2.7.1~dfsg-1build1",
"evidence": "/affected/3/versions"
},
{
"value": "2.7.2~dfsg-1",
"evidence": "/affected/3/versions"
},
{
"value": "2.7.2~dfsg-1ubuntu0.1~esm1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "asterisk",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:16.2.1~dfsg-2build2",
"evidence": "/affected/4/versions"
},
{
"value": "1:16.2.1~dfsg-2build3",
"evidence": "/affected/4/versions"
},
{
"value": "1:16.2.1~dfsg-2ubuntu1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "asterisk",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:16.16.1~dfsg-2",
"evidence": "/affected/5/versions"
},
{
"value": "1:16.16.1~dfsg-4",
"evidence": "/affected/5/versions"
},
{
"value": "1:16.16.1~dfsg-4build1",
"evidence": "/affected/5/versions"
},
{
"value": "1:16.16.1~dfsg+~2.10-1",
"evidence": "/affected/5/versions"
},
{
"value": "1:18.10.0~dfsg+~cs6.10.40431411-2",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "asterisk",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:20.4.0~dfsg+~cs6.13.40431414-2",
"evidence": "/affected/6/versions"
},
{
"value": "1:20.5.0~dfsg+~cs6.13.40431414-1",
"evidence": "/affected/6/versions"
},
{
"value": "1:20.5.1~dfsg+~cs6.13.40431414-1",
"evidence": "/affected/6/versions"
},
{
"value": "1:20.5.2~dfsg+~cs6.13.40431414-1",
"evidence": "/affected/6/versions"
},
{
"value": "1:20.6.0~dfsg+~cs6.13.40431414-1",
"evidence": "/affected/6/versions"
},
{
"value": "1:20.6.0~dfsg+~cs6.13.40431414-2",
"evidence": "/affected/6/versions"
},
{
"value": "1:20.6.0~dfsg+~cs6.13.40431414-2build3",
"evidence": "/affected/6/versions"
},
{
"value": "1:20.6.0~dfsg+~cs6.13.40431414-2build4",
"evidence": "/affected/6/versions"
},
{
"value": "1:20.6.0~dfsg+~cs6.13.40431414-2build5",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
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"evidence": "/affected/7/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "1:22.5.2~dfsg+~cs6.15.60671435-1",
"evidence": "/affected/7/versions"
},
{
"value": "1:22.10.0+dfsg+~cs6.17.60671434-1ubuntu2",
"evidence": "/affected/7/versions"
},
{
"value": "1:22.10.0+dfsg+~cs6.17.60671434-1ubuntu3",
"evidence": "/affected/7/versions"
}
]
},
{
"name": {
"value": "asterisk",
"evidence": "/affected/8/package/name"
},
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{
"value": "1:22.5.2~dfsg+~cs6.15.60671435-1",
"evidence": "/affected/8/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2026-57159",
"aliases": [
"UBUNTU-CVE-2026-57159"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
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{
"type": "ECOSYSTEM",
"events": [
{
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}
]
}
],
"package": {
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"purl": "pkg:deb/ubuntu/asterisk?arch=source&distro=esm-apps%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
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"1:13.1.0~dfsg-1.1ubuntu4",
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"1:13.1.0~dfsg-1.1ubuntu4.1+esm1"
],
"database_specific": {
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},
"ecosystem_specific": {
"binaries": [
{
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},
{
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},
{
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},
{
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"binary_version": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1"
},
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{
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},
{
"binary_name": "asterisk-voicemail",
"binary_version": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1"
},
{
"binary_name": "asterisk-voicemail-imapstorage",
"binary_version": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1"
},
{
"binary_name": "asterisk-voicemail-odbcstorage",
"binary_version": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1"
},
{
"binary_name": "asterisk-vpb",
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}
]
}
},
{
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}
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],
"package": {
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"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
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},
"ecosystem_specific": {
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},
{
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{
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{
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{
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{
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},
{
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},
{
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},
{
"binary_name": "libpjsua2",
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}
]
}
},
{
"ranges": [
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}
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}
],
"package": {
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"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
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"1:13.18.3~dfsg-1ubuntu2",
"1:13.18.3~dfsg-1ubuntu3",
"1:13.18.3~dfsg-1ubuntu4"
],
"database_specific": {
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},
"ecosystem_specific": {
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{
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},
{
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"binary_version": "1:13.18.3~dfsg-1ubuntu4"
},
{
"binary_name": "asterisk-dahdi",
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},
{
"binary_name": "asterisk-mobile",
"binary_version": "1:13.18.3~dfsg-1ubuntu4"
},
{
"binary_name": "asterisk-modules",
"binary_version": "1:13.18.3~dfsg-1ubuntu4"
},
{
"binary_name": "asterisk-mp3",
"binary_version": "1:13.18.3~dfsg-1ubuntu4"
},
{
"binary_name": "asterisk-mysql",
"binary_version": "1:13.18.3~dfsg-1ubuntu4"
},
{
"binary_name": "asterisk-ooh323",
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},
{
"binary_name": "asterisk-tests",
"binary_version": "1:13.18.3~dfsg-1ubuntu4"
},
{
"binary_name": "asterisk-voicemail",
"binary_version": "1:13.18.3~dfsg-1ubuntu4"
},
{
"binary_name": "asterisk-voicemail-imapstorage",
"binary_version": "1:13.18.3~dfsg-1ubuntu4"
},
{
"binary_name": "asterisk-voicemail-odbcstorage",
"binary_version": "1:13.18.3~dfsg-1ubuntu4"
},
{
"binary_name": "asterisk-vpb",
"binary_version": "1:13.18.3~dfsg-1ubuntu4"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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}
]
}
],
"package": {
"name": "pjproject",
"purl": "pkg:deb/ubuntu/pjproject?arch=source&distro=esm-apps%2Fbionic",
"ecosystem": "Ubuntu:Pro:18.04:LTS"
},
"versions": [
"2.6~dfsg-2",
"2.7~dfsg-1",
"2.7.1~dfsg-1",
"2.7.1~dfsg-1build1",
"2.7.2~dfsg-1",
"2.7.2~dfsg-1ubuntu0.1~esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-57159.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libpj2",
"binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "libpjlib-util2",
"binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "libpjmedia-audiodev2",
"binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "libpjmedia-codec2",
"binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "libpjmedia-videodev2",
"binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "libpjmedia2",
"binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "libpjnath2",
"binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "libpjsip-simple2",
"binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "libpjsip-ua2",
"binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "libpjsip2",
"binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "libpjsua2",
"binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "libpjsua2-2v5",
"binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "python-pjproject",
"binary_version": "2.7.2~dfsg-1ubuntu0.1~esm1"
}
]
}
},
{
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"modified": "2026-10-17T12:59:11.967698918Z",
"provider": "osv",
"upstream": [
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],
"references": [
"https://ubuntu.com/security/CVE-2026-57159",
"https://www.cve.org/CVERecord?id=CVE-2026-57159",
"https://github.com/pjsip/pjproject/security/advisories/GHSA-rfwg-w9gq-9mw2"
]
},
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{
"value": "CVE-2026-57159",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 359419,
"published_at": "2026-09-04T18:17:00+00:00"
}