PJSIP is a free and open source multimedia communication library written in C. Prior to commit acc03b5, a stack buffer overflow exists in PJSUA when processing Service-Route headers in a registration response (update_service_route() in pjsua_acc.c). This affects applications that register using the PJSUA/PJSUA2 account API (the default registration path). The Service-Route URIs from a 2xx response to REGISTER are stored into a fixed-size array without bounding the number of headers; a registrar that returns an excessive number of Service-Route headers can write past the end of the array on the stack. The values written are internal pointers rather than arbitrary data, so the most likely impact is unexpected application termination (denial of service), though memory corruption cannot be excluded. The malicious response may come from a compromised or malicious registrar, or — over unprotected transports — a spoofed response. This issue has been patched via commit acc03b5.
CVE-2026-57161
“—” beside the score: it is equal to NVD's CVSS score.
This high-severity CVE scores 8.2 under NVD CVSS v3. EPSS exploit probability: 0.5% (39th percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.
Also known asEUVD-2026-71655 (ENISA EUVD)Source: ENISA EUVD
- High severity, but no confirmed exploitation yet
A fix is referenced (a reference tagged "Patch", often a source commit), but no release containing it is confirmed — find the release that contains it; until it is applied, mitigate (WAF / firewall / segmentation).
- CVSS v3
- 8.2
- EG Score
- 8.2HIGHmedium confidence
- EG Risk
- 52EG Risk 52/100
EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.
How it’s computed (value × EchelonGraph’s weight)Severity82% × 45%Impact severity (EG Severity): CVSS 8.2 of 10. Never the KEV-floored or EPSS-lifted EG Score.Exploitation0.5% × 40%FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.Automatability100% × 15%CISA's SSVC Automatable value: yes (Vulnrichment).SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Attend at high (mission-essential systems).Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.Action: A fix is referenced, but no release containing it is confirmed. Check the referenced fix and the vendor's advisory for a release that contains it; until one is applied, restrict network exposure of the affected system or apply the vendor's mitigation on your normal schedule at low or medium mission impact and sooner than that at high. - EPSS PROB
- 0.5%
- EPSS %ILE
- 39th
- KEV
- Not listed
What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)
The EG score (8.2): severity, escalated by confirmed exploitation. This CVE's 8.2 is its impact severity (EG Severity), not escalated.
- EG Severity
- 8.2 HIGHCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.NVD CVSS v3 · CVSS v3.0 or v3.1
- EG Likelihood
- 0.5% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-29). FIRST's exploitation probability, not an EchelonGraph model.
- Confirmed exploitation
- None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
- EG Priority
- SSVC Track at medium mission impactTrack at low or medium mission impact; Attend at high (mission-essential systems).CISA BOD 26-04: 14 days if the affected system is publicly exposed; 60 days if it is not.No released fix is confirmed on this page, but CISA's timeline does not wait for a fix's release: it starts when an agency identifies the flaw on an asset and updates the CDM Agency and Federal Dashboard, and the directive counts patching, decommissioning the system or another action as remediation. Until a fixed release is applied, mitigate as this page's verdict says.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.
SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Attend at high (mission-essential systems).
A fix is referenced, but no release containing it is confirmed. Check the referenced fix and the vendor's advisory for a release that contains it; until one is applied, restrict network exposure of the affected system or apply the vendor's mitigation on your normal schedule at low or medium mission impact and sooner than that at high.
Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table
BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; 60 days if it is not.
No released fix is confirmed on this page, but CISA's timeline does not wait for a fix's release: it starts when an agency identifies the flaw on an asset and updates the CDM Agency and Federal Dashboard, and the directive counts patching, decommissioning the system or another action as remediation. Until a fixed release is applied, mitigate as this page's verdict says.
The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it
Published
September 4, 2026
Last Modified
September 11, 2026
Advisory Details (2)
Auto-updated Sep 4, 2026commit acc03b57cef7 (pjsip/pjproject)
Fix landed in pjsip/pjproject commit acc03b57cef7 — awaiting tagged release
https://github.com/pjsip/pjproject/commit/acc03b57cef7a7d31b8e1f5b9117437d7e87c591Stack overflow handling Service-Route headers in a registration response · Advisory · pjsip/pjproject · GitHub
https://github.com/pjsip/pjproject/security/advisories/GHSA-xc62-j9h2-mp84Affected Packages
(1 across 1 ecosystem)
Debian:14(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| asterisk | 0.1.11-3 ... 1:22.9.0+dfsg+~cs6.16.60671434-1 (296 versions) |
| — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 43× in last 30d)
Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.
Showing the most recent 100 of 102 refreshes on record for this CVE.
A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. None are among the latest 100 rows. The 2 oldest rows on record are not shown and were not checked, so the counts can still include repeats.
- 2026-11-04 16:36 UTCEPSS rescoreEPSS 0.5% · 39th percentile
- 2026-11-03 16:48 UTCEPSS rescoreEPSS 0.5% · 39th percentile
- 2026-11-02 16:45 UTCEPSS rescoreEPSS 0.5% · 39th percentile
- 2026-11-01 16:34 UTCEPSS rescoreEPSS 0.5% · 39th percentile
- 2026-10-31 16:33 UTCEPSS rescoreEPSS 0.5% · 39th percentile
- 2026-10-30 16:34 UTCEPSS rescoreEPSS 0.5% · 39th percentile
- 2026-10-30 03:41 UTCEG score recompute
- 2026-10-29 16:33 UTCEPSS rescoreEPSS 0.5% · 39th percentile
- 2026-10-28 16:32 UTCEPSS rescoreEPSS 0.5% · 39th percentile
- 2026-10-27 16:32 UTCEPSS rescoreEPSS 0.5% · 39th percentile
- 2026-10-26 16:31 UTCEPSS rescoreEPSS 0.5% · 39th percentile
- 2026-10-25 16:33 UTCEPSS rescoreEPSS 0.5% · 39th percentile
- 2026-10-25 14:17 UTCEG score recompute
- 2026-10-24 16:33 UTCEPSS rescoreEPSS 0.5% · 38th percentile
- 2026-10-23 16:32 UTCEPSS rescoreEPSS 0.5% · 38th percentile
- 2026-10-23 09:31 UTCEG score recompute
- 2026-10-22 16:34 UTCEPSS rescoreEPSS 0.5% · 38th percentile
- 2026-10-21 16:33 UTCEPSS rescoreEPSS 0.5% · 38th percentile
- 2026-10-20 16:33 UTCEPSS rescoreEPSS 0.5% · 38th percentile
- 2026-10-19 16:32 UTCEPSS rescoreEPSS 0.5% · 38th percentile
- 2026-10-18 16:32 UTCEPSS rescoreEPSS 0.5% · 38th percentile
- 2026-10-18 03:29 UTCEG score recompute
- 2026-10-17 16:34 UTCEPSS rescoreEPSS 0.5% · 38th percentile
- 2026-10-16 16:42 UTCEPSS rescoreEPSS 0.5% · 38th percentile
- 2026-10-16 15:19 UTCEG score recompute
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- 2026-10-15 16:32 UTCEPSS rescoreEPSS 0.5% · 38th percentile
- 2026-10-14 16:33 UTCEPSS rescoreEPSS 0.5% · 38th percentile
- 2026-10-13 16:34 UTCEPSS rescoreEPSS 0.5% · 38th percentile
- 2026-10-12 16:34 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-10-12 15:54 UTCEG score recompute
- 2026-10-11 19:37 UTCEG score recompute
- 2026-10-11 16:52 UTCEG score recompute
- 2026-10-11 14:15 UTCEG score recompute
- 2026-10-11 13:49 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-10-09 23:05 UTCEG score recompute
- 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-10-09 01:09 UTCEG score recompute
- 2026-10-08 17:13 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-10-07 01:03 UTCEG score recompute
- 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-10-06 01:37 UTCEG score recompute
- 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-10-05 02:18 UTCEG score recompute
- 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-10-03 14:54 UTCEG score recompute
- 2026-10-03 14:26 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-10-03 03:07 UTCEG score recompute
- 2026-10-02 17:56 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-10-02 03:37 UTCEG score recompute
- 2026-10-01 19:50 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-09-30 15:26 UTCEG score recompute
- 2026-09-30 15:03 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-09-30 02:40 UTCEG score recompute
- 2026-09-29 15:22 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-09-29 01:22 UTCEG score recompute
- 2026-09-28 13:51 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-09-27 14:33 UTCEG score recompute
- 2026-09-27 13:48 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-09-27 02:57 UTCEG score recompute
- 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-09-26 02:09 UTCEG score recompute
- 2026-09-24 18:59 UTCEG score recompute
- 2026-09-24 14:04 UTCEPSS rescoreEPSS 0.5% · 37th percentile
- 2026-09-23 19:45 UTCEG score recompute
- 2026-09-23 17:54 UTCEPSS rescoreEPSS 0.3% · 19th percentile
- 2026-09-22 20:08 UTCEG score recompute
- 2026-09-22 08:32 UTCEG score recompute
- 2026-09-20 21:41 UTCEG score recompute
- 2026-09-20 20:16 UTCEPSS rescoreEPSS 0.3% · 19th percentile
- 2026-09-19 22:29 UTCEG score recompute
- 2026-09-18 23:14 UTCEG score recompute
- 2026-09-18 19:28 UTCEPSS rescoreEPSS 0.3% · 19th percentile
- 2026-09-17 23:56 UTCEG score recompute
- 2026-09-17 19:31 UTCEPSS rescoreEPSS 0.3% · 19th percentile
- 2026-09-16 23:30 UTCEG score recompute
- 2026-09-16 14:08 UTCEPSS rescoreEPSS 0.3% · 19th percentile
- 2026-09-16 11:53 UTCEG score recompute
- 2026-09-16 05:15 UTCEPSS rescoreEPSS 0.3% · 18th percentile
- 2026-09-15 12:40 UTCEG score recompute
- 2026-09-15 03:11 UTCEPSS rescoreEPSS 0.3% · 18th percentile
- 2026-09-14 01:48 UTCEG score recompute
- 2026-09-13 16:47 UTCEPSS rescoreEPSS 0.3% · 18th percentile
- 2026-09-13 02:36 UTCEG score recompute
- 2026-09-11 15:48 UTCEG score recompute▼ 0.60
- 2026-09-11 15:48 UTCNVD updateCVSS v3 → 8.2
- 2026-09-11 14:53 UTCEPSS rescoreEPSS 0.3% · 21st percentile
- 2026-09-10 17:42 UTCEG score recompute
- 2026-09-10 09:35 UTCEPSS rescoreEPSS 0.3% · 21st percentile
- 2026-09-09 18:29 UTCEG score recompute
- 2026-09-09 17:55 UTCEG score recompute
- 2026-09-09 09:30 UTCEG score recompute
- 2026-09-08 22:01 UTCEPSS rescoreEPSS 0.3% · 21st percentile
- 2026-09-07 16:13 UTCEG score recompute
- 2026-09-07 16:01 UTCEPSS rescoreEPSS 0.3% · 21st percentile
- 2026-09-06 17:01 UTCEG score recompute
- 2026-09-06 13:47 UTCEPSS rescoreEPSS 0.3% · 21st percentile
- 2026-09-05 17:48 UTCEG score recompute
- 2026-09-04 18:35 UTCEG score recompute
Related CVEs(same product + same CWE)
Same product
10 shownDebian:14:asterisk
Frequently asked(5)
What is CVE-2026-57161?
When was the CVE record for CVE-2026-57161 published?
Is CVE-2026-57161 actively exploited?
What is the CVSS score of CVE-2026-57161?
How do I remediate CVE-2026-57161?
Dependency Blast Radius
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