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CVE-2026-108822

Kamailio sipt ss7_parser.c isup_get_calling_party buffer overflow

6.9 MediumFix available

A vulnerability was detected in Kamailio up to 6.0.7/6.1.3. The affected element is the function isup_get_calling_party of the file src/modules/sipt/ss7_parser.c of the component sipt Module. The manipulation of the argument length results in buffer overflow. The attack may be performed from remote. Upgrading to version 6.0.8 and 6.1.4 is sufficient to fix this issue. The patch is identified as 3667bebf8d0bea07ed16218fd921d07db87aeb21. Upgrading the affected component is advised.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
Low

Exploit likelihood

0.47%Down 0.3 points since Oct 12, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.9

Kamailio sipt ss7_parser.c isup_get_calling_party buffer overflow

A vulnerability was detected in Kamailio up to 6.0.7/6.1.3. The affected element is the function isup_get_calling_party of the file src/modules/sipt/ss7_parser.c of the component sipt Module. The manipulation of the argument length results in buffer overflow. The attack may be performed from remote. Upgrading to version 6.0.8 and 6.1.4 is sufficient to fix this issue. The patch is identified as 3667bebf8d0bea07ed16218fd921d07db87aeb21. Upgrading the affected component is advised.

Record
CVE-2026-108822
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
CVSS 2.0
5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:OF/RC:C
Weakness
CWE-120, CWE-119
Updated
2026-11-02
EUVDEUVD-2026-97321 6.9

A vulnerability was detected in Kamailio up to 6.0.7/6.1.3. The affected element is the function isup_get_calling_party of the file src/modules/sipt/ss7_parser.c of the component sipt Module. The manipulation of the argument length results in buffer overflow. The attack may be performed from remote. Upgrading to version 6.0.8 and 6.1.4 is sufficient to fix this issue. The patch is identified as 3667bebf8d0bea07ed16218fd921d07db87aeb21. Upgrading the affected component is advised.

Record
EUVD-2026-97321
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
Updated
2026-11-02
GitHub AdvisoriesGHSA-8639-687x-5rvv 6.9

A vulnerability was detected in Kamailio up to 6.0.7/6.1.3. The affected element is the function...

A vulnerability was detected in Kamailio up to 6.0.7/6.1.3. The affected element is the function isup_get_calling_party of the file src/modules/sipt/ss7_parser.c of the component sipt Module. The manipulation of the argument length results in buffer overflow. The attack may be performed from remote. Upgrading to version 6.0.8 and 6.1.4 is sufficient to fix this issue. The patch is identified as 3667bebf8d0bea07ed16218fd921d07db87aeb21. Upgrading the affected component is advised.

Record
GHSA-8639-687x-5rvv
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/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
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-119
Updated
2026-11-02
NVD 6.9

A vulnerability was detected in Kamailio up to 6.0.7/6.1.3. The affected element is the function isup_get_calling_party of the file src/modules/sipt/ss7_parser.c of the component sipt Module. The manipulation of the argument length results in buffer overflow. The attack may be performed from remote. Upgrading to version 6.0.8 and 6.1.4 is sufficient to fix this issue. The patch is identified as 3667bebf8d0bea07ed16218fd921d07db87aeb21. Upgrading the affected component is advised.

Record
CVE-2026-108822
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/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
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-119, CWE-120
Updated
2026-11-02
OSV 6.9

Kamailio sipt ss7_parser.c isup_get_calling_party buffer overflow

A vulnerability was detected in Kamailio up to 6.0.7/6.1.3. The affected element is the function isup_get_calling_party of the file src/modules/sipt/ss7_parser.c of the component sipt Module. The manipulation of the argument length results in buffer overflow. The attack may be performed from remote. Upgrading to version 6.0.8 and 6.1.4 is sufficient to fix this issue. The patch is identified as 3667bebf8d0bea07ed16218fd921d07db87aeb21. Upgrading the affected component is advised.

Record
CVE-2026-108822
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
Weakness
CWE-119, CWE-120
Updated
2026-11-02
OSVDEBIAN-CVE-2026-108822 6.9

A vulnerability was detected in Kamailio up to 6.0.7/6.1.3. The affected element is the function isup_get_calling_party of the file src/modules/sipt/ss7_parser.c of the component sipt Module. The manipulation of the argument length results in buffer overflow. The attack may be performed from remote. Upgrading to version 6.0.8 and 6.1.4 is sufficient to fix this issue. The patch is identified as 3667bebf8d0bea07ed16218fd921d07db87aeb21. Upgrading the affected component is advised.

Record
DEBIAN-CVE-2026-108822
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/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
Updated
2026-11-04
OSVUBUNTU-CVE-2026-108822 6.9

A vulnerability was detected in Kamailio up to 6.0.7/6.1.3. The affected element is the function isup_get_calling_party of the file src/modules/sipt/ss7_parser.c of the component sipt Module. The manipulation of the argument length results in buffer overflow. The attack may be performed from remote. Upgrading to version 6.0.8 and 6.1.4 is sufficient to fix this issue. The patch is identified as 3667bebf8d0bea07ed16218fd921d07db87aeb21. Upgrading the affected component is advised.

Record
UBUNTU-CVE-2026-108822
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
kamailio
Debian:12
 All versions, plus listed versions
5.6.3-25.6.4-15.7.0-15.7.2-15.7.3-1
Show 24 moreShow less
5.7.4-15.8.2-25.8.2-35.8.2-45.8.3-15.8.4-15.8.5-16.0.0-16.0.1-16.0.2-16.0.2-26.0.2-36.0.3-16.0.3-26.0.3-36.0.4-16.0.5-16.1.1-26.1.1-2.16.1.2-16.1.3-16.1.3-26.1.4-16.1.5-1
 None known
kamailio
Debian:13
 All versions, plus listed versions
6.0.1-16.0.1-1+deb13u16.0.1-1+deb13u26.0.2-16.0.2-2
Show 13 moreShow less
6.0.2-36.0.3-16.0.3-26.0.3-36.0.4-16.0.5-16.1.1-26.1.1-2.16.1.2-16.1.3-16.1.3-26.1.4-16.1.5-1
 None known
kamailio
Debian:14
 before 6.1.5-1, plus listed versions
6.0.1-16.0.2-16.0.2-26.0.2-36.0.3-1
Show 10 moreShow less
6.0.3-26.0.3-36.0.4-16.0.5-16.1.1-26.1.1-2.16.1.2-16.1.3-16.1.3-26.1.4-1
6.1.5-1
kamailio
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
4.3.1-2ubuntu14.3.4-1.1ubuntu14.3.4-1.1ubuntu24.3.4-1.1ubuntu2.14.3.4-1.1ubuntu2.1+esm14.3.4-1.1ubuntu2.1+esm2
 None known
kamailio
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
4.4.2-3ubuntu55.0.4-1ubuntu15.1.1-1ubuntu15.1.1-1ubuntu45.1.2-1ubuntu15.1.2-1ubuntu25.1.2-1ubuntu2+esm15.1.2-1ubuntu2+esm2
 None known
kamailio
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
5.2.3-1build35.2.3-1build45.3.0-25.3.1-15.3.2-1build1
Show 4 moreShow less
5.3.2-1build25.3.2-1build35.3.2-1ubuntu0.1~esm15.3.2-1ubuntu0.1~esm2
 None known
kamailio
Ubuntu:22.04:LTS
 All versions, plus listed versions
5.4.4-1build15.4.4-1ubuntu15.4.4-1ubuntu25.5.4-1
 None known
kamailio
Ubuntu:24.04:LTS
 All versions, plus listed versions
5.7.0-1build15.7.2-1build15.7.3-15.7.4-15.7.4-1build15.7.4-1build55.7.4-1build7
 None known
kamailio
Ubuntu:26.10
 All versions, plus listed versions
6.0.5-1ubuntu16.1.2-1ubuntu26.1.2-1ubuntu36.1.2-1ubuntu4
 None known
kamailio
Ubuntu:26.04:LTS
 All versions, plus listed versions
6.0.2-26.0.5-16.0.5-1build16.0.5-1ubuntu1
 None known

History

History
RecordedChangedSources
affected, factsOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-108822 is a medium vulnerability (CVSS 6.9) in Kamailio, published October 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 41st percentile. Fixed in kamailio 6.1.5-1.

References

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