Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, app_sms.c copies externally controlled SMS lengths into fixed in-struct buffers without sufficient bounds...
Product
debian/asterisk vulnerabilities
288 published CVES affecting debian/asterisk, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 288
- Critical
- 20
- High
- 96
- Medium
- 114
- Low
- 10
- Unscored
- 48
- CISA KEV
- 0
Latest debian/asterisk CVEs
Newest publication first · page 1 of 12
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LowCVSS 2.3 EPSS 0.48%
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MediumCVSS 6.9 EPSS 0.15%
Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, ast_loggrabber executes a Python script from the world-writable /tmp directory. An attacker already author...
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CVE-2026-57190 Asterisk: SQL Injection in cel_pgsql and cel_tds via CELGenUserEvent eventtype Field
PublishedHighCVSS 7.0 EPSS 0.68%Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, the PostgreSQL and TDS/MSSQL Channel Event Log backends cel_pgsql and cel_tds may permit arbitrary SQL exe...
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HighCVSS 8.2 EPSS 0.59%
Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, an unbounded sscanf in res_pjsip_pubsub when parsing the MWI NOTIFY Message-Account field may allow an una...
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MediumCVSS 6.0 EPSS 0.65%
Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, an authenticated attacker may cause a heap buffer overflow through an out-of-bounds write in the Codec2 de...
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HighCVSS 7.5 EPSS 0.60%
Asterisk is an open source private branch exchange and telephony toolkit. From 21.0.0-pre1 until Asterisk 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 22.8-cert3, the chan_ooh323 Q.931 party-number parser lacks the CVE-2022-37325 fix because that fix was never forward-ported f...
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HighCVSS 7.5 EPSS 0.88%
Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 22.8-cert3, an authenticated attacker with read-only permissions for the Asterisk REST Interface (ARI) may, under certain condition...
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HighCVSS 7.5 EPSS 0.57%
Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, a NULL pointer dereference in the Asterisk Manager Interface (AMI) may allow an unauthenticated attacker t...
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CVE-2026-57202 Asterisk: ARI setChannelVar bypasses live_dangerously and permits FILE() writes
PublishedHighCVSS 8.1 EPSS 0.44%Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, an authenticated Asterisk REST Interface (ARI) attacker with read-only privileges may use setChannelVar to...
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HighCVSS 7.1 EPSS 0.52%
Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, an authenticated attacker may cause a stack buffer overflow in res_xmpp XMPP namespace prefix handling usi...
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LowCVSS 2.3 EPSS 0.74%
Asterisk is an open source private branch exchange and telephony toolkit. In affected deployments, an authenticated attacker may cause a T.140 RED out-of-bounds write during generation accumulation using carefully crafted packets, potentially allowing remote code execution or cau...
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HighCVSS 7.5 EPSS 0.70%
Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, a stack buffer overflow in the H.323 ooTrace() trace-logging function can occur when unbounded vsprintf wr...
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MediumCVSS 5.9 EPSS 0.44%
Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, an out-of-bounds write in chan_unistim DIALPAGE digit handling can overflow the phone_number field and cra...
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LowCVSS 2.3 EPSS 0.83%
Asterisk is an open source private branch exchange and telephony toolkit. In affected deployments, an authenticated attacker may cause a T.140 RED heap buffer overflow using carefully crafted packets, potentially allowing remote code execution or causing Asterisk to crash. The ch...
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MediumCVSS 6.5 EPSS 0.48%
Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, an authenticated attacker may crash Asterisk through a buffer over-read in the PJSIP MWI body parser by se...
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CVE-2026-57197 Asterisk: Heap Buffer Overflow in OGG/Speex File Playback (format_ogg_speex)
PublishedHighCVSS 7.7 EPSS 0.53%Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, an unbounded memcpy of OGG/Speex packet data in format_ogg_speex can cause a heap buffer overflow and cras...
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CVE-2026-57184 Asterisk: Out-of-Bounds Read in Q.931 Information Element Parser (H.323 Addon)
PublishedMediumCVSS 6.3 EPSS 0.56%Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, insufficient bounds checking in the chan_ooh323 Q.931 information-element parser permits an out-of-bounds...
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MediumCVSS 6.9 EPSS 2.0%
Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, the LDAP realtime driver res_config_ldap may permit LDAP filter injection through a SIP username, allowing...
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HighCVSS 7.1 EPSS 0.48%
Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, an authenticated attacker may cause a heap-use-after-free in PJSIP TCP/SDP handling by sending a SIP INVIT...
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LowCVSS 2.3 EPSS 0.77%
Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, an unauthenticated attacker may use reflected cross-site scripting in phone provisioning HTTP error pages...
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HighCVSS 7.4 EPSS 0.23%
PJSIP is a free and open source multimedia communication library written in C. In 2.17 and earlier, the OpenSSL and GnuTLS backends in pjlib/src/pj/ssl_sock_ossl.c and pjlib/src/pj/ssl_sock_gtls.c copy DNS SubjectAltName values with string functions that recalculate their length...
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MediumCVSS 6.9 EPSS 0.18%
PJSIP is a free and open source multimedia communication library written in C. In 2.17 and earlier, the PJSIP AVI parser in pjmedia/src/pjmedia/avi_player.c uses an input-file video chunk length as the number of bytes copied into a frame buffer whose capacity is derived from the...
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MediumCVSS 6.3 EPSS 0.53%
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. Several command-line handling paths write an attacker...
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MediumCVSS 6.3 EPSS 0.45%
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall (handle_up_down() in cli_telnet.c). This affects onl...
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HighCVSS 8.3 EPSS 0.45%
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 8d5956a, a heap buffer overflow exists in the PJLIB-UTIL HTTP client (http_client.c) when buffering an HTTP response body. This affects applications that use the PJLIB-UTIL HTTP client...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.