CVE-2023-27585Classic Buffer Overflow in Pjsip

Severity
7.5HIGHNVD
OSV9.8
EPSS
0.5%
top 34.21%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMar 14
Latest updateOct 5

Description

PJSIP is a free and open source multimedia communication library written in C. A buffer overflow vulnerability in versions 2.13 and prior affects applications that use PJSIP DNS resolver. It doesn't affect PJSIP users who do not utilise PJSIP DNS resolver. This vulnerability is related to CVE-2022-24793. The difference is that this issue is in parsing the query record `parse_query()`, while the issue in CVE-2022-24793 is in `parse_rr()`. A patch is available as commit `d1c5e4d` in the `master` b

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages5 packages

NVDteluu/pjsip< 2.13
NVDpjsip/pjsip2.12
CVEListV5pjsip/pjproject2.13
debiandebian/ring< asterisk 1:16.28.0~dfsg-0+deb11u1 (bullseye)+1
debiandebian/asterisk< asterisk 1:16.28.0~dfsg-0+deb11u1 (bullseye)+1

Also affects: Debian Linux 10.0, 11.0, 9.0

Patches

🔴Vulnerability Details

4
OSV
ring vulnerabilities2023-10-24
OSV
ring vulnerabilities2023-10-09
OSV
CVE-2023-27585: PJSIP is a free and open source multimedia communication library written in C2023-03-14
OSV
CVE-2022-24793: PJSIP is a free and open source multimedia communication library written in C2022-04-06

📋Vendor Advisories

4
Ubuntu
Ring vulnerabilities2023-10-24
Ubuntu
Ring vulnerabilities2023-10-09
Debian
CVE-2023-27585: asterisk - PJSIP is a free and open source multimedia communication library written in C. A...2023
Debian
CVE-2022-24793: asterisk - PJSIP is a free and open source multimedia communication library written in C. A...2022

📄Research Papers

2
arXiv
Real-VulLLM: An LLM Based Assessment Framework in the Wild2025-10-05
arXiv
Top of the Heap: Efficient Memory Error Protection of Safe Heap Objects2024-08-19
CVE-2023-27585 — Classic Buffer Overflow in Teluu Pjsip | cvebase